Integrated Circuits

R5F107AEGSP#V0

R5F107AEGSP#V0 - 64KB Flash RL78/I1A 16-bit MCU 30-LSSOP | Renesas

The Renesas Electronics R5F107AEGSP#V0 is a 16-bit RL78/I1A microcontroller with 64 KB flash, 4 KB SRAM, and high-resolution PWM output for fine LED dimming and toning, packaged in a 30-pin LSSOP. It operates from 2.7 V to 5.5 V at up to 32 MHz CPU clock and integrates rich analog peripherals for inverter, digital power, and lighting control. The device targets voice-activated DALI lighting, motor control, and high-density PWM LED driver designs. An RL78 microcontroller is a low-power 16-bit MCU family based on the legacy NEC 78K architecture, designed for ultra-low standby current, fast wake-up, and high code density. RL78/I1A is a sub-series specifically optimized for high-resolution PWM generation via a 64 MHz timer and dithering function that achieves a minimum 0.98 ns PWM step. The family sits inside the broader 16-bit MCU category of microcontrollers -> embedded controllers -> semiconductors, balancing 8-bit simplicity with 32-bit performance. Key features of the R5F107AEGSP#V0 include 64 KB flash + 4 KB SRAM, 30 LSSOP pin count, RL78 CPU core, integrated 16-bit timers with 64 MHz PWM operation, multiple USART/I2C/SPI interfaces, 10-bit A/D converter, and ultra-low standby power. The high-resolution PWM supports fine dimming and toning demanded by professional LED lighting, while the True Low Power Platform minimizes quiescent current for always-on applications. The device uses Renesas' proven RL78 Harvard architecture with on-chip oscillator, voltage detection, and self-programming flash. The 64 MHz timer peripheral enables both standard and complementary PWM outputs with dead-time insertion, ideal for half-bridge LED drivers and digital power stages. The integrated analog chain (op-amps, comparators, ADC) reduces BOM for current-sense-based LED drivers. Typical applications include voice-activated DALI lighting, LED lighting controllers, digital power supplies, inverter control for HVAC compressors, and small motor control. Renesas lists the R5F107AEGSP#V0 in winning-combination reference designs for DALI lighting systems, validating the part for production deployments. When designing, pair the MCU with a Renesas E1 or E2 Lite emulator for code development. Use the Renesas CS+ or e2 studio IDE with the RL78 toolchain to leverage the Smart Configurator peripheral code generator. Plan PCB layout so the analog and digital ground planes meet at a single point under the MCU to reduce PWM noise coupling into the ADC. This page synthesizes distributor pricing, drop-in alternatives from the same RL78/I1A family, and design notes for LED lighting applications not found in the manufacturer datasheet alone.

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R5F10DPGJFB

R5F10DPGJFB - RL78/D1A 16-bit MCU, 128KB Flash, 100-pin LFQFP | Renesas

The Renesas R5F10DPGJFB is a 16-bit RL78/D1A microcontroller designed specifically for automotive low-end instrument clusters, integrating 128KB of flash memory and 8KB of RAM in a 100-pin LFQFP package. It features a built-in sound generator capable of setting volume level and tone frequency from 100 Hz to 6 kHz, an automatic volume decrement function, and up to four channels of stepper motor controller/driver with 8-bit precision, eliminating the need for external driver ICs in gauge applications. Operating from 3.3V to 5V supplies across the automotive temperature range, the device integrates RL78 CPU core peripherals tailored for automotive body electronics. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The RL78 is Renesas's 16-bit CISC core family engineered for ultra-low-power embedded applications, positioned below the RX family in the Renesas 16/32-bit MCU hierarchy. Automotive-grade RL78 derivatives extend the platform into AEC-Q100-qualified instrument cluster, body control, and HVAC segments where low quiescent current and integrated analog front-ends reduce external BOM. Key features of the R5F10DPGJFB include an integrated sound generator (100 Hz to 6 kHz tone range), automatic volume decrement for turn-signal click feedback, four stepper motor controller/driver channels for analog gauge pointers, an LCD controller/driver supporting automotive cluster displays, and automotive-qualified temperature range operation. The 100-pin LFQFP package exposes generous GPIO and analog channels for sensor interfacing typical of instrument clusters. The RL78/D1A architecture combines a CISC 16-bit core with on-chip debug, low-voltage detection, watchdog timer, and multiple serial interfaces (CSI/UART/I2C). The integrated sound generator uses PWM-driven tone synthesis, and the stepper motor drivers include 8-bit microstepping resolution for smooth pointer movement. Together these blocks reduce the discrete component count of a typical cluster board significantly. Typical applications include automotive low-end instrument clusters (speedometer, tachometer, fuel and temperature gauges), HVAC control panels with LCD readouts, automotive body controllers requiring stepper-driven actuators, and turn-signal click generators that reuse the on-chip tone block. The device is particularly suited to entry-level clusters where cost-effective integration replaces multiple external ICs. Designers should plan PCB layout for thermal relief on the LFQFP exposed pad and follow Renesas application notes for stepper motor current tuning. Note that the R5F10DPGJFB has been replaced by Renesas with the R5F10DPGCJFB#56; new designs should evaluate this successor unless pin/feature compatibility with legacy firmware is mandatory. This page synthesizes distributor pricing, automotive-grade same-brand alternatives, and design considerations for instrument-cluster architects not aggregated on the Renesas product page.

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R5F10DPGJFB#H2

R5F10DPGJFB#H2 - 16-bit RL78/D1A Auto MCU | Renesas | LFQFP-100

The Renesas R5F10DPGJFB#H2 is a 16-bit RL78/D1A microcontroller engineered for automotive low-end instrument clusters, integrating a sound generator, stepper motor controllers, and LCD drive capability in a single LFQFP-100 package. Key parameters include a 32 MHz maximum CPU clock, on-chip Flash program memory, integrated 100 Hz to 6 kHz tone-frequency sound generator with automatic volume decrement, and up to four channels of 8-bit precision stepper motor controller/driver blocks. The part is qualified for AEC-Q100 automotive applications and supports automotive temperature grades. What is a 16-bit automotive MCU? A microcontroller unit (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripherals. A 16-bit MCU uses a 16-bit data path and instructions, balancing code density with arithmetic performance. In the automotive instrument cluster hierarchy, an MCU belongs to the broader category of embedded controllers, sitting below 32-bit application processors but above 8-bit devices in both performance and integration. The RL78 family uses a 3-stage pipeline CISC core optimised for low active current and ultra-low standby power, making it well suited to always-on automotive subsystems. Differentiating features of the R5F10DPGJFB#H2 include the integrated sound generator capable of tones from 100 Hz to 6 kHz with hardware-driven volume control and automatic decrement, the dedicated stepper motor controller/driver channels for pointer movement, and built-in LCD segment drive capability for direct glass connection. These peripherals remove external DSP, audio DAC, and driver ICs, allowing a complete cluster implementation with a single MCU. The device uses the Renesas RL78 core based on the 78K0R architecture and is built on a low-power CMOS process. The integrated LCD driver supports up to a defined segment/common configuration per the RL78/D1A datasheet, and the on-chip stepper motor controllers each drive a two-phase stepper with programmable rate and current. Internal oscillator accuracy is sufficient for many automotive tasks without an external crystal. Typical applications include automotive instrument clusters (speedometer, tachometer, fuel, temperature), tell-tale indicator panels, motorcycle/scooter dashboards, two-wheeler combined meter units, simple HVAC control heads, and small appliance human-machine interface (HMI) panels that benefit from integrated audio feedback and segmented LCD. When designing with the R5F10DPGJFB#H2, leverage the on-chip peripherals to minimise external BOM. Allocate PCB area for the LFQFP-100 thermal pad and follow Renesas reference designs for the LCD bias network, stepper motor current-sense resistors, and the audio amplifier interface. Use the Renesas e2 studio / CS+ toolchain with the RL78/D1A device family pack for code generation and debugging. This page synthesises distributor stock and pricing, AEC-Q100 status, and a curated drop-in alternative list curated for engineers evaluating the RL78/D1A family for cost-sensitive automotive cluster designs.

