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CY8CLED02-8SXI - 24MHz 2-Channel LED Controller | Infineon
CY8CLED02-8SXI

CY8CLED02-8SXI - 24MHz 2-Channel LED Controller | Infineon

The Infineon Technologies CY8CLED02-8SXI is an M8C EZ-Color HB application-specific LED-controller microcontroller with 4KB of programmable flash, 256 x 8 RAM, six I/O pins, a 24 MHz internal oscillator, and an 8-SOIC package. It controls two independent LED channels through configurable dimmers, with 32-bit resolution per channel and dynamic reconfiguration. The device is positioned as a compact system-on-chip solution for high-brightness LED lighting rather than a general-purpose MCU. An application-specific LED-controller microcontroller is a specialized embedded-control IC that integrates programmable logic, memory, digital I/O, and LED-control functions on one die. In the product hierarchy, the CY8CLED02-8SXI belongs to microcontrollers, specifically the EZ-Color HB LED-controller family. Its role is to execute dimming and lighting-control firmware, manage LED-channel outputs, and reduce the external circuitry needed for dedicated high-brightness lighting systems. The verified specifications identify 4KB (4K x 8) of program memory, 256 x 8 RAM, six I/O pins, 24 MHz operation, an internal oscillator, and an 8-SOIC package measuring 0.154 inch, or 3.90 mm, in width. The LED-control feature set includes configurable dimmers for two independent channels, 32-bit resolution for each channel, dynamic reconfiguration, and binning compensation. These capabilities make firmware-defined behavior central to the device's value. The M8C architecture combines embedded program and data memory with six external I/O in a small surface-mount package. A 24 MHz internal clock eliminates the need for an external oscillator when the system design permits operation from the specified internal time base. The 4KB program-memory limit is the principal firmware constraint, so control code should be compact and lighting effects should be selected for repeatability rather than elaborate computation. Typical uses include high-brightness LED modules, decorative color lighting, fixed architectural accents, display backlighting, compact lamp controllers, and two-channel illumination products where independent dimming is useful. The controller is particularly appropriate when both channels must share an embedded control program but require separate dimming commands. Final electrical suitability still depends on the LED topology, drive current, supply limits, and dimming behavior defined in the manufacturer datasheet. Designers should preserve the SOIC-8 land pattern and route decoupling close to the supply pins. Because the verified excerpts do not provide complete pin names, voltage limits, timing values, or output-drive details, those items must be checked in the manufacturer datasheet before schematic sign-off. LED current should not be inferred from the MCU I/O ratings without the missing electrical data. This page consolidates verified distributor specifications, package information, feature descriptions, sourcing links, and engineering-oriented usage guidance. It also distinguishes confirmed data from parameters that still require verification, providing a useful starting point for LED-controller design while avoiding unsupported electrical assumptions.

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CY90F352SPMC-GS-SPE1 - 16-Bit F²MC-16LX MCU, 24MHz, 128KB Flash | Infineon
CY90F352SPMC-GS-SPE1

CY90F352SPMC-GS-SPE1 - 16-Bit F²MC-16LX MCU, 24MHz, 128KB Flash | Infineon

The Infineon CY90F352SPMC-GS-SPE1 is a 16-bit F²MC-16LX MB90350 series microcontroller IC running at 24 MHz with 128 KB (128K x 8) of on-chip FLASH program memory, housed in a 64-pin LQFP package measuring 12 x 12 mm. It is part of the legacy Cypress (now Infineon) MB90350 auto-MCU family that has been widely adopted in automotive body, chassis, and powertrain ECUs as well as industrial motor-control and metering subsystems. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), working memory (RAM), and a rich set of on-chip peripherals such as timers, ADCs, communication controllers (UART, SPI, I²C, CAN), and GPIO. Within the broader taxonomy, this part belongs to the 16-bit microcontroller class, sits in the embedded MCU category of the semiconductor hierarchy, and is designed for real-time deterministic control rather than application processing. The F²MC-16LX architecture provides a Harvard-style 16-bit data path with CISC-style orthogonal instruction set, enabling compact code density and predictable interrupt latency for automotive-grade control loops. Key features include 128 KB embedded FLASH, an automotive-qualified (-40 °C to +125 °C) operating range, integrated peripherals for CAN/LIN/UART/SPI, multi-channel 10-bit ADC, and a 64-pin LQFP footprint that simplifies PCB layout for high-density automotive PCBAs. The IC is supplied on Tape & Reel for high-speed SMT assembly lines, with a moisture sensitivity level suitable for standard reflow profiles. Architecture-wise, the F²MC-16LX core combines a register-bank architecture with hardware multipliers and dedicated interrupt controllers, supporting low-power standby modes and a wide operating voltage range typical of automotive 5 V systems. The on-chip FLASH is in-system programmable, simplifying firmware updates and end-of-line calibration. Typical applications include automotive body control modules, HVAC actuators, instrument clusters, EPS sensor interfaces, smart metering, low-end motor control, and industrial IoT edge nodes. It is also commonly designed into white-goods motor controllers and small appliance inverters. When designing with this part, engineers should note the 64-LQFP exposed-pad PCB layout requires thermal vias for proper heat dissipation, and that automotive software development requires an AUTOSAR or low-level driver layer mapped onto the F²MC-16LX peripheral set. FLASH endurance and retention characteristics should be budgeted against the application's write-cycle profile. This page synthesizes distributor pricing, drop-in alternates within the MB90350 family, and practical thermal/PCB-design guidance not aggregated in a single manufacturer datasheet view.

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CY90F387SPMCR-G-JNE1 - 16-bit F²MC-16LX MCU 64KB Flash 48-LQFP | Infineon
CY90F387SPMCR-G-JNE1

CY90F387SPMCR-G-JNE1 - 16-bit F²MC-16LX MCU 64KB Flash 48-LQFP | Infineon

The Infineon CY90F387SPMCR-G-JNE1 is a 16-bit F²MC-16LX MB90385 series microcontroller IC running at 16 MHz with 64 KB (64K x 8) of embedded Flash memory, housed in a 48-pin LQFP package (7x7 mm). It belongs to Infineon's broad F²MC-16LX automotive MCU family and is qualified for in-vehicle and industrial process-control applications requiring deterministic real-time behavior. A 16-bit MCU (microcontroller unit) is a single-chip processor that integrates a CPU core, program and data memory, on-chip peripherals, and interrupt control into one IC. The F²MC-16LX architecture is the second-generation F²MC family whose Harvard-style core, multi-stage pipeline, and rich peripheral set make it well-suited to real-time control. Within the broader semiconductor hierarchy, the F²MC-16LX belongs to microcontrollers, which sit under the larger umbrella of embedded processors and integrated circuits. The MB90385 sub-series adds a built-in full-CAN interface, which is essential for in-vehicle networking such as CAN 2.0A/B body and chassis domains. Key features of the CY90F387SPMCR-G-JNE1 include 64 KB of Flash, 2 KB of on-chip RAM (typical for the MB90385 series), a 16 MHz maximum operating frequency, a 10-bit successive-approximation A/D converter with multiple channels, a 16-bit reload timer, a 16-bit free-run timer, UART and SIO channels, an external interrupt controller, and a full-CAN controller. The 48-LQFP (7x7 mm) package provides a thin, leaded, surface-mountable footprint that is widely accepted in automotive ECUs and industrial control boards. The MB90385 architecture features an enhanced 16-bit F²MC core with a 4-byte instruction queue, hardware multiplier, and 16 MB linear address space. Its built-in full-CAN module implements the CAN 2.0A/B active/passive error states with 16 message buffers, supporting baud rates from 125 kbps up to 1 Mbps, which is critical for body, chassis, and powertrain CAN networks. The on-chip flash supports both hardware and software protection against accidental writes, an important feature for safety-critical in-vehicle firmware. Typical applications include automotive body control modules (BCM), instrument clusters, HVAC climate controllers, steering-angle sensor interfaces, immobilizers, generic CAN node endpoints, and industrial process-control boards that require a CAN link plus a moderate Flash budget. The 64 KB Flash is sufficient for small to medium protocol stacks, sensor-fusion routines, and motor-control state machines. When designing with this part, ensure that the brown-out detection threshold and the PLL/clock-divider configuration match the system clock budget. Add a 4.7 kΩ pullup on the CAN RX line and a 120 Ω split termination on the bus. Decouple VCC/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of the pins. This page synthesizes distributor pricing, drop-in alternatives, comparison data, and practical design notes not consolidated in the manufacturer datasheet alone.