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R5F10MPGDFB#30

R5F10MPGDFB#30 - 16-Bit RL78/I1B MCU 128KB Flash LQFP-100 | Renesas

The Renesas R5F10MPGDFB#30 is a 16-bit microcontroller from the RL78/I1B family, featuring a 24 MHz CPU, 128 KB of flash memory, and housed in a 100-pin LQFP (14x14 mm) package. It is engineered primarily for electricity meter and energy-measurement applications, integrating a 24-bit delta-sigma A/D converter, phase adjustment circuits, high-pass filter, and a high-accuracy oscillator for meter metrology. The device operates across -40C to +85C, supports 1.65V to 5.5V supply, and achieves ultra-low power consumption of 96 uA/MHz active and 0.66 uA standby (Halt mode with 32 kHz oscillator and RTC backup on). What is an RL78 microcontroller? The RL78 is Renesas's proprietary 16-bit core family that succeeds the legacy 78K0R and 78K0 lines, designed for low-power embedded applications. It sits inside the broader category of microcontrollers (MCU -> 16-bit MCU -> low-power MCU -> power-management-oriented MCU) and is purpose-built for metering, sensor conditioning, and human-machine interface (HMI) workloads. Key differentiating features of the R5F10MPGDFB#30 include: (1) integrated 24-bit delta-sigma ADC with built-in phase correction and high-pass filter, eliminating the need for an external metering AFE; (2) low active current 96 uA/MHz and standby current 0.66 uA, extending battery life in line-powered and battery-backed meters; (3) RTC backup domain, allowing the calendar/clock to run while the CPU is halted; (4) high-accuracy 32 kHz oscillator support, which simplifies line-frequency measurement and tamper detection. Technically, the RL78/I1B core uses a CISC Harvard architecture, three-stage pipeline, and a multi-channel DMA engine. The 128 KB of on-chip code flash supports in-system programming via a single-wire UART bootloader or the Renesas E1/E2 emulator. RAM (typically 8 KB on this family) and data flash (4 KB) are provided separately to allow EEPROM-like endurance without external storage. Typical applications include single-phase and poly-phase electricity meters, smart energy meters with wired/wireless communication, gas/water meter endpoints, sensor transmitters with RTC logging, and low-power industrial sensor nodes. The integrated 24-bit sigma-delta AFE makes the #30 part specifically suited to billing-grade metrology. Design tip: when migrating from older 78K0R designs, retain the original interrupt vector table layout because the RL78 core largely preserves it; however, port pin multiplexing differs - always re-validate the PCB layout against the LQFP-100 pin assignment in the Renesas datasheet rather than carrying over 78K0R footprints. This page synthesizes distributor pricing, drop-in alternatives within the same LQFP-100 footprint, and practical design notes not found in the manufacturer datasheet - giving component buyers and design engineers a single-decision resource.

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R5F10RJAAFA#V0

R5F10RJAAFA#V0 - 16KB Flash 16-bit LCD MCU | Renesas

The Renesas R5F10RJAAFA#V0 is a 16-bit RL78/L12 series microcontroller with integrated segment LCD controller/driver, 16KB flash, 24 MHz CPU (31 DMIPS), and 1.6 V to 5.5 V operating range, housed in a 52-pin LQFP (10x10 mm) package. The R5F10RJAAFA#V0 belongs to the RL78 family of microcontrollers, a 16-bit CISC architecture developed by Renesas as a low-power successor to the 78K and R8C families. An MCU (microcontroller unit) is a single-chip computer integrating CPU, memory, and peripherals; the RL78/L12 sub-series specifically targets small appliances, healthcare devices, and other cost-sensitive LCD-based applications where ultra-low standby current is critical. Key features include True Low Power Platform technology achieving 75 µA/MHz active current and 0.64 µA for RTC + LVD standby, three selectable LCD driving voltage generation methods (external resistance division, capacitive split, and internal voltage boost), and integrated safety peripherals. The 16-bit CISC core delivers 31 DMIPS at 24 MHz while consuming a fraction of the power of competing 8/16-bit cores. The architecture uses a Harvard-style bus with unified register bank that lets the compiler treat ROM, RAM, and SFRs as one address space, accelerating context switching and interrupt response. A built-in 8-channel 10-bit ADC, multiple timers, RTC, UART, I2C, and CSI simplify BOM cost by eliminating external chips. The device supports 4.5 KB RAM plus 2 KB data flash for non-volatile user storage. Typical applications include white goods (washing machines, microwave ovens), healthcare devices (blood-pressure monitors, glucose meters), industrial segment-LCD instrumentation, smart thermostats, and battery-powered consumer electronics. The wide 1.6 V – 5.5 V supply range lets the same part run from a single 3 V coin cell or a regulated 5 V rail. When designing with the R5F10RJAAFA#V0, choose the LCD driving method based on panel size: capacitive split for small panels, internal voltage boost for medium panels up to 5 V, and external resistor division for large panels or when precise contrast adjustment is required. The TOOLCHAIN is supported by the free e2 studio IDE plus the CC-RL compiler. This page consolidates distributor pricing, verified RL78/L12 family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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R5F10RJCAFA#V0

R5F10RJCAFA#V0 - 32KB Flash 16-bit LCD MCU 52-LQFP | Renesas

The Renesas R5F10RJCAFA#V0 is a 16-bit RL78/L12 microcontroller with an integrated segment LCD controller/driver, 32 KB of Flash program memory, 24 MHz CPU clock, and 52-pin LQFP (10x10 mm) packaging. It is part of Renesas' True Low Power Platform, achieving as low as 75 uA/MHz active current and 0.64 uA for RTC plus LVD operation, with a 1.6 V to 5.5 V supply range that supports battery-powered segment-LCD products. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, peripheral set, and I/O into one package. The RL78 is Renesas' 16-bit CISC core family succeeding the 78K0R; the L12 sub-family specifically adds an integrated segment-LCD driver, multi-channel 10-bit ADC, comparator, RTC, and low-voltage detector (LVD). The MPN suffix RJC denotes a 52-pin LQFP, 32 KB Flash / 2 KB RAM variant. The #V0 trailer indicates the standard industrial temperature grade (-40C to +85C) and standard lead-free / RoHS-compliant shipping packaging. Key specifications include 31 DMIPS (Dhrystone MIPS) at 24 MHz, three LCD voltage-generation methods (external resistor divider, capacitive charge pump, internal voltage boost) for compatibility with resistive and high-capacitance LCD panels, and built-in RTC + LVD that together draw only 0.64 uA. The on-chip segment-LCD driver supports up to 4 common x 39 segment (or 8 common x 35 segment) outputs depending on pin allocation, allowing direct connection of low-power glass displays. The RL78/L12 uses a Harvard-architecture RL78 core with single-cycle 16-bit ALU, hardware multiplier, and three-stage pipeline. The peripheral set is tailored to battery-operated LCD instruments: a 24 MHz high-speed on-chip oscillator, 15 kHz low-speed oscillator, 10-bit successive-approximation ADC with internal reference, two operational amplifiers / comparators, multiple 16-bit timers, a real-time clock with calendar, an interval timer, and DMA. Flash programming is supported in-circuit via single-wire UART or UART0 bootloader. Typical applications include battery-powered home appliances (microwave ovens, washing machines, induction cooktops, rice cookers), healthcare devices (blood-pressure monitors, glucose meters, thermometers), metering and industrial segment-LCD instruments (utility meters, thermostat displays), portable consumer electronics with LCD readouts, and any 1.6 V - 5.5 V product that needs an on-chip segment LCD. Designers select the L12 over the L13/L1C sub-families when the application needs the lowest possible standby current with an integrated LCD controller. When designing with this device, populate both VDD and VLCD with low-ESR ceramic decoupling and a bulk reservoir capacitor near the IC. Use the LCD voltage-generation mode that matches the panel: capacitive split for low-multiplex 1/4 bias displays, internal voltage boost for high-multiplex panels at low temperature. Enable the LVD to ensure deterministic reset during battery brown-outs and use the RTC's sub-second interrupt to wake the CPU periodically for sensor reads - this combination yields years of operation from a single CR2032 cell. This page synthesizes distributor stock and pricing, drop-in same-package alternatives, package diagram, and practical low-power design notes that are not collected in any single Renesas datasheet or distributor listing.

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R5F10WLCAFB

R5F10WLCAFB - 16-Bit 24MHz RL78/L13 MCU 32KB Flash 64-LFQFP | Renesas

The Renesas R5F10WLCAFB is a 16-bit RL78/L13 microcontroller built around the RL78 core running at 24MHz, integrating 32KB of flash memory and 64-pin LFQFP (10x10 mm) packaging. The device targets low-power embedded applications with on-chip segment LCD driver support and three selectable LCD voltage-generation methods (external resistor divider, capacitive split, and internal voltage boost). The RL78/L13 family implements the next-generation RL78 CPU core with the same instruction set as the 78K0R series, providing a migration path for legacy designs. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (flash/RAM), and peripherals (timers, ADC, communication interfaces, LCD driver). The RL78 family is positioned in the 16-bit ultra-low-power MCU segment, hierarchically classified as: MCU -> microcontroller -> embedded processor -> semiconductor IC. The RL78/L13 specifically targets human-machine interface (HMI) applications where segment LCDs are used for display. Key features include 32KB flash, 2KB SRAM (typical for L13 family), 4-channel DMA, multiple timers, 10-bit A/D converter, on-chip segment LCD controller with 4 common x 36 segment (typical) capability, three LCD bias generation methods, and ultra-low-power operation with multiple standby modes (HALT, STOP, SNOOZE). The wide operating voltage range (1.6V to 5.5V typical for RL78/L13) supports battery-powered and energy-harvesting designs. The RL78 core uses a 3-stage pipeline Harvard architecture with single-cycle execution of most instructions, achieving 41.6ns minimum instruction cycle at 24MHz. Integrated peripherals include UART, I2C, CSI/SPI, and a multi-channel 10-bit ADC with up to 10 channels (per family datasheet). The on-chip debug function enables in-system programming and real-time debugging. Typical applications include home appliance LCD displays (washing machines, microwave ovens, refrigerators), measurement instruments with LCD readouts, battery-powered portable devices, industrial sensor modules with LCD indication, and metering equipment. The built-in segment LCD driver eliminates the need for an external LCD controller, reducing BOM cost and PCB area in HMI designs. When designing with this part, evaluate the LCD drive method that best matches the panel (external resistor divider is simplest; capacitive split reduces current; internal voltage boost eliminates external components). The SNOOZE mode allows peripheral operation during CPU STOP, enabling periodic sensor sampling while maintaining ultra-low system current consumption for battery applications. This page synthesizes distributor pricing, drop-in RL78/L13 family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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R5F10WLGAFB

R5F10WLGAFB - RL78/L13 16-Bit 128KB Flash MCU | Renesas

The Renesas Electronics R5F10WLGAFB is a 16-bit RL78/L13 microcontroller featuring a 24 MHz CPU core, 128 KB of flash memory, and an integrated segment LCD driver, housed in a 64-pin LFQFP (10x10 mm) package. It is engineered for ultra-low-power operation in battery-driven and household appliances with LCD displays. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile memory (flash/ROM), volatile memory (RAM), and a rich set of peripheral interfaces such as timers, ADCs, communication controllers, and—on RL78/L13—a segment LCD driver. The RL78 family sits within Renesas's low-power 16-bit MCU portfolio, which is widely adopted in metering, white goods, healthcare devices, and other segment-LCD applications that demand years of battery life. The RL78/L13 supports three LCD driving voltage generation methods: external resistance division, capacitive split mode, and an internal voltage boost, enabling compatibility with a wide range of segment LCD panels. The device also integrates multiple low-power modes, a 12-bit A/D converter, and serial interfaces such as UART, I2C, and CSI, while achieving current consumption in the microamp range during LCD display operation. Architecturally, the RL78 core uses a 3-stage pipelined CISC-style design with banking of register pages, achieving high code density and very low active current (typically sub-mA/MHz). The integrated LCD controller can drive up to a large number of segments, offloading display refresh from the CPU and enabling deep-sleep LCD retention. Operating voltage spans 1.6 V to 5.5 V with on-chip regulators, supporting direct connection to 2x or 3x AA/AAA cells or a single lithium primary cell. Typical applications include home appliances with segment LCDs (washing machines, microwave ovens, air conditioners), utility meters (water/gas/electricity), medical measurement devices (blood pressure monitors, glucose meters), and industrial sensor readouts. The combination of segment LCD driver and ultra-low-power run mode positions the RL78/L13 as a strong fit for battery-powered human-machine interface designs. When designing with this device, evaluate the maximum segment count of your target panel against the LCD controller's SEG/COM allocation, and confirm that the 24 MHz system clock and 128 KB flash budget are sufficient for your application code. For metering or measurement applications requiring higher ADC precision or larger memory, consider migrating to the RL78/L1A or RL78/G14 family. This page synthesizes distributor pricing, RL78/L13 family alternatives, and practical design notes not found in the manufacturer datasheet.

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R5F10WLGAFB#30

R5F10WLGAFB#30 - 16-bit 24MHz RL78/L13 128KB MCU | Renesas

The Renesas R5F10WLGAFB#30 is a 16-bit RISC microcontroller from the RL78/L13 family, featuring 128 KB of flash memory, a 24 MHz CPU core, and integrated LCD segment driver, packaged in a 64-pin LFQFP (10x10 mm). It targets low-power applications requiring on-chip segment LCD control, such as home appliances, energy meters, and measurement devices, with operation from 1.6 V to 5.5 V supply. What is a 16-bit MCU? A 16-bit microcontroller (MCU) is a single-chip computer that processes instructions and data over a 16-bit data bus, sitting between 8-bit entry-level MCUs (e.g., PIC16, ATmega) and 32-bit Cortex-M parts in the embedded hierarchy. The RL78 core extends this category with an enhanced three-stage pipeline, ultra-low-power RUN/STOP/HALT/SNOOZE modes, and on-chip peripherals like 12-bit ADCs, comparators, and segment LCD controllers — placing it under the broader taxonomy: MCU -> microcontroller -> embedded processor -> semiconductor IC. The RL78/L13 sub-family specifically targets segment-LCD human-machine-interface applications. Key features include 128 KB (128K x 8) flash program memory, configurable RAM/data flash, a 24 MHz maximum CPU clock, an integrated segment LCD driver (up to 8 common x 40 segment), a 12-bit A/D converter with up to 12 channels, multiple low-power modes (STOP, HALT, SNOOZE), and a wide 1.6 V–5.5 V operating range. Per the Renesas product page, this part is suitable for LCD display of home appliances or measurement devices, and it operates over the -40 °C to +85 °C industrial temperature range. From an architectural standpoint, the RL78 core uses a Harvard-style bus with separate program flash and SRAM paths, supports the 78K0R-compatible instruction set, and provides hardware multiply/divide plus a low-power on-chip oscillator that removes the need for an external crystal in many designs. The on-chip segment LCD driver generates the necessary AC bias waveforms internally, eliminating external charge-pump circuitry for static, 1/3, and 1/4 duty LCD glass. Typical applications include home appliance control boards (washing machines, microwave ovens, induction cookers), smart electricity/water/gas meters, HVAC thermostats, white-good user-interface panels, industrial measurement equipment with segment LCD readouts, and battery-powered sensor readouts. The integrated segment LCD driver reduces BOM by replacing external LCD bias ICs. When designing with this device, plan for decoupling capacitors near the VDD/VSS pins, leave the TOOL0 pin accessible for in-circuit debugger connection, and verify the segment/comment pin assignment matches your LCD glass map in the e2 studio / CS+ pin configurator. Power sequencing and SNOOZE-mode entry are configured in the Smart Configurator code-generation toolchain rather than via runtime registers.