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CY90F543GPF-GE1 - 16-bit F²MC-16LX MCU, 128KB Flash, 100-QFP | Infineon
CY90F543GPF-GE1

CY90F543GPF-GE1 - 16-bit F²MC-16LX MCU, 128KB Flash, 100-QFP | Infineon

The Infineon CY90F543GPF-GE1 is a 16-bit F²MC-16LX MB90540G series microcontroller featuring 128KB of embedded Flash memory and a 16MHz core, housed in a 100-pin QFP (14x20 mm) package. This automotive-grade MCU delivers 16-bit processing performance for body electronics, powertrain peripherals, and industrial control subsystems. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable peripherals. It belongs to the hierarchy: microcontroller -> embedded processor -> system-on-chip -> semiconductor. Within the 16-bit MCU tier, the F²MC-16LX architecture bridges 8-bit legacy designs and 32-bit ARM Cortex-M devices, offering deterministic interrupt handling and rich timer/counter resources that engineers favored for automotive body controllers in the 2000s. Key features of the CY90F543GPF-GE1 include 128KB (128K x 8) embedded Flash for program storage, 16-bit data path width, and 16MHz maximum CPU clock supporting up to ~8 MIPS throughput. The 100-QFP (14x20 mm) package provides generous I/O access for legacy parallel buses, CAN/LIN peripherals, and analog channels, while the -40C to +105C operating temperature range targets under-hood and industrial cabinet environments. The Cypress 'CY' prefix denotes the Cypress legacy product line that has been carried into the Infineon catalog following the 2020 acquisition. From an architectural perspective, the F²MC-16LX core uses a CISC-style instruction set optimized for embedded control with hardware multiply/divide and a multi-channel DMA engine. The MB90540G series integrates CAN, UART, timers, A/D converters, and GPIO into a single die, eliminating external glue logic in automotive body and chassis applications. Typical applications include automotive body control modules, instrument clusters, HVAC controllers, industrial PLCs, and white-goods motor controllers. Designers select this family for proven long-term supply and stable firmware toolchains (Softune Workbench). When designing with this part, verify the variant's peripheral mix against the CY90F543GPFR-GE1 (tape-and-reel) and CY90F543PF-GE1 (lower-pin alternative) before committing to a footprint. The device is in active distribution but is generally considered legacy; verify lifecycle status with Infineon for new designs. This page synthesizes distributor pricing, drop-in alternates from the same MB90540G family, and practical migration notes not found in the standalone datasheet.

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CY90F543GSPFR-GE1 - 16MHz F²MC-16LX MCU 128KB Flash 100-QFP | Infineon
CY90F543GSPFR-GE1

CY90F543GSPFR-GE1 - 16MHz F²MC-16LX MCU 128KB Flash 100-QFP | Infineon

The Infineon CY90F543GSPFR-GE1 is a 16-bit F²MC-16LX MB90540G series microcontroller delivering 16MHz CPU clock, 128KB (128K x 8) embedded FLASH, and a 100-pin QFP (14x20mm) package. It is part of the legacy Cypress F²MC-16LX automotive MCU family now under Infineon, designed for body electronics and industrial real-time control. What is an F²MC-16LX microcontroller? F²MC-16LX is a 16-bit CISC microcontroller architecture originally developed by Fujitsu and continued by Cypress (now Infineon). It sits in the hierarchy: microcontroller -> embedded MCU -> 16-bit CISC processor -> automotive-grade real-time controller. The 'LX' variant adds enhanced peripherals, larger address space, and improved instruction throughput versus earlier F²MC-16L parts. The MB90540G sub-family is widely deployed in automotive body control, HVAC, instrument clusters, and industrial sensor-interface applications. Key features include 128KB on-chip FLASH program memory, multi-channel 8/10-bit ADC, 16-bit reload timers, UART/SIO communications, and a CAN 2.0B controller. The device operates from a 3.5V to 5.5V supply and supports automotive temperature grades. The MB90540G core includes hardware multiplier, 24-bit address space, and zero WaitState FLASH access for deterministic 16MHz execution. The 100-QFP (14x20mm) package provides generous I/O count (typically 80+ GPIO) suitable for body and chassis modules. An on-chip CAN 2.0B controller is the defining peripheral, enabling OBD-II, body networks, and industrial CANopen/J1939 connectivity without an external transceiver controller. Additional peripherals include PPG (Programmable Pulse Generator), up/down counters, and external interrupt controllers. Typical applications include automotive body control modules, HVAC controllers, instrument clusters, immobilizer ECUs, and industrial CAN-node slave devices. The wide operating voltage and automotive-grade temperature range make it suitable for under-hood and chassis-mounted ECUs. Design consideration: Add a 4.7kΩ pull-up on the reset pin and ensure the MODE pins are tied to known states during power-up to prevent unintended bootloader entry. Decouple VCC with 100nF ceramic at each supply pin placed within 5mm of the lead. This page synthesizes distributor pricing, drop-in compatible MB90540G-family alternatives, and practical automotive design notes not consolidated on the manufacturer product page.

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CY90F591APFR-GE1 - 16-Bit 16MHz 384KB F2MC-16LX MCU | Infineon
CY90F591APFR-GE1

CY90F591APFR-GE1 - 16-Bit 16MHz 384KB F2MC-16LX MCU | Infineon

The Infineon CY90F591APFR-GE1 is a 16-bit F²MC-16LX MB90590 series microcontroller (MCU) operating at 16 MHz with 384 KB (384K x 8) of embedded Flash memory, housed in a 100-pin QFP (14x20 mm) package. It integrates the legacy Fujitsu-originated F²MC-16LX CPU core, designed for automotive and industrial embedded control where deterministic 16-bit performance and large on-chip code storage are required. The wide 3.0V to 5.25V supply range supports both 3.3V and 5V system rails common in body-electronics and factory-automation designs. An F²MC-16LX microcontroller belongs to the broader family of microcontrollers (MCUs) -> embedded microprocessors -> semiconductors -> integrated circuits. F²MC (Fujitsu Micro controller) 16LX cores implement a 16-bit CISC architecture with multi-stage pipeline, banked register file and dedicated peripherals for timer/PWM, UART, CAN and A/D conversion - well suited to real-time automotive control loops where latency predictability matters more than raw clock rate. The 'LX' suffix indicates the low-power extension of the original F²MC-16L family, integrating enhanced peripherals such as extended timers, PPG (Programmable Pulse Generator) and CAN 2.0B controllers for vehicle network nodes. Key features include 384 KB on-chip Flash for application code and 384K x 8 byte-addressable organization, 16 MHz maximum CPU clock, the 100-pin QFP (14x20) package providing ample I/O for body and chassis modules, and 3.0V to 5.25V single-supply operation with automotive-grade qualification. The MB90590 family also integrates CAN, UART, timers, A/D and PPG peripherals, reducing external component count in ECU designs. As an automotive-grade (Auto MCU) part, the CY90F591APFR-GE1 is specified over extended temperature ranges typical of under-hood and cabin environments. Typical applications include automotive body control modules, instrument clusters, HVAC controllers, lighting/ECM subsystems, and industrial PLC/automation nodes. The combination of 384 KB Flash and abundant peripherals makes it suitable for protocol-rich nodes (CAN + LIN + UART) where multiple stacks must coexist. The 100-pin QFP also supports human-interface applications needing matrix keypad, LCD or LED drive capability. When designing with this MCU, route the analog AVCC/AREF pins with dedicated decoupling and a ferrite bead to isolate from digital noise. Verify the oscillator load capacitor values against the crystal manufacturer datasheet and confirm the Mode pins are latched to the desired operating mode before the reset de-assertion edge. This page synthesizes distributor stock data, F²MC-16LX same-family pin-compatible alternatives, and practical automotive-MCU design guidance not consolidated on any single vendor page.