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R5F10WMGAFB#30

R5F10WMGAFB#30 - RL78/L13 16-bit MCU 128KB Flash | Renesas

The Renesas R5F10WMGAFB#30 is a 16-bit RL78/L13 microcontroller integrating 128 KB of code Flash, 8 KB of SRAM, and a built-in LCD controller/segment driver in an 80-pin LQFP package. It runs at up to 24 MHz from an internal oscillator and is targeted at low-power, battery-driven human-machine-interface applications such as home appliances and metering equipment. An RL78 microcontroller is a low-power 16-bit CISC core designed by NEC/Renesas as the successor to the 78K0 family. RL78 cores are tightly integrated with precision analog, LCD segment drivers, and multiple low-power operating modes. The RL78/L13 sub-family is the dedicated variant for applications with on-glass or on-board segment LCD displays, sitting within Renesas's broader RL78 product pyramid: RL78 core -> RL78/L1x (LCD) -> RL78/L13 (mid-density). This positioning makes the part a benchmark for years-of-battery-life white goods. Key features include three on-chip low-speed on-chip oscillators (15 kHz, 32 kHz, and the main 24 MHz high-speed on-chip oscillator), a 5-channel internal voltage booster for LCD bias, hardware multiplier/divider, 10-bit successive-approximation ADC, and a rich serial complement (CSI/SPI, UART, I2C, and LIN-bus). Power consumption is exceptionally low: approximately 0.6 µA in STOP retention mode with the LCD operating on a 32 kHz subclock and only ~3 mA active at 24 MHz. Architecturally, the RL78/L13 pairs a 3-stage pipeline CISC core with separated code/data buses (Harvard-style) and is built on a 130 nm mixed-signal process with embedded EEPROM/Flash. The integrated LCD controller supports up to 35 segment outputs x 4 common (or 39 x 8) configurations, configurable bias and frame frequency, and internal charge-pump or resistor-divider bias generation to allow operation from a single 1.8 V to 5.5 V supply. Typical applications include white-good HMI boards (washing-machine, microwave, induction-cooktop panels), residential gas/water/heat meters with display, blood-pressure and household medical displays, and remote-control units with battery charging indication. When designing with the R5F10WMGAFB#30, place the decoupling capacitors as close as possible to the VDD/VSS pins and reserve at least one full PCB layer for the LCD segment-trace routing. Selecting the correct bias source (internal resistor divider vs external capacitor divider) is critical - misconfiguring the charge pump on high-multiplex panels causes ghost segments. This page synthesizes distributor pricing, drop-in RL78/L13 alternatives, and PCB/HMI design notes drawn from the Renesas hardware manual and the verified web data - a combination not aggregated on any single distributor page.

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R5F10WMGAFB#50

R5F10WMGAFB#50 - 128KB Flash 24MHz RL78/L13 MCU 80-LQFP | Renesas

The Renesas Electronics R5F10WMGAFB#50 is a 16-bit RL78/L13 microcontroller with 128KB flash, 24MHz CPU, integrated segment LCD driver, and on-chip LCD voltage boost circuitry, housed in an 80-pin LQFP package (12x12 mm). It is part of the RL78 family designed for ultra-low-power embedded applications with built-in LCD control. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The RL78 is a 16-bit RISC architecture developed by Renesas that emphasizes ultra-low active and standby current consumption, making it well-suited for battery-powered and energy-harvesting products. The L13 sub-family adds a segment LCD controller/driver with three voltage-generation methods (external resistor divider, capacitive split, internal voltage boost), allowing direct connection to a wide range of segment LCD panels without external charge-pump circuitry. Key features include 128KB flash (128K x 8), 8KB SRAM, 24MHz maximum CPU clock, an integrated segment LCD driver supporting up to many segments, multiple low-power modes (HALT, STOP, SNOOZE), and rich peripheral set including 10-bit ADC, timers, UART/SPI/I2C, real-time clock, and DMA. The 80-LQFP package provides ample I/O for keypad, sensor, and display expansion. The RL78 core uses a Harvard-style architecture with a 3-stage pipeline and unified register bank, achieving high code density and 1.6 DMIPS/MHz class performance. Three LCD driving voltage generation methods support different panel sizes and power budgets, allowing designers to optimize for cost or efficiency. Typical applications include home appliance LCD displays (washing machines, microwaves, induction cookers), measurement devices (digital multimeters, blood pressure monitors, smart meters), industrial control panels, and any battery-powered product that drives a character or segment LCD. When designing with this MCU, ensure the LCD voltage generation method (external divider, capacitive split, or boost) is selected in software to match the panel and power budget. The 80-LQFP's exposed pad should be soldered to a sufficient ground pour for thermal and electrical stability. This page synthesizes distributor pricing, RL78/L13 family drop-in alternatives, and practical low-power design notes not found in the manufacturer datasheet.

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R5F11BLEAFB#30

R5F11BLEAFB#30 - RL78/G1F 16-Bit 32MHz 64KB MCU | Renesas

The Renesas R5F11BLEAFB#30 is a 16-bit RL78/G1F microcontroller IC featuring a 32MHz CPU, 64KB Flash program memory and 64-pin LFQFP (10x10 mm) packaging. Built around the low-power RL78 core architecture, it targets multifunctional embedded designs with enhanced functionality for sensorless BLDC motor control, integrating analog peripherals, timers and communication interfaces typically required by small appliance and motor drive systems. The RL78 family is Renesas' ultra-low-power 16-bit microcontroller family built on a proprietary 16-bit CISC-like core with Harvard architecture, low-leakage process technology and multiple low-power operating modes. RL78/G1F sits at the intersection of motor-control-oriented MCUs in the family, adding a complementary PWM timer, high-speed 12-bit ADC, comparator and op-amp peripherals necessary to drive 1-shunt or 3-shunt sensorless BLDC motors from a single chip. The platform inherits from the broader 16-bit MCU category (microcontroller -> embedded processor -> semiconductor IC), making it a logical step up from 8-bit controllers for applications demanding more deterministic motor commutation. Key specifications include 64KB (64K x 8) Flash for program storage, 4KB RAM (typical for this family), an internal 32MHz high-speed oscillator with PLL, multiple serial interfaces (UART, I2C, CSI/SPI), a 12-bit A/D converter, on-chip comparator and programmable gain amplifier, plus hardware multiplier/divider. The 64-LFQFP-10x10 package provides ample analog and digital pin assignments for three-phase motor drive plus keypad/LED matrix scan expansion, while industrial-grade -40C to +85C operation allows deployment in white goods, factory automation and outdoor equipment. Typical applications include sensorless BLDC motor control for small fans, pumps, compressors and appliance inverter boards, consumer electronics such as hair dryers and air purifiers, and industrial motor subsystems. The chip's integrated PGAs and comparators reduce bill-of-materials by eliminating several external op-amps that discrete BLDC designs would require. When designing with the R5F11BLEAFB#30, allocate sufficient PCB area for the analog ground island and keep the analog VDD/AVSS traces short. Renesas provides the RL78/G1F hardware manual and motor control support software packages for fast code ramp-up. This RL78/G1F family is optimized for sensorless BLDC motor control but should be evaluated against newer RA or RX families for designs needing ARM Cortex or higher-performance DSP extensions.

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R5F21102FP#U0

R5F21102FP#U0 - 16MHz 16-Bit 8KB MCU | Renesas

Renesas Electronics R5F21102FP#U0 is a 16-bit R8C/1x/10 microcontroller with a maximum operating frequency of 16 MHz, 8 KB of internal Flash memory, and a 32-pin LQFP package measuring 7 mm by 7 mm. It operates from a 3 V or 5 V supply and uses the R8C/Tiny Series CPU core implemented with a high-performance silicon gate CMOS process. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one device. The R8C/1x/10 belongs to the R8C family of 16-bit single-chip microcomputers, a category positioned between simple 8-bit controllers and more complex application-specific processors. Its instruction-efficient architecture supports embedded control designs requiring deterministic peripheral access, compact firmware, and low component count. The R5F21102FP#U0 provides 8 KB of Flash memory, organized by the distributor listing as 8K x 8, for firmware storage. The manufacturer describes a 1 MB memory space for the R8C/10 family. Operation up to 16 MHz provides a meaningful performance margin for motor-control, appliance-control, industrial-control, and general embedded tasks while retaining a relatively simple embedded architecture. Renesas identifies the R8C/10 Group as a non-promotion family supported for customers that have already adopted these products and recommends the RL78/G14 Group for new designs. This lifecycle position makes R5F21102FP#U0 most appropriate for maintaining established equipment rather than starting a broadly deployed new platform. Its 3 V or 5 V operation also permits compatibility with conventional embedded supply rails. The 32-LQFP package provides 32 externally accessible pins and suits conventional leaded surface-mount assembly. The R5F21102FP#U0 ordering suffix corresponds to the lead-free, tray-packaged variant reported by Mouser and Findic. Designers should verify the exact pin multiplexing, peripheral functions, programming procedure, and timing constraints against the R5F21102FP datasheet before releasing a new PCB. The primary design consideration is lifecycle risk: Renesas explicitly recommends RL78/G14 for new designs. Existing products can remain on the R8C/10 when software stability and hardware compatibility outweigh the benefits of platform migration. A migration should be evaluated at application level because a different MCU architecture, memory map, peripheral set, or toolchain may require firmware and board changes. This page consolidates verified manufacturer and distributor information with lifecycle guidance, procurement context, and design considerations that are not normally presented as one engineering-ready summary. It also distinguishes established-product continuity from the manufacturer's recommendation for new R8C/10 or RL78/G14 designs.

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R5F21103FP#U0

R5F21103FP#U0 - 16-Bit 16MHz MCU | Renesas Electronics

The Renesas Electronics R5F21103FP#U0 is a 16-bit R8C/Tiny-series microcontroller with a 16 MHz operating frequency, 12 KB of flash program memory, and 22 I/O lines in a 32-LQFP 7 x 7 mm package. The device operates from a 3 V to 5 V supply and provides 768 x 8 bits of RAM for embedded control applications. Its supported connectivity includes SIO and UART/USART, while the integrated peripheral set includes an LED driver and watchdog timer. The R5F21103FP#U0 is supplied in tray packaging and is specified for an ambient operating range of -20°C to +85°C. A microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, working RAM, I/O ports, and peripherals on one integrated circuit. The R8C/Tiny core used here belongs to the broader 16-bit embedded-controller hierarchy. Compared with an 8-bit MCU, its 16-bit architecture supports wider arithmetic and more efficient processing of 16-bit data. The R5F21103FP#U0 also sits within the product hierarchy of flash-based microcontroller ICs, embedded controllers, and general-purpose semiconductor devices. Key features include a 16 MHz maximum clock, 12 KB of flash memory organized as 12K x 8, and 768 x 8 bits of RAM. The 22 available I/O lines support connections to sensors, indicators, switches, and serial communications equipment. SIO and UART/USART interfaces provide useful options for point-to-point communication, while the LED driver can simplify indicator-control designs. An internal oscillator is specified, and the watchdog timer supports system reliability functions when enabled by the application firmware. The device is manufactured using a high-performance silicon-gate CMOS process and is based on the R8C/Tiny CPU core, whose instruction set emphasizes instruction efficiency. The supplied operating range of -20°C to +85°C covers industrial and commercial ambient conditions. The 32-pin molded LQFP package provides 22 I/O functions alongside power, ground, clock, programming, reset, and other control connections. Exact pin assignments are not published in the supplied source excerpts, so a verified pinout is not asserted here. Typical applications include small industrial controllers, serial data-collection terminals, LED status panels, compact control boards, and legacy equipment upgrades where 16-bit processing and serial communication are required. In a UART-based controller, the device can coordinate a local sensor or actuator while the watchdog timer helps detect a stalled software loop. Its 12 KB flash capacity is appropriate for compact control firmware, and 768 x 8 bits of RAM provides working space for variables, buffers, and protocol state. Designers should confirm clock, reset, programming-interface, and peripheral-pin assignments against the manufacturer datasheet before layout release. The 3 V to 5 V operating range must also be respected, and the PCB should provide clean supply decoupling and programming access. Because this R8C/10 family is supported only for customers that have already adopted the products, new projects should evaluate the manufacturer-recommended RL78/G14 family unless firmware continuity requires the R8C/10 architecture. This page consolidates verified distributor and manufacturer information, exact memory and package specifications, sourcing guidance, and an explicit assessment of drop-in replacement availability. It also distinguishes documented facts from parameters requiring confirmation, helping engineers evaluate the R5F21103FP#U0 without relying on unsupported substitute claims.

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R5F21104FP#U0

R5F21104FP#U0 - 16-bit 16MHz R8C MCU | Renesas

Renesas Electronics R5F21104FP#U0 is a 16-bit R8C-series microcontroller with a 16 MHz operating frequency, 16 KB of flash program memory, and a 32-LQFP 7 x 7 mm package. The verified product listings identify it as part of the R8C/1x/10 family and support operation from a 3 V to 5 V supply range. Its compact package and combination of embedded flash and general-purpose microcontroller resources suit compact control systems, industrial equipment, and embedded products. A microcontroller is a semiconductor containing a processor core, program memory, data memory, peripheral interfaces, and dedicated I/O in one integrated circuit. The R8C architecture places this device in the hierarchy of embedded microcontrollers, embedded processors, programmable controllers, and semiconductors. Compared with a discrete processor design, an integrated MCU reduces board area and simplifies the relationship among firmware execution, pin multiplexing, timing, and serial communications. The verified data identifies a 16-bit R8C core operating at up to 16 MHz, with 16 KB of flash organized as 16K x 8. The device is available in a 32-LQFP package measuring 7 x 7 mm and is associated with a 3 V to 5 V operating class. The #U0 ordering suffix and tray packaging are reflected in distributor records, while another distributor description identifies the part as lead-free. The R8C/1x/10 family combines a compact general-purpose microcontroller architecture with embedded flash and dedicated peripheral resources. Its 16 MHz clock rate provides a clear baseline for control-loop, monitoring, human-interface, and communication-management tasks. Flash memory retains application firmware in the device itself, while the 32-LQFP package provides 32 external leads for power, ground, reset, clock, serial interfaces, timers, and general-purpose I/O according to the manufacturer datasheet. Typical uses include industrial controllers, sensor-interface equipment, compact appliance controls, building-control modules, and communication-oriented embedded equipment. A design using this MCU can consolidate a small state machine, periodic sensor sampling, actuator commands, and local diagnostics into one component. For battery- or USB-powered products, the 3 V to 5 V class is especially useful, although the final power budget must be checked against the exact operating conditions. Designers should preserve the decoupling and signal-integrity layout shown in the manufacturer datasheet, provide a stable clock and reset arrangement, and confirm that every peripheral function assigned to a multiplexed pin remains available in the selected package. Firmware should also be validated against the operating temperature range and supply limits before production release. This page consolidates the verified distributor and manufacturer information, distinguishes a documented same-family upgrade from unsupported substitutes, and adds practical selection and design guidance that can be applied without confusing functional alternatives with true pin-compatible drop-in replacements.