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CY91F467CBPMCR-GS-UJE2 - 32-Bit 100MHz FR60 MCU, 1.0625MB Flash | Infineon
CY91F467CBPMCR-GS-UJE2

CY91F467CBPMCR-GS-UJE2 - 32-Bit 100MHz FR60 MCU, 1.0625MB Flash | Infineon

The Infineon CY91F467CBPMCR-GS-UJE2 is an automotive-grade 32-bit RISC microcontroller based on the FR60 core from the CY91460C series, delivering 100MHz single-core performance with 1.0625MB of embedded Flash memory in a 144-pin LQFP (20x20 mm) package. According to the Infineon datasheet and distributor listings, the part is qualified for automotive applications (Auto MCU designation) and integrates substantial on-chip memory suitable for body-electronics, gateway, and chassis-control firmware. What is a 32-bit automotive MCU? A microcontroller is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (CAN, LIN, timers, ADC, GPIO). A 32-bit automotive MCU uses a 32-bit datapath that allows larger address spaces, more efficient handling of complex protocols (CAN FD, Ethernet), and higher code density than 8-bit or 16-bit MCUs. The CY91F467 belongs to the FR60 family (RISC architecture derived from the Fujitsu/now-Infineon FR series), which sits in the taxonomy: MCU -> 32-bit MCU -> FR60 family -> body/chassis controller IC -> semiconductor under automotive development. Key technical highlights include: (1) FR60R RISC core at 100 MHz providing deterministic interrupt latency for time-triggered automotive communications; (2) 1.0625 MB (1.0625M x 8) embedded Flash enabling large AUTOSAR-compliant application images and bootloader/BootROM coexistence; (3) 144-LQFP (20x20 mm) package offering generous GPIO count for body, gateway, and chassis nodes; (4) automotive-grade qualification supporting AEC-Q100-style environmental stresses for under-hood and cabin modules. Technical depth: the FR60 core implements a RISC load-store architecture with 32-bit registers and dedicated addressing modes tailored for embedded C code generated by automotive compilers (GHS, Cosmic, IAR). The 1.0625 MB program Flash is typically partitioned for application + bootloader + calibration data. Internal RAM (exact size per datasheet) supports the stack, AUTOSAR RTE, and CAN message buffers. The peripheral set typical of this family includes multi-channel CAN, LIN, FlexRay (model-dependent), 12-bit ADC, PWM timers for motor drive, and external memory interfaces. Typical applications include automotive body control modules (BCM), HVAC climate-control ECUs, instrument cluster MCUs, gateway/router nodes, and industrial CAN/EtherCAT slave controllers. The wide program Flash also suits safety-critical applications implementing ASIL-B firmware with dual-bank OTA updates. When designing with this device, allocate PCB footprint for the 144-LQFP 20x20 mm package with adequate thermal copper pour, ensure decoupling per Infineon reference design (1x 100nF + 1x 4.7uF per VDD pin pair), and verify oscillator stability across the automotive temperature range (-40C to +125C). This page synthesizes distributor pricing, automotive-grade application context, and FR60-family alternatives that go beyond what a single distributor search result can show.

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CY91F526JSE - 32-bit FR81S 80MHz MCU, 1.0625MB Flash | Infineon
CY91F526JSE

CY91F526JSE - 32-bit FR81S 80MHz MCU, 1.0625MB Flash | Infineon

The Infineon CY91F526JSEPMC-GSE2 (marketed as CY91F526JSE) is a 32-bit RISC microcontroller built on the FR81S core, delivering up to 80 MHz CPU clock, 1.0625 MB on-chip Flash, and 138 KB SRAM, housed in a 120-pin LQFP (16x16 mm) surface-mount package. It integrates a 12-bit ADC, an 8-bit auxiliary ADC, and supports up to 96 external I/O lines, with an operating voltage range of 2.7 V to 5.5 V. An automotive-grade microcontroller (MCU) is a programmable logic controller optimized for vehicle electronics, characterized by an operating temperature range typically spanning -40 C to +125 C, enhanced ESD/EMC robustness, and conformance to AEC-Q100 qualification. Within the broader semiconductor taxonomy, the FR81S belongs to the FR family of 32-bit RISC microcontrollers -> microcontrollers (MCU/MPU/SOC) -> embedded processors -> semiconductors. The CY91F526JSE sits in the FR MB91520 series, designed for body electronics and chassis applications requiring real-time control and CAN connectivity. Key differentiating features include 1.0625 MB Flash (1.0625M x 8), 64 KB dedicated data Flash, 96 I/O channels, 12-bit SAR ADC resolution, and a -40 C to +105 C (K-type suffix) operating window. The wide 2.7-5.5 V supply range simplifies direct connection to automotive 5 V rails without level shifters. Hardware peripherals include multiple timers, UART/SPI/I2C interfaces, CAN controllers, and PWM channels tailored for motor and lighting control. The FR81S core implements a Harvard-style architecture with separate program/data buses, single-cycle 32-bit ALU operations, and dedicated bit-manipulation instructions. The 80 MHz clock rate delivers 80 MIPS peak throughput, sufficient for closed-loop control loops at sub-millisecond latency. Internal Flash supports in-system programming via the single-wire debug interface, eliminating the need for external boot ROM. Typical applications include automotive body control modules (BCM), instrument clusters, HVAC actuators, lighting controllers, and chassis subsystems such as electric power steering and brake-by-wire nodes. The 96 GPIO budget supports multi-sensor fusion designs where multiple analog inputs must be sampled per cycle. When designing with this device, allocate at least 4-layer PCB routing for the 120-LQFP's 0.5 mm pitch footprint. Provide a local 100 nF decoupling capacitor adjacent to each VCC/VSS pair, and ensure the RESET pin has a proper supervisor or RC delay for clean power-on. This page consolidates distributor pricing, drop-in alternatives within the FR MB91520 family, and design notes not found in the standalone manufacturer datasheet.

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CY91F526KHB - FR81S 32-bit Auto MCU, 1.0625MB Flash, 144-LQFP
CY91F526KHB

CY91F526KHB - FR81S 32-bit Auto MCU, 1.0625MB Flash, 144-LQFP

The Infineon/Cypress CY91F526KHB is a 32-bit FR81S series microcontroller designed for automotive ECU applications, featuring an FR81S core, 1.0625 MB on-chip Flash, and a 144-pin LQFP package. As a member of the MB91520 family, the CY91F526KHB integrates high-density embedded Flash, multi-channel timers, A/D converters, and a rich set of communication peripherals aimed at chassis, body, and powertrain ECUs. A 32-bit microcontroller (MCU) is a single-chip computer that combines a high-performance processor core, on-chip memory (Flash for program code and RAM for data), and a wide variety of analog and digital peripherals into one IC. Within the broader semiconductor hierarchy it sits as: MCU -> microcontroller -> embedded processor -> semiconductor device. The FR81S architecture used here is Fujitsu's (now Infineon) 32-bit RISC core optimized for automotive real-time control, offering deterministic interrupt latency and large code density. Automotive MCUs in this class also target AEC-Q100 qualification and an extended temperature range, distinguishing them from commercial-grade microcontrollers. Headline features of the CY91F526KHB include 1.0625 MB embedded Flash for application code, multi-channel 10-bit A/D converters, multiple 16-bit timers, CAN/LIN/UART communication interfaces, and watchdog/low-voltage detection peripherals. The 144-LQFP package gives generous I/O for body, chassis, and gateway ECUs. Compared with smaller Flash-density parts in the same family, the 1.0625 MB Flash lets designers consolidate multiple software modules without external memory expansion, simplifying PCB layout and BOM. The CY91F526KHB is targeted at AEC-Q100 automotive applications, including engine management units, transmission control units, body control modules, and gateway ECUs. Because it integrates CAN and LIN, the device is a natural fit for sub-networks where a higher-end host ECU offloads I/O and sensor conditioning. Its Flash density also supports OBD-II diagnostics and AUTOSAR-style stacks. When designing with the CY91F526KHB, follow the recommended decoupling scheme (100 nF + 10 uF near each VDD/VSS pair) and respect the 144-LQFP land pattern specified in the datasheet. Engineers should also verify the latest Infineon (formerly Cypress) revision of the CY91F526 family datasheet before committing layout, since some variants carry suffix codes that change peripheral mapping. This page synthesizes current distributor pricing, drop-in alternatives within the MB91520 family, and practical design notes drawn from the manufacturer datasheet - context not available from a single datasheet PDF.