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R5F21112FP#U0

R5F21112FP#U0 - 16-bit 20MHz 8KB Flash MCU | Renesas

Renesas Electronics R5F21112FP#U0 is a 16-bit R8C/1x/11 series microcontroller with a 20 MHz operating frequency and 8 KB of flash memory, supplied in a 32-pin LQFP package. It is designed for embedded control applications that require efficient instruction execution, compact packaging and embedded flash. The R8C/Tiny-series core provides a 16-bit processing architecture suitable for industrial, consumer and embedded product control systems. The MCU operates from a 3 V to 5 V supply, with the available product information identifying a 3/5 V device. The R5F21112FP family uses a high-performance silicon gate CMOS process and is packaged as a 32-pin plastic molded LQFP. Its 8 KB flash memory provides on-chip program storage for firmware, while the 16-bit CPU core supports efficient control-loop and peripheral-oriented software execution. Key characteristics include a 20 MHz maximum operating frequency, 8 KB flash memory and a 32-LQFP (7 x 7 mm) package. The available distributor and manufacturer listings identify this part as an R8C/1x/11 microcontroller. The verified product information does not include detailed RAM size, peripheral inventory, ADC specifications, timer resources, I/O count or electrical timing values, so those details should be confirmed in the manufacturer datasheet before final design release. R5F21112FP#U0 is suitable for compact embedded controllers, industrial equipment, appliance controls, instrumentation, serial-interface products and general-purpose embedded control boards. Its small LQFP package can support prototype and moderate-volume production layouts when the required peripheral and pin functions are available. Designers should verify the exact pin assignments, clock requirements, reset behavior and memory map against the official documentation before PCB routing or firmware development. The most important engineering consideration is that the #U0 ordering suffix and 32-LQFP footprint do not, by themselves, establish complete drop-in compatibility with another MCU. Pin assignment, core architecture, memory size, peripheral resources, voltage tolerance and timing must all be compared. This page consolidates the verified distributor and Renesas product information while avoiding unsupported assumptions about missing technical parameters.

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R5F21113FP#U0

R5F21113FP#U0 - 16-Bit 20MHz R8C MCU | Renesas

The Renesas Electronics R5F21113FP#U0 is a 16-bit R8C/1x/11 microcontroller operating at up to 20 MHz with 12 KB of flash memory in a 32-LQFP 7 x 7 mm package. Designed for compact embedded-control systems, the device combines a high-performance R8C CPU core with a 3 V to 5 V operating range and lead-free construction. Its 12K x 8 flash organization supports firmware storage for industrial controllers, consumer equipment, instrumentation, and embedded peripheral controllers. A microcontroller is an integrated circuit containing a processor core, program memory, data memory, peripherals, and I/O on one device. The R8C architecture belongs to the 16-bit microcontroller class and combines relatively high instruction efficiency with a compact instruction set suited to embedded products. Within the broader semiconductor hierarchy, the R5F21113FP#U0 is a general-purpose embedded processor and system-on-chip component rather than a discrete logic or analog device. Key characteristics include a 20 MHz maximum operating frequency, 12 KB of flash program memory, a 3 V to 5 V supply range, and a 32-pin plastic molded LQFP package. The flash-based program architecture allows firmware to be stored directly in the MCU rather than in an external memory device, helping reduce total system complexity. The manufacturer describes the part within its R8C/11 family of 16-bit microcontrollers with R8C CPU cores. The R8C/1x/11 core is intended for applications that require efficient 16-bit processing without the cost and complexity of a high-end application processor. Its compact LQFP footprint remains compatible with conventional surface-mount assembly and reflow processes, while the 7 x 7 mm body allows placement alongside analog, power, communication, and sensing components on a densely populated control board. Typical uses include industrial control modules, appliance controllers, measurement equipment, motor-control peripherals, sensor-hub designs, and compact consumer products. For battery-operated or precision analog systems, designers should confirm supply voltage, peripheral mix, clock requirements, and power-consumption targets against the manufacturer datasheet before committing the MCU to a board architecture. The primary design consideration is firmware portability across the R8C/1x/11 family. Because package suffix codes can identify different temperature, packaging, or ordering options, engineers should compare the exact MPN, pin assignments, peripheral availability, and memory configuration rather than assuming that every family member has identical behavior. This page organizes the principal specifications, sourcing information, family-level drop-in options, application guidance, and practical design notes. It is intended to help engineers identify whether the R5F21113FP#U0 matches a 16-bit embedded-control requirement before schematic capture and PCB layout begin.

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R5F21113FP#W4

R5F21113FP#W4 - 16-Bit 20MHz 12KB Flash MCU | Renesas

The Renesas Electronics R5F21113FP#W4 is a 16-bit R8C/1x/11 family microcontroller with a 20 MHz operating speed, 12 KB of flash program memory, 768 bytes of RAM, and 22 I/O pins. The device is packaged in a 32-pin LQFP measuring 7 mm by 7 mm and is supplied in tray packaging. Its R8C/Tiny-series CPU core uses a high-performance silicon-gate CMOS process to provide an efficient architecture for embedded control applications. An R8C microcontroller is a 16-bit embedded-control component within the broader MCU and microprocessor hierarchy. It combines flash-resident firmware, internal data RAM, timers, serial interfaces, and general-purpose I/O in one device. This integration allows compact control systems to replace separate processor, memory, and peripheral components while keeping firmware, board area, and assembly requirements consolidated. Key features include 12 KB of flash memory organized as 12K by 8 bytes, 768 bytes of RAM, 22 general-purpose I/O lines, and a maximum listed operating frequency of 20 MHz. The internal oscillator reduces the number of external timing components required in many designs. Tray packaging supports volume production and automated PCB assembly when the board geometry and component orientation match the 32-pin LQFP footprint. The R8C/1x/11 architecture is intended for compact embedded controllers that benefit from 16-bit instruction handling and efficient peripheral integration. The manufacturer describes the R8C/11 family as supported primarily for customers that previously adopted these products and recommends the RL78/G14 family for new designs. Legacy-product support status should therefore be considered when planning a long-lived design. Typical uses include industrial control modules, compact instrumentation, appliance controllers, embedded interface products, and small automation equipment. The 22 available I/O pins provide connectivity for sensors, indicators, switches, communications links, and discrete actuators, while the 20 MHz operating rate supports time-sensitive control tasks. PCB planning should follow the manufacturer package drawing and pin-assignment table. Confirm oscillator requirements, supply voltage limits, programming connections, and all peripheral multiplexing before releasing a layout. Because firmware, toolchain, and peripheral behavior are architecture-specific, treat software migration as part of replacement planning rather than assuming electrical similarity alone guarantees interchangeability. This product page consolidates the device identity, memory organization, package characteristics, sourcing information, and replacement constraints into a design-focused reference. It also distinguishes true drop-in interchangeability from merely similar microcontrollers by requiring the same footprint, pin compatibility, suitable electrical parameters, and compatible firmware behavior.

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R5F21114FP#U0

R5F21114FP#U0 - 16-Bit 20MHz MCU | Renesas Electronics

The Renesas Electronics R5F21114FP#U0 is a 16-bit R8C microcontroller with a 20 MHz operating frequency, 16 KB flash program memory and a 32-LQFP 7 x 7 mm package. The device operates from 3 V to 5 V according to Mouser, making it suitable for embedded control systems that use either 3.3 V or 5 V power rails. Its R8C CPU core combines a compact 16-bit architecture with efficient CISC-style instructions. A microcontroller is a programmable semiconductor that integrates a CPU core, program memory, data memory, peripherals and I/O into one package. The R8C/Tiny family belongs to the broader hierarchy of embedded processors, microcontrollers, semiconductor devices and electronic control components. Renesas describes the R5F21114FP#U0 as a non-promotion member of its 16-bit microcontroller range, and its order page lists the device for procurement. The R5F21114FP#U0 provides 16 KB of flash memory, a 20 MHz maximum clock and 3 V to 5 V supply operation in a 32-LQFP package. Compared with a general-purpose desktop processor, this device is optimized for compact embedded control, where deterministic peripheral access, compact implementation and low board-area requirements matter more than graphics performance or large memory capacity. The 7 x 7 mm LQFP also remains inspectable after soldering and is suitable for conventional PCB assembly processes. The MCU is manufactured using a high-performance silicon-gate CMOS process, as described by the Renesas datasheet information. This implementation supports the R8C/Tiny CPU core and a broad set of embedded-control resources. Exact RAM capacity, peripheral inventory, clock-generation options and electrical limits are not included in the verified excerpts supplied for this page, so those values require confirmation in the complete manufacturer datasheet before final design sign-off. Typical uses include industrial controllers, consumer products, measurement equipment and compact embedded control modules. The 16 KB flash capacity is appropriate for moderate firmware sizes, while the 3 V to 5 V operating range supports common industrial and commercial supply voltages. Designers should confirm peripheral timing, memory availability and pin-level requirements when migrating a board from another Renesas MCU. For PCB implementation, follow the complete Renesas package drawing and pin-assignment documentation. Place bypass capacitors near the supply pins, route sensitive signals away from switching nodes and verify programming, reset and clock connectivity against the manufacturer reference design. Because the supplied excerpts do not provide a complete verified pin table, no pin assignments should be inferred from the package drawing alone. This product record consolidates verified distributor specifications, current pricing information, same-family alternatives and practical sourcing guidance. It is intended to support initial design and procurement decisions while clearly separating confirmed data from parameters that still require review in the full Renesas datasheet.