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CY91F526KSD - 32-bit FR81S Auto MCU 1.0625MB Flash 144-LQFP | Infineon
CY91F526KSD

CY91F526KSD - 32-bit FR81S Auto MCU 1.0625MB Flash 144-LQFP | Infineon

The Infineon CY91F526KSDPMC-GSE1 (family: CY91F526 / MB91F526) is a 32-bit FR81S FR MB91520 automotive microcontroller IC running up to 80 MHz with 1.0625 MB (1.0625M x 8) embedded Flash and 128 KB SRAM, housed in a 144-pin LQFP (20x20 mm) surface-mount package. It is rated for -40C to +125C operation and operates from a 5 V supply, and integrates 120 general-purpose I/O lines and a 12-bit ADC for mixed-signal automotive subsystems. The device belongs to Cypress/Infineon's MB91520 series of FR81S microcontrollers targeting chassis, body, and powertrain ECUs. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash/ROM), working memory (SRAM), and peripheral IP (timers, ADC, communication controllers, GPIO) on a single die. Within the product taxonomy, the CY91F526KSD sits inside: MCU -> 32-bit microcontroller -> automotive microcontroller -> FR81S family -> MB91520 series -> embedded Flash MCU. The FR81S core is Fujitsu's 32-bit RISC architecture (originally developed by Fujitsu before Cypress/Infineon absorbed the product line) optimized for deterministic interrupt latency and low EMI in vehicle environments, making it a peer to ARM Cortex-M3/M4 devices in automotive body controllers. Key differentiating specifications include the 1.0625 MB single-bank Flash, 80 MHz maximum CPU clock, 12-bit ADC resolution, and an extended automotive temperature grade up to +125C. The 144-LQFP package exposes 120 I/O lines, leaving headroom for CAN, LIN, FlexRay, and PWM-heavy chassis modules. Five-V single-supply operation simplifies wiring harness design versus 3.3 V MCUs that need an additional LDO on the ECU board. Architecturally, the FR81S core implements a Harvard-style bus with separate instruction and data paths to the on-chip Flash and SRAM, which avoids contention between fetch and load/store cycles. The peripheral set typically includes multi-channel 16-bit timers for motor PWM, a 12-bit successive-approximation ADC with up to ~24 channels (vendor datasheet specific), CAN/LIN/SPI/I2C controllers, and an external memory interface. Cypress/Infineon qualifying flow follows AEC-Q100 stress profiles for automotive grade 1, which is why the part is commonly seen in OEM-spec body control modules. Typical applications include automotive body control modules (BCM), HVAC climate controllers, instrument clusters, lighting ECUs, and chassis sensor-fusion nodes. The wide temperature range and 5 V I/O also suit industrial PLC analog front-ends and any 12 V/24 V battery-powered subsystem that requires deterministic real-time behavior. When designing with this MCU, allocate a 4.7uF-10uF bulk decoupling capacitor near the 5 V supply pin plus 0.1uF ceramic bypass per VDD/VSS pair, and respect the 144-LQFP land pattern (0.5 mm pitch recommended footprint). Confirm that your IDE and toolchain are FR81S-aware (Softune or the vendor-supported GCC FR port) before committing the part to layout. This page synthesizes distributor pricing, automotive temperature ratings, and design considerations for the CY91F526KSD family that are not consolidated in any single manufacturer datasheet.

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CY91F526KSDPMC-GSE2 - 32-bit 80MHz MCU 1MB Flash 144-LQFP | Infineon
CY91F526KSDPMC-GSE2

CY91F526KSDPMC-GSE2 - 32-bit 80MHz MCU 1MB Flash 144-LQFP | Infineon

The Infineon CY91F526KSDPMC-GSE2 is a 32-bit single-core microcontroller from the FR81S (MB91520) automotive MCU family, running at 80 MHz and integrating 1.0625 MB of on-chip FLASH in a 144-pin LQFP (20x20 mm) package. It is qualified to the AEC-Q100 automotive standard, with extended temperature range and dedicated peripheral sets for body, HVAC, and chassis ECUs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a wide range of peripheral interfaces (timers, ADC, CAN, LIN, GPIO, etc.) into one package. In the broader semiconductor taxonomy, an MCU belongs to the embedded processor family, which sits under microcontrollers and controllers, then under integrated circuits (ICs), then under semiconductors. Automotive MCUs form a hardened sub-category designed to survive under-the-hood thermal, vibration, and EMI stress. Key features include a high-performance FR81S 32-bit core optimized for real-time control, 1.0625 MB of embedded flash for application code and data, on-chip debug and trace, multiple CAN/LIN/SPI/UART interfaces, and 12-bit A/D converters. The 144-LQFP package provides ample I/O count for body-control modules and supports surface-mount assembly with standard lead-free reflow. The architecture is built around the FR family CPU with tightly coupled flash and SRAM buses, deterministic interrupt handling, and hardware MAC multipliers for signal-processing workloads. The peripheral set is configurable through Cypress/Infineon peripheral manager tools, allowing pin-function remapping and DMAC transfers to offload the CPU. Typical applications include automotive body control modules, HVAC climate controllers, instrument clusters, lighting ECUs, and industrial automation controllers. Its AEC-Q100 qualification also makes it suitable for chassis subsystems and electric powertrain auxiliaries with appropriate derating. When designing with this part, allocate PCB area for the 144-LQFP footprint (0.5 mm pitch) and ensure the supply rails are decoupled with low-ESR ceramic capacitors placed close to the VDD/VSS pin groups. Programming is supported through the Cypress/Infineon flash toolchain; verify JTAG/SWD header population for production programming. This page synthesizes distributor pricing, drop-in family alternatives, and design notes not always visible on the manufacturer landing page. Pricing references are stated as of 2026-10-07 and may fluctuate with supply conditions.

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CY96F389RSBPMC-GS-UJE2 - F2MC-16FX 16-Bit MCU, 56MHz, 832KB Flash | Infineon
CY96F389RSBPMC-GS-UJE2

CY96F389RSBPMC-GS-UJE2 - F2MC-16FX 16-Bit MCU, 56MHz, 832KB Flash | Infineon

The Infineon CY96F389RSBPMC-GS-UJE2 is a 16-bit RISC microcontroller built on the F²MC-16FX architecture (CY96380 series), featuring a 56 MHz CPU core, 832 KB of on-chip flash, and a 120-pin LQFP package (16x16 mm). It is qualified to automotive temperature grade and supports both CAN and LIN connectivity, targeting automotive body and chassis ECUs. An F²MC-16FX microcontroller is a 16-bit proprietary CPU family originally developed by Cypress and now owned by Infineon. It uses the same instruction set as the earlier 16LX series, allowing direct migration of legacy 16LX code, while the 16FX pipeline improvements increase throughput versus the previous generation. Within the broader hierarchy, this part sits in the F²MC family -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor IC, making it suitable for real-time control applications that benefit from deterministic interrupt handling. Key specifications include 832 KB (832K x 8) of embedded flash for program storage, 56 MHz maximum CPU clock, an automotive temperature grade, and a 120-pin LQFP (LFQFP, gull-wing, square package code). The part is RoHS3 compliant and is typically used where 16-bit deterministic performance, large flash, and automotive-grade qualification are required simultaneously. The architecture combines a RISC-like instruction pipeline for efficient code execution with on-chip peripherals suited to automotive body electronics. The 120-LQFP exposes a wide I/O count that supports multiple communication channels, timers, and analog capture channels required by body and chassis control modules. Typical applications include automotive body control modules, instrument clusters, HVAC controllers, lighting ECUs, and other in-vehicle subsystems where 832 KB program memory, 16-bit performance, and automotive temperature qualification are required. The part is well-suited for CAN/LIN connected nodes. When designing with this part, note the 56 MHz system clock and the 832 KB flash size require a host bootloader strategy if field updates are planned. The 120-LQFP package requires a 4-layer PCB with thermal relief and at least 2 oz copper to manage the moderate dissipation of automotive body ECUs. This page synthesizes distributor availability, automotive-grade alternatives in the same 120-LQFP footprint, and design considerations not collected in any single manufacturer datasheet, giving engineers a single reference for sourcing and second-source decisions.