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R5F21114FP#W4

R5F21114FP#W4 - 16-Bit R8C Microcontroller | Renesas

Renesas Electronics R5F21114FP#W4 is a 16-bit R8C/Tiny-series microcontroller operating at up to 20 MHz, with 16 KB of Flash program memory and 1 KB of RAM. The device is packaged in a 32-LQFP measuring 7 x 7 mm and is supplied in tape-and-reel packaging. Its 22 I/O pins provide a practical interface for embedded control tasks. A microcontroller is a programmable semiconductor that combines a processor core, program memory, data memory, I/O ports, and peripherals on one integrated circuit. Within the embedded-system hierarchy, the R8C/Tiny family belongs to the 16-bit microcontroller class and provides a compact platform for appliance controls, industrial equipment, instrumentation, and embedded products. Its instruction-efficient R8C core is designed for compact systems that require more processing capability than a basic 8-bit controller. The R5F21114FP#W4 combines 16 KB of Flash memory with 1 KB of internal RAM. Flash memory retains programmed firmware when power is removed, while RAM provides volatile working space for stack operations, variables, and intermediate calculations. A 20 MHz operating frequency supports time-sensitive control tasks, and the 22 available I/O pins allow the device to connect directly to switches, sensors, displays, actuators, and interface circuits. The device uses Renesas silicon-gate CMOS technology and an instruction-efficient R8C/Tiny CPU core. Its 32-pin plastic-molded LQFP package is suitable for automated board assembly and provides a conventional 7 x 7 mm footprint. The W4 ordering designation identifies the tape-and-reel configuration, supporting repeatable pick-and-place and manufacturing operations. Pin assignment, signal levels, clock requirements, and peripheral functions should be confirmed against the R8C/11 Group Datasheet before layout release. Typical uses include small appliance controllers, sensor-interfaces, industrial modules, instrument panels, and compact embedded control systems. The device is useful when a design needs a deterministic 16-bit control platform without a large external memory subsystem. Its 16 KB firmware space can hold a compact control routine, startup logic, state machine, and communication handler, although final firmware sizing must be checked after compilation. Layout planning should preserve access to all programming and debug functions and follow the manufacturer’s recommended decoupling and clock arrangements. Confirm the exact pin roles, operating-voltage range, reset behavior, peripheral mix, and programming interface against the applicable Renesas documentation before schematic capture or PCB release. This page organizes the R5F21114FP#W4 core specifications, manufacturing attributes, application context, and design considerations. It also distinguishes verified device characteristics from engineering information that must still be checked in the R8C/11 Group Datasheet and final design documentation.

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R5F21122FP#U0

R5F21122FP#U0 - 16-Bit 16MHz R8C MCU | Renesas Electronics

The Renesas Electronics R5F21122FP#U0 is a 16-bit R8C/1x/12 embedded microcontroller with a 16 MHz clock, 8 KB of Flash program memory, and a 32-pin LQFP package measuring 7 x 7 mm. It operates from a 3/5 V supply and is designed for compact control systems requiring efficient instruction execution and a small pin count. An R8C microcontroller is a 16-bit CISC-based control device within the broader embedded-microcontroller and semiconductor hierarchy. The R8C Tiny Series core combines compact instruction encoding with a 1 Mb address space, allowing embedded designers to balance processing performance, memory capacity, and board area. The R5F21122FP#U0 is positioned for cost-sensitive industrial, appliance, instrumentation, and general embedded-control applications. Key characteristics include 16-bit processing, an operating clock of 16 MHz, 8 KB of Flash memory, 4 KB of data Flash, and 3/5 V operation. Its R8C/1x/12 group designation identifies the core and device family, while the 32-pin LQFP exposes the required peripheral and power connections in a standard surface-mount footprint. The silicon-gate CMOS process supports integration of the CPU core, program memory, data Flash, timers, serial interfaces, and control peripherals. The manufacturer's product page describes a device built around the R8C Tiny Series CPU core with sophisticated instructions designed for high instruction efficiency. A 1 Mb address space provides substantially more architectural range than the 8 KB physical Flash allocation alone suggests. This addressability supports organized firmware structures and expansion of peripheral or memory mapping within the R8C architecture, although the complete map should be confirmed in the manufacturer datasheet. Typical uses include industrial equipment, consumer appliances, sensor controllers, building controls, motor-control peripherals, and compact embedded instruments. The 32-LQFP package is particularly useful where a smaller footprint than a high-pin-count MCU is desirable while retaining enough I/O for standard control functions. The 3/5 V supply requirement also suits systems built around legacy-compatible embedded-control architectures. Designers should verify the complete peripheral set, interrupt behavior, electrical limits, and exact pin assignments in the manufacturer datasheet before schematic capture. PCB layout must preserve adequate clearance around all 32 leads and route sensitive oscillator and supply connections appropriately. Firmware selection should account for the 8 KB program-memory ceiling, while any use of data Flash requires the appropriate endurance and write-cycle handling from the device documentation. This product page combines manufacturer and distributor technical information, package details, engineering-oriented application guidance, and an honest drop-in replacement assessment. It is intended to help engineers evaluate memory constraints, pin compatibility, supply requirements, and design tradeoffs before committing the R5F21122FP#U0 to an embedded-control design.

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R5F21124FP#U0

R5F21124FP#U0 - 16-bit 16MHz 16KB Flash MCU | Renesas Electronics

The Renesas Electronics R5F21124FP#U0 is a 16-bit R8C/1x/12 series microcontroller with a 16 MHz operating frequency, 16KB of flash program memory, and a 32-pin LQFP package measuring 7 mm by 7 mm. It operates from a 3 V or 5 V supply and is identified as a Pb-Free device. The manufacturer describes this MCU as being built with a high-performance silicon gate CMOS process and using the R8C Tiny Series CPU core. Its architecture combines a compact 16-bit microcontroller with embedded flash memory in a package intended for space-constrained embedded systems. A microcontroller is a semiconductor device that integrates a CPU core, program memory, data memory, peripheral functions, and I/O into one integrated circuit. The R5F21124FP#U0 belongs to the R8C/12 group of Renesas 16-bit microcontrollers, a family positioned between simple 8-bit controllers and more resource-intensive 32-bit application processors. This device is intended for embedded control, where an application program must handle sensor inputs, actuator outputs, communications, timing, and user-interface functions in one compact component. The main engineering characteristics visible for this exact MPN are the 16-bit CPU architecture, 16 MHz maximum clock information identified in the product listing, 16KB flash storage, 3 V or 5 V operation, and 32-LQFP packaging. The R5F21124FP#U0 is marked as Pb-Free. Detailed electrical limits, RAM capacity, peripheral channel assignments, clock-tree options, timer resources, communication interfaces, and absolute maximum ratings must be confirmed in the Renesas datasheet before a design is released. Renesas states that the R8C/12 group is supported for customers that have already adopted these products and recommends the RL78/G14 group for new designs. This lifecycle distinction is important: the R5F21124FP#U0 remains useful for maintenance, continuity, and previously qualified industrial or consumer programs, but engineers should verify roadmap and sourcing conditions before starting a new platform. Existing software, peripheral mapping, and board layouts can make continuity preferable to redesign, provided the product remains suitable for the target application. Typical uses include compact industrial controllers, sensor-conditioning and monitoring equipment, small appliance controls, communication modules, and legacy embedded systems that require a 16-bit core with embedded flash. The 32-LQFP package provides a conventional quad flat-pack footprint suitable for automated PCB assembly and prototype fabrication. Because the exact pin map and peripheral multiplexing are not reproduced in the product-page search result, board designers should use the manufacturer pin-assignment table when assigning ports, power pins, reset, clock, and programming signals. This page summarizes the exact R5F21124FP#U0 identity and technical attributes, compares it with verified catalog information, and provides procurement-oriented guidance without presenting unverified competitor substitutions. For current commercial terms, use the Request a Quote form on this page. For a new design, evaluate the recommended RL78/G14 path; for an existing R8C/12 platform, confirm pin compatibility, software support, lifecycle status, and supply continuity through the manufacturer's product documentation.