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CY96F395RSAPMC-GS-UJE2 - 16-bit F2MC-16FX MCU 160KB Flash | Infineon
CY96F395RSAPMC-GS-UJE2

CY96F395RSAPMC-GS-UJE2 - 16-bit F2MC-16FX MCU 160KB Flash | Infineon

The Infineon CY96F395RSAPMC-GS-UJE2 is a 16-bit F2MC-16FX family microcontroller with 160 KB of embedded flash memory, packaged in a 100-pin LQFP (14x14 mm). It integrates the F2MC-16FX CPU core operating up to 40 MHz with a 25 ns minimum instruction cycle, an 8-byte instruction execution queue, signed 16-bit x 16-bit multiplication, 23 addressing modes, and a barrel shifter that simplifies bit, byte, word, and long-word data manipulation. An MCU (microcontroller unit) is a single-chip computer that combines a CPU core, non-volatile program memory, volatile data memory, and a rich set of on-chip peripherals such as timers, communication controllers, ADCs, and GPIO into one device. MCUs sit below microprocessors in the embedded system hierarchy and are widely used in automotive body, chassis, and powertrain ECUs as well as in industrial controllers. The F2MC-16FX family is Infineon's (formerly Cypress) established 16-bit MCU line optimized for real-time control with a C-friendly instruction set and zero-wait-state flash execution up to the rated clock. Key features of the CY96F395RSAPMC-GS-UJE2 include 160 KB of on-chip flash, several kilobytes of SRAM, multiple 8/16-bit timer/counter units, a CAN-compatible communication controller block, UART/SIO channels, an A/D converter, and an external bus interface capable of addressing additional memory or peripherals. The part carries the GS suffix denoting the automotive grade qualification and the UJE2 ordering code used for tape-and-reel packing. Typical applications include automotive body and chassis ECUs, instrument cluster controllers, HVAC control modules, industrial sensor interfaces, and small appliance or power-tool motor control boards. The 100-LQFP package provides ample GPIO and bus power levels, enabling a benchtop implementation footprint while remaining surface-mountable for high-volume production. When designing with this MCU, ensure the operating voltage matches the 5 V analog and digital supply range, leave the reset pin driven through the recommended RC network, and provide adequate decoupling (typically 0.1 uF ceramic per VDD/VSS pair plus bulk capacitance) for the high-speed internal bus. For new designs, verify that the specific CY96F395RSAPMC-GS-UJE2 die revision is still active against the latest Infineon product change notification before committing to a PCB layout. This page synthesizes distributor pricing, drop-in alternatives within the F2MC-16FX family, and practical design notes beyond what is collected in the manufacturer datasheet.

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CY96F615ABPMC-GS-UJE1 - 16-Bit 32MHz 160KB Flash MCU | Infineon
CY96F615ABPMC-GS-UJE1

CY96F615ABPMC-GS-UJE1 - 16-Bit 32MHz 160KB Flash MCU | Infineon

The Infineon CY96F615ABPMC-GS-UJE1 is a 16-bit microcontroller built on the F²MC-16FX architecture in the CY96610 series, integrating 160KB of on-chip Flash memory and housed in a 48-pin LQFP package (7x7 mm). It operates at a core clock speed of 32 MHz and is positioned for automotive and industrial control applications where reliable 16-bit processing, deterministic interrupt handling, and integrated peripherals reduce system BOM. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash/ROM), working memory (RAM), and a range of peripheral interfaces on one die. Within the broader taxonomy, this part belongs to the F²MC-16FX family -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 16-bit F²MC architecture provides a richer instruction set and wider data path than 8-bit cores while staying simpler and lower-cost than 32-bit Cortex-M devices, making it well-suited to mid-complexity automotive ECUs. Key features of the CY96F615ABPMC-GS-UJE1 include 160KB of Flash program memory organized as 160K x 8, a 32 MHz maximum CPU clock, on-chip data Flash, multi-channel 10-bit ADC, capture/compare timer units, UART/SIO communication peripherals, and a LIN-capable interface block that supports automotive body and chassis networking. The LQFP-48 (7x7 mm) package provides a thermal resistance in line with standard surface-mount 48-pin plastic quad flat packs, enabling compact PCB layouts with adequate copper for thermal dissipation. Technically, the F²MC-16FX core uses a Harvard-style architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The CY96610 sub-series integrates enhanced peripheral functions including watchdog timer, real-time clock, and low-voltage detection, supporting automotive-grade reliability demands. The part operates across a wide supply voltage range typical for automotive 12V bus environments with regulation. Typical applications include automotive body control modules, HVAC actuator controllers, instrument clusters, sensor signal conditioning front-ends, and industrial CAN/LIN nodes. The combination of Flash memory, integrated peripherals, and automotive qualification makes it a strong fit for space-constrained ECUs. When designing with this MCU, place decoupling capacitors close to each VDD/VSS pair and keep the external clock or resonator traces short. The 48-LQFP package has 0.5 mm pin pitch - follow JEDEC MSL handling guidelines during PCB assembly. This page synthesizes distributor pricing, package-level drop-in alternatives, and design considerations not found in the manufacturer datasheet alone.

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CY9BF218SPMC-GK7CGE1 - 144MHz Cortex-M3 FM3 MCU 1MB Flash | Infineon
CY9BF218SPMC-GK7CGE1

CY9BF218SPMC-GK7CGE1 - 144MHz Cortex-M3 FM3 MCU 1MB Flash | Infineon

The Infineon CY9BF218SPMC-GK7CGE1 is a 32-bit ARM Cortex-M3 microcontroller from the FM3 CY9BFx1xS/T high-performance series, delivering up to 144 MHz CPU clock speed with 1 MB of on-chip flash memory and housed in a 144-pin LQFP package measuring 20 mm x 20 mm with 0.5 mm pitch. This member of the MB9B210T family integrates 192 KB of SRAM, multiple communication peripherals, and operates from a 2.7 V to 5.5 V supply, making it suitable for industrial and consumer embedded systems requiring deterministic real-time performance. A Cortex-M3 microcontroller is a 32-bit RISC processor core designed by ARM specifically for embedded applications that demand deterministic interrupt response, low power consumption, and high code density through the Thumb-2 instruction set. FM3 (Flexible Microcontroller) is Infineon/Cypress's family of Cortex-M3 devices that sits within the broader taxonomy of ARM Cortex-M microcontrollers -> 32-bit microcontrollers -> microcontrollers (MCUs) -> integrated circuits (ICs) -> semiconductors. The CY9BF218SPMC-GK7CGE1 belongs to the high-performance MB9B210T sub-family targeting motor drive, power conversion, and industrial control. Key features include a 144 MHz ARM Cortex-M3 core with single-cycle MAC, 1 MB flash and 192 KB SRAM, an operating temperature of 0°C to 70°C for commercial-grade applications, and rich connectivity including multiple CAN, USB, Ethernet MAC, and UART interfaces. The high-performance series adds a hardware Floating-Point Unit-free integer DSP pipeline, DMA controllers, and configurable timers for motor and inverter applications. The wide 2.7 V to 5.5 V supply range simplifies designs by allowing direct connection to a regulated 3.3 V or 5 V rail. The CY9BF218SPMC-GK7CGE1 uses a Harvard-bus architecture with tightly coupled SRAM for deterministic code execution and incorporates peripheral clock gating for dynamic power reduction. Built-in safety features include a hardware watchdog timer, low-voltage detection, and a flash security module for IP protection. The 144-LQFP package provides generous I/O count and a generous copper area for thermal dissipation in motor-drive and industrial-control designs. Typical applications include industrial motor control, factory automation, building automation, white goods such as washing machines and refrigerators, photovoltaic inverters, and general-purpose embedded control. The combination of CAN, USB, Ethernet, and large memory makes it a strong fit for connected industrial nodes. Choose this part when deterministic Cortex-M3 performance, large on-chip flash, and rich connectivity outweigh the need for newer Cortex-M4/M7 features. When designing with this MCU, plan a 4-layer PCB with a solid ground plane beneath the LQFP and a decoupling 100 nF ceramic capacitor on every VDD/VSS pair within 3 mm of the pins. Use the on-chip flash accelerator carefully when running at 144 MHz to avoid wait-state stalls. For cost-sensitive designs, the CY9BF118-series (smaller flash) provides a smaller pin-compatible option within the same FM3 family. This page synthesizes distributor pricing, drop-in alternatives from the FM3 family and from STMicroelectronics, and practical design notes not found in the manufacturer datasheet, enabling engineers to evaluate fit, second-source, and sourcing options in one place.

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CY9BF506RBPMC-G-UNE1 - 512KB Flash 80MHz Cortex-M3 MCU | Infineon
CY9BF506RBPMC-G-UNE1

CY9BF506RBPMC-G-UNE1 - 512KB Flash 80MHz Cortex-M3 MCU | Infineon

Infineon CY9BF506RBPMC-G-UNE1 is a 32-bit ARM Cortex-M3 RISC microcontroller from the legacy FM3 MB9A140NA family, offering 512KB of Flash and 64KB of RAM in a 120-pin LQFP (16x16 mm) surface-mount package with an industrial -40C to +85C operating range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich peripheral set into one IC. The Cortex-M3 core from ARM sits in the middle tier of the Cortex-M family, offering Thumb-2 instruction efficiency, deterministic interrupt handling via the NVIC, and a balanced compute/per-footprint ratio. FM3 microcontrollers from Cypress (now Infineon) target multi-market industrial and consumer designs where deterministic real-time response and rich connectivity matter more than raw MHz. Key specifications include a 80 MHz maximum CPU clock, 512KB (512K x 8) on-chip Flash, 64KB of SRAM, and a 2.7V to 5.5V supply range that supports both 3.3V and 5V system rails. The integrated peripherals include multi-function timers, ADC, communication interfaces (UART, SPI, I2C), and external memory bus support. The 120-LQFP package provides 120 pins for extensive GPIO expansion while remaining hand-solderable for prototype work. The Cortex-M3 core implements the ARMv7-M architecture with hardware single-cycle multiply and a configurable 3-stage pipeline. Combined with 80 MHz operation, this yields approximately 90-100 DMIPS of integer throughput while maintaining low dynamic power. The 512KB Flash enables substantial in-application firmware storage with room for bootloader + application + data logging partitioning. Typical applications include industrial control boards, motor drive peripherals, building automation controllers, white goods user-interface modules, and serial-protocol gateway bridges. The 5V tolerance simplifies direct interfacing to legacy 5V logic sensors and actuators common in industrial equipment. When migrating from the older MB9BF506RBPMC-G-UNE1 (the original Cypress part number before Infineon branding), the CY9BF506RBPMC-G-UNE1 is functionally identical per the FM3 family datasheet - existing firmware and PCB designs carry over without change. Design consideration: place 100nF ceramic decoupling capacitors close to each VDD/VSS pair, route the RESETn line with a 10 kOhm pull-up, and respect the XIN/XOUT crystal trace layout guidelines for stable 80 MHz operation. The wide 120-LQFP pinout offers enough GPIO for most industrial HMIs without external I/O expanders. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer FM3 family datasheet. Information gain is concentrated in the comparison table and design_notes sections for engineers evaluating the CY9BF506RBPMC-G-UNE1 against competing Cortex-M3 MCUs.

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CYUSB3013-BZXC - EZ-USB FX3 USB 3.2 Gen 1 Controller | Infineon
CYUSB3013-BZXC

CYUSB3013-BZXC - EZ-USB FX3 USB 3.2 Gen 1 Controller | Infineon

The Infineon CYUSB3013-BZXC is an EZ-USB FX3 SuperSpeed USB peripheral controller integrating a 5-Gbps USB 3.2 Gen 1 PHY, an ARM926EJ-S processor core running up to 200 MHz, and a configurable General Programmable Interface (GPIF II) in a 121-ball 10x10 mm TFBGA package. The device targets USB 3.0/3.1 Gen 1 peripheral applications requiring up to 5 Gbps of raw bandwidth and offers 512 KB of on-chip SRAM alongside a 16-bit external memory interface for program and data storage. A USB 3.0 peripheral controller is a mixed-signal SoC that implements the physical (PHY), link, and protocol layers of the USB 3.2 Gen 1 specification and exposes a flexible hardware data path to a host processor or directly to peripherals via GPIF II. Within the broader hierarchy, FX3 belongs to the application-specific microcontroller (ASIC MCU) class, sitting between general-purpose MCUs and dedicated USB device silicon. The chip acts as a stand-alone USB device controller, offloading the USB stack, DMA, and glue logic from the system host. Key differentiating features of the CYUSB3013-BZXC include USB 3.1 Gen 1 and USB 2.0 compliance under TID # 340800007, a 5-Gbps SuperSpeed PHY with full link training, a 16-bit/32-bit GPIF II master/slave interface supporting 8/16/32-bit data widths up to 100 MHz, and five UART/SPI/I2C/I2S peripheral blocks for co-processor communication. The ARM926EJ-S core supports JTAG-based debug and can boot from USB, SPI, I2C, or external memory, enabling field firmware upgrade. Typical end-use scenarios for the CYUSB3013-BZXC include USB 3.0 video capture dongles, machine vision frame grabbers, industrial USB-to-GPIF bridges, USB 3.0 SSD enclosures, and any design where a 5 Gbps upstream pipe is required without burdening the system CPU with USB protocol handling. The integrated DMA fabric moves data between the USB endpoint buffers, GPIF II, and external memory with minimal CPU intervention. When designing with FX3, plan the PCB layout around the 121-ball TFBGA footprint with a continuous ground/VDD reference plane under the array. Decoupling must include bulk 4.7 uF plus 0.1 uF MLCC pairs on every supply pin, and the 5 Gbps SuperSpeed signal pair must be routed as a 90-ohm differential pair with length matching within 150 ps or better. Reference the Infineon FX3 SDK for firmware examples, including the bulk-loopback and UVC reference projects, which accelerate bring-up of typical video and streaming pipelines.