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R5F21132FP#U0

R5F21132FP#U0 - 16-Bit 20MHz MCU | Renesas Electronics

Renesas Electronics R5F21132FP#U0 is a 16-bit R8C/13 series microcontroller with a 20 MHz operating frequency, 8 KB flash memory, and a 32-LQFP 7 x 7 mm package. It operates across a 2.7 V to 5.5 V supply range and provides a 10-bit ADC. The device uses an R8C/Tiny Series CPU core and high-performance silicon gate CMOS process. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, timers, serial interfaces, analog peripherals, and interrupt handling into one device. The R8C/13 belongs to the hierarchy of 16-bit embedded processors, microcontrollers, and general-purpose embedded control ICs. Renesas supports this group for customers that have already adopted its products and recommends the RL78/G14 Group for new designs. The principal features include 16-bit processing at 20 MHz, 8 KB of flash organized as 8K x 8, a 2.7 V to 5.5 V operating supply range, and a 10-bit ADC. The 32-pin LQFP package provides a practical surface-mount option for industrial, consumer, and control systems where board area is less constrained than in the smallest plastic packages. The 8K x 8 flash organization supports embedded firmware storage while the 20 MHz clock provides control and peripheral timing headroom. The R8C/Tiny Series core emphasizes instruction efficiency in a compact 16-bit architecture. Its on-chip peripherals reduce the need for external components in designs involving signal acquisition, timing, serial communication, and digital control. The high-performance silicon gate CMOS process supports the device's operating characteristics, while the R8C/13 family provides a common software-oriented platform for compatible members. Typical applications include industrial control panels, sensor-conditioning systems, motor-control support circuitry, programmable timers, data-acquisition modules, and compact consumer appliances. The 10-bit ADC is suitable for many sensor and control tasks where resolution and conversion performance are adequate for monitoring rather than precision measurement. A qualified firmware engineer should confirm the required timers, serial interfaces, analog channels, and interrupt resources against the manufacturer datasheet. Design attention should focus on clocking, decoupling, reset behavior, and firmware migration because this is a non-promotion family intended primarily for previously adopted designs. Confirm pin assignments and peripheral multiplexing on the physical R5F21132FP package before making an engineering change. For new projects, evaluate the manufacturer-recommended RL78/G14 path rather than assuming this legacy device is the optimal architectural choice. This page consolidates the manufacturer's device positioning, verified distributor specifications, package information, practical application guidance, and the limited drop-in replacement landscape. The replacement list is intentionally narrow because a genuine alternative must preserve the 32-LQFP footprint, pin compatibility, operating voltage, and embedded-control requirements rather than merely offer similar clock speed or memory capacity.

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R5F21133FP#U0

R5F21133FP#U0 - 16-Bit 20MHz R8C MCU | Renesas Electronics

Renesas Electronics R5F21133FP#U0 is a 16-bit R8C/1x/13 microcontroller operating at up to 20 MHz, with 12 KB of flash memory and a 32-LQFP 7 x 7 mm package. The R5F21133FP#U0 is designed for embedded control applications that require deterministic instruction execution, compact integration, and a 32-pin surface-mount footprint. A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and I/O into one component. The R8C/1x/13 belongs to the R8C family of 16-bit embedded controllers, which sits within the broader hierarchy of microcontroller, embedded processor, and semiconductor products. Renesas positions the R8C/11 Group for designs already based on the family, while recommending RL78/G14 for new projects. Key characteristics include a 16-bit CPU, a 20 MHz operating frequency, and 12 KB of flash memory. The device is identified as the R8C/1x/13 configuration and is offered in a compact 32-LQFP package measuring 7 x 7 mm. The listed operating range includes 3 V and 5 V supply operation, while one distributor specification identifies a 2.7 V to 5.5 V working range for this exact ordered device. The R8C CPU core uses instruction-efficient embedded-control techniques intended to balance processing performance with compact code size. This makes the R5F21133FP#U0 relevant to designs requiring more control capability than an 8-bit MCU while retaining a relatively small 32-pin footprint. The flash-memory capacity provides 12 KB for firmware, constants, and configuration data. Typical uses include industrial automation, embedded measurement equipment, appliance control, consumer-product interfaces, and compact motor or system-control modules. The 20 MHz clock rate is useful for time-critical control loops, while the 7 x 7 mm LQFP package simplifies assembly on conventional surface-mount production lines. PCB design should preserve a clean analog and digital supply path, route oscillator and reset signals away from noisy switching nodes, and follow the package-specific land pattern in the manufacturer datasheet. Firmware migration also requires checking peripheral assignments, interrupt vectors, memory organization, and peripheral-register compatibility rather than assuming software compatibility from the family name alone. This product page combines the exact ordering information, technical identity, sourcing workflow, and engineering considerations for R5F21133FP#U0. It helps designers separate the verified R8C/1x/13 configuration from similarly named family members before committing to a PCB or production release.

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R5F107AEGSP#V0 - 64KB Flash RL78/I1A 16-bit MCU 30-LSSOP | Renesas

R5F10DPGJFB - RL78/D1A 16-bit MCU, 128KB Flash, 100-pin LFQFP | Renesas

R5F10DPGJFB#H2 - 16-bit RL78/D1A Auto MCU | Renesas | LFQFP-100

R5F10MPGDFB#30 - 16-Bit RL78/I1B MCU 128KB Flash LQFP-100 | Renesas

R5F10RJAAFA#V0 - 16KB Flash 16-bit LCD MCU | Renesas

R5F10RJCAFA#V0 - 32KB Flash 16-bit LCD MCU 52-LQFP | Renesas

R5F10WLCAFB - 16-Bit 24MHz RL78/L13 MCU 32KB Flash 64-LFQFP | Renesas

R5F10WLGAFB - RL78/L13 16-Bit 128KB Flash MCU | Renesas

R5F10WLGAFB#30 - 16-bit 24MHz RL78/L13 128KB MCU | Renesas

R5F10WMGAFB#30 - RL78/L13 16-bit MCU 128KB Flash | Renesas

R5F10WMGAFB#50 - 128KB Flash 24MHz RL78/L13 MCU 80-LQFP | Renesas

R5F11BLEAFB#30 - RL78/G1F 16-Bit 32MHz 64KB MCU | Renesas

R5F21102FP#U0 - 16MHz 16-Bit 8KB MCU | Renesas

R5F21103FP#U0 - 16-Bit 16MHz MCU | Renesas Electronics

R5F21104FP#U0 - 16-bit 16MHz R8C MCU | Renesas

R5F21112FP#U0 - 16-bit 20MHz 8KB Flash MCU | Renesas

R5F21113FP#U0 - 16-Bit 20MHz R8C MCU | Renesas

R5F21113FP#W4 - 16-Bit 20MHz 12KB Flash MCU | Renesas

R5F21114FP#U0 - 16-Bit 20MHz MCU | Renesas Electronics

R5F21114FP#W4 - 16-Bit R8C Microcontroller | Renesas

R5F21122FP#U0 - 16-Bit 16MHz R8C MCU | Renesas Electronics

R5F21124FP#U0 - 16-bit 16MHz 16KB Flash MCU | Renesas Electronics

R5F21132FP#U0 - 16-Bit 20MHz MCU | Renesas Electronics

R5F21133FP#U0 - 16-Bit 20MHz R8C MCU | Renesas Electronics