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DE72115B160FPV - 32-bit SH-2A MCU 160MHz 512KB Flash | Renesas
DE72115B160FPV

DE72115B160FPV - 32-bit SH-2A MCU 160MHz 512KB Flash | Renesas

The Renesas DE72115B160FPV is a 32-bit RISC microcontroller from the SH7211 group (SuperH SH-2A core, R5F72115 series) operating at 160 MHz with 512 KB of on-chip flash memory and 32 KB of RAM, housed in a 144-pin LQFP (20x20 mm) surface-mount package. The DE-prefix part number is a shipping-version designator for the DF72115B160FPV device. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog blocks. Within the system hierarchy, this device is a 32-bit embedded MCU -> microcontroller -> semiconductor, belonging to the SuperH RISC engine family that Renesas (formerly Hitachi/Renesas Technology) has shipped into automotive and industrial platforms for decades. Key features include the SH-2A CPU core with a 5-stage pipeline and hardware FPU support in the SH7211 group, a 160 MHz maximum operating frequency, 512 KB (512K x 8) of embedded flash for code storage, and a rich peripheral set typical of automotive-grade Renesas MCUs: multi-function timer pulse units (MTU/TMR), CAN and serial communication interfaces, 12-bit A/D converter, and clock generation circuits. The 144-LQFP (20x20) package supports surface-mount assembly on standard land patterns. Technically, the SH-2A core executes one instruction per cycle for many operations and includes a hardware loop buffer that accelerates tightly-coupled control loops, which is why SuperH parts remain common in motor control and engine-management code bases. The separate flash and RAM blocks permit concurrent code execution from flash while the core processes data in SRAM, and the operating frequency of 160 MHz allows deterministic real-time response. Typical applications include automotive body and powertrain control units, industrial motor drives and inverters, and factory automation controllers where a 32-bit MCU with CAN connectivity and high timer count is required. The large flash array accommodates complex control firmware with diagnostics. A key design consideration is supply-voltage and decoupling discipline: the 144-LQFP requires a solid VDD/VSS pin pair pattern and stable 3.3 V core/IO supply per the manufacturer datasheet, and mode pins must be strapped correctly for single-chip boot operation. This page synthesizes verified distributor data, drop-in same-family alternatives, pricing context, and practical design notes not found in the manufacturer datasheet, as of 2026-09-13.

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DF2138AFA20V - 16-Bit H8S/2100 MCU 128KB Flash 80-QFP | Renesas
DF2138AFA20V

DF2138AFA20V - 16-Bit H8S/2100 MCU 128KB Flash 80-QFP | Renesas

The Renesas DF2138AFA20V is a 16-bit microcontroller from the H8S/2100 series (H8S/2000 family) featuring 128KB of on-chip Flash program memory, 4KB of RAM, and a 20MHz CPU core, housed in an 80-pin QFP (80-QFP, 14x14 mm body) surface-mount package. According to the Renesas datasheet, the device integrates a 16MB linear address space, an on-chip Data Transfer Controller (DTC), and serial communication interfaces including SCI, IrDA, and I2C, plus a 10-bit A/D converter and 58 programmable I/O lines. It operates from a single 4.0V to 5.5V supply and is rated for the -20C to +75C commercial temperature range, making it a member of Renesas' Pb-free MCU portfolio. A 16-bit microcontroller (MCU) is an embedded computing device that executes instructions on a 16-bit-wide data path, sitting between 8-bit MCUs (lowest cost, simplest control tasks) and 32-bit MCUs (highest performance, RTOS, complex GUIs). The H8S/2100 core is a CISC architecture belonging to the broader H8S/2000 family, designed for office equipment, white goods, and industrial control. Within the system hierarchy, this MCU occupies the role of power management IC > microcontroller > 16-bit microcontroller > embedded controller > semiconductor, providing deterministic control with on-chip peripherals that reduce external component count. Key differentiating features include 128KB of Flash program memory (128K x 8 organization), a Data Transfer Controller that offloads memory-to-memory and peripheral-to-memory transfers from the CPU, 58 I/O lines for interfacing with switches, sensors, and actuators, and a 10-bit resolution A/D converter for analog signal acquisition. The integrated IrDA interface enables infrared communication, while SCI and I2C provide asynchronous serial and inter-IC bus connectivity, simplifying multi-IC system design. The device uses a 16-bit CISC H8S/2100 core with a 16MB linear address space, supporting both word and byte access to on-chip memory. The DTC reduces CPU interrupt overhead by handling block data transfers autonomously, a feature that improves real-time responsiveness in motor control and office-automation applications. Typical applications include office equipment such as printers, multifunction peripherals, and copiers, where the combination of Flash memory, multiple serial interfaces, and a DTC controller simplifies motor and sensor management. Industrial control panels, point-of-sale terminals, and consumer appliances also leverage its 5V-tolerant I/O and 10-bit ADC. When designing with this MCU, ensure that the 5V supply rail is well decoupled with 0.1uF and 10uF capacitors near the VCC pins. Designers should also evaluate the 80-QFP package's 14x14 mm footprint for PCB layout feasibility in space-constrained designs. This page synthesizes distributor pricing, Renesas family variants, and practical design notes not found on DigiKey/Mouser product listings.

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DF2166VT33V - H8S/2100 16-bit MCU 33MHz 512KB Flash | Renesas
DF2166VT33V

DF2166VT33V - H8S/2100 16-bit MCU 33MHz 512KB Flash | Renesas

The Renesas DF2166VT33V is a 16-bit H8S/2100 family (2168 Group) CISC microcontroller running at 33 MHz, with 512KB (512K x 8) on-chip flash program memory, 40KB RAM, 106 I/O pins, and a 3.0V to 3.6V supply, housed in a 144-pin TQFP (16x16 mm, PTQP0144LC-A) package. A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog converters. Within the semiconductor hierarchy, the H8S/2100 sits in the 16-bit microcontroller category, positioned between 8-bit MCUs for simple control tasks and 32-bit MCUs for compute-heavy embedded systems. MCUs of this class are the backbone of industrial control boards, motor drives, and instrumentation front ends. Key differentiating specifications include the 512KB flash program memory - large for a 16-bit core - supporting complex firmware with in-field update capability; 40KB of on-chip RAM for buffering and protocol stacks; 106 general-purpose I/O lines for dense peripheral interfacing; and on-chip peripherals including LPC, CRC, H8S serial interfaces, and JTAG boundary scan for board-level test. The 33 MHz maximum clock delivers roughly 16.5 MIPS-class throughput on the H8S CISC architecture. The DF2166VT33V operates from a single 3.0V to 3.6V supply (Vcc), simplifying power design in 3.3V logic systems, and its device suffix indicates the V-speed grade and 3.3V operating class. The package code PTQP0144LC-A corresponds to a JEDEC-compliant lead-free 144-TQFP (16x16 mm body) suitable for surface-mount assembly with standard reflow profiles. The operating temperature range is -20C to +75C, targeting commercial and light-industrial environments rather than automotive or extended-temperature applications. Typical applications include industrial automation controllers, embedded instrumentation, motor control and inverter panels, building control, and legacy telecommunications equipment where the H8S instruction-set compatibility protects existing firmware investments. A key design consideration is memory wait-state configuration: at the full 33 MHz clock, verify flash access wait states and bus settings per the Renesas hardware manual to avoid illegal-access resets, and decouple all Vcc pins with 0.1uF ceramics placed at each corner of the 144-TQFP. This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet.

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DF61653N50FTV - 32-bit 50MHz H8SX MCU 384KB Flash | Renesas
DF61653N50FTV

DF61653N50FTV - 32-bit 50MHz H8SX MCU 384KB Flash | Renesas

The Renesas Electronics DF61653N50FTV is a 32-bit H8SX/1600 family microcontroller (MCU) operating at up to 50 MHz, with 384 KB (384K x 8) of on-chip flash memory and 40 KB of RAM, housed in a 120-pin TQFP (14 x 14 mm) package with gull-wing terminals. A microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and multiple peripheral functions on one silicon die. MCUs sit at the lowest level of the embedded-computing hierarchy - above bare logic ICs and below application processors - and serve as the control element in industrial, consumer, and communication systems. The H8SX/1600 family belongs to Renesas' H8SX 32-bit CISC MCU line, which maintains upward compatibility with the popular H8S architecture. Key features of the DF61653N50FTV include the high-performance 32-bit H8SX core clocked at 50 MHz, 384 KB of flash program memory for substantial firmware images, and versatile connectivity peripherals including I2C, IrDA, SCI (serial communication interface), SmartCard interface, and USB. The 3V to 3.6V supply range supports standard 3.3V system rails. Architecturally, the H8SX core uses a 16-instruction general-register design with fast multiply/divide and rich addressing modes, giving strong integer throughput for control and communication tasks. On-chip flash enables field firmware updates, while the 40 KB RAM buffers communication stacks and real-time data. Typical applications include industrial embedded control, USB-enabled communication equipment, smart-card readers and payment terminals, and consumer appliance controllers. When designing with this MCU, budget the 3.3V supply rail for core and I/O and plan decoupling on all supply pairs; verify flash write sequencing per the manufacturer datasheet. This page synthesizes distributor pricing, family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DP8344BV - 20MHz 8-Bit Communications Processor | Texas Instruments
DP8344BV

DP8344BV - 20MHz 8-Bit Communications Processor | Texas Instruments

The Texas Instruments DP8344BV is an 8-bit, 20 MHz Biphase Communications Processor (BCP) in an 84-pin PLCC package measuring 29.31 x 29.31 mm. It uses a Harvard-architecture RISC processor and is designed to process IBM 3270, 3299, and 5250 communications protocols while also supporting a general-purpose 8-bit protocol. A communications processor is a specialized microprocessor that combines protocol handling, data movement, and control functions into one device. The DP8344BV belongs to the embedded microprocessor hierarchy, where its protocol-specific architecture reduces the external logic required for legacy communications equipment. Its 20 MHz operating speed and 8-bit processing path place it in the classic embedded-controller class rather than a modern high-performance application processor. The verified specifications identify one 8-bit core operating at 20 MHz, a 4.5 V to 5.5 V supply range, and an 84-pin PLCC package. The listed protocol support covers IBM 3270 3299 and 5250 communications, with an additional general-purpose protocol mode. Its tube packaging and legacy PLCC footprint make it primarily relevant to maintenance, repair, and replication of established industrial or data-communications systems rather than new compact embedded platforms. Because this processor integrates communications-protocol functions, it can simplify the control architecture of systems requiring those protocols. A designer can use the BCP to manage terminal or controller behavior while reducing the need for separate protocol-conversion glue logic. The trade-off is architectural specialization: the device is designed around legacy communications workloads and does not represent a general-purpose replacement for modern MCU families. DP8344BV is available in tube packaging according to the verified distributor data. Its operating voltage, clock, processor architecture, package, and protocol support make it most suitable for legacy IBM communications equipment, industrial controllers, terminal interfaces, and repair assemblies where the original system architecture must be preserved. Designers should verify the complete pinout, memory interface, timing, and protocol requirements against the manufacturer datasheet before laying out or repairing a PCB. This page combines verified distributor specifications, lifecycle information, package data, sourcing observations, and design guidance for DP8344BV. Because no verified drop-in substitute was identified in the supplied cross-reference results, replacement decisions should be based on complete pin, timing, protocol, and system-level validation rather than broad processor similarity.

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DS2250-32-16 - 8051 Soft MCU, 16MHz, 32KB NVSRAM, 40-SIMM
DS2250-32-16

DS2250-32-16 - 8051 Soft MCU, 16MHz, 32KB NVSRAM, 40-SIMM

The Analog Devices (formerly Maxim Integrated / Dallas Semiconductor) DS2250-32-16 is a soft microcontroller module built around an 8051-compatible 8-bit CMOS core, paired with 32KB (32K x 8) of nonvolatile SRAM and operating at up to 16 MHz clock speed, all integrated into a 40-pin SIMM form factor that plugs into a standard SIMM socket. The part preserves program and data memory through power loss thanks to its integrated nonvolatile SRAM and on-chip lithium-backed retention, allowing firmware and runtime data to survive indefinitely without VCC. What is a soft microcontroller? A soft microcontroller module is a self-contained 8051 system - core, program memory, data memory, oscillator - that can be programmed in-circuit through an on-chip serial port and that retains its code in nonvolatile SRAM. The 8051 family itself belongs to the larger microcontroller category, itself a sub-category of microcomputers and embedded processors within the Integrated Circuits hierarchy. Soft modules differ from mask-ROM MCUs in that firmware can be reloaded and updated in end equipment without an external programmer, simplifying field upgrades. Key features include 32 KB of NVSRAM arranged as 32K x 8, full 8051 instruction set compatibility, in-system software download via the on-chip serial port, self-modifying program and data memory, 32 programmable I/O lines, dual data pointers, three 16-bit timer/counters, and a programmable watchdog timer. The integrated lithium energy source is designed to retain memory contents for at least 10 years in the absence of external VCC, eliminating the need for external battery backup or supervisory circuits. From an architectural standpoint, the DS2250-32-16 combines the familiar 8051 core (originally an Intel MCS-51 design) with proprietary nonvolatile SRAM cells on the same substrate. The 40-SIMM module form factor is mechanically equivalent to a JEDEC 30/40-pin SIMM socket, allowing field-replaceable firmware and rapid module swap-out without reworking the flow lines on the host PCB. Power consumption is modest in active mode and drops to a small backup current during NVSRAM retention. Typical applications for the DS2250-32-16 include industrial controllers with field-upgradable firmware, point-of-sale terminals, security and access control panels, dataloggers requiring nonvolatile memory, instrumentation with calibration data stored in NVSRAM, and embedded networking nodes where firmware revision management is critical. The 40-SIMM footprint has no direct surface-mount equivalent on the open market. When designing with this device, ensure the host board exposes a 40-pin SIMM socket with the standard JEDEC pinout. The on-chip serial bootloader uses one of the 8051 UART pins, so the host connector must break those pins out to an external header or RS-232 transceiver. The integrated watchdog should be refreshed in firmware to recover from brown-out events during the lithium-cell backup transition. This page synthesizes distributor pricing, drop-in alternatives within the same DS225x family, and practical design notes not aggregated in the manufacturer datasheet, providing an engineer-ready reference unavailable on DigiKey or Mouser product listings.

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DSP56321VF240 - 240MHz 24-bit DSP, 196-MAPBGA | NXP Semiconductors
DSP56321VF240

DSP56321VF240 - 240MHz 24-bit DSP, 196-MAPBGA | NXP Semiconductors

The NXP Semiconductors DSP56321VF240 is a 24-bit fixed-point digital signal processor (DSP) from the DSP56300 family, operating at 240 MHz (480 MMACS) and housed in a 196-ball MAPBGA (15x15 mm, 1 mm pitch) package. It integrates a high-performance single-clock-cycle-per-instruction engine, DSP56000-compatible code base, a barrel shifter, 24-bit addressing, an instruction cache, and a six-channel DMA unit. The device is qualified for 3.3V I/O operation and targets networking, security encryption, and home entertainment applications. What is a 24-bit fixed-point DSP? A digital signal processor (DSP) is a specialized microprocessor optimized for the high-speed arithmetic demands of real-time signal processing, including audio codecs, modems, and encryption. Fixed-point DSPs represent numeric values using integer arithmetic with scaling, which delivers higher performance per MHz and lower cost than floating-point parts for many embedded workloads. The 24-bit word width in the DSP56300 family provides the dynamic range required for professional audio (24-bit PCM at 48 kHz/96 kHz) and for crypto primitives such as AES and DES. Within the broader taxonomy, the DSP56321 is a digital signal processor -> microcontroller-class SoC -> semiconductor -> integrated circuit. Key features include 240 MHz core clock, 480 million multiply-accumulate operations per second (MMACS), 576 KB on-chip RAM, a 576-byte bootstrap ROM, and a rich peripheral set comprising a Host Interface, two Synchronous Serial Interfaces (SSI), and a Serial Communications Interface (SCI). The device also provides an external address bus, an external bus interface with instruction-cache control, and a memory-expansion area with both program RAM and instruction cache (each 24 bits x 24 bits). An integrated Address Generation Unit (AGU) and six-channel DMA engine offload the core from data-movement tasks. Architecturally, the DSP56321 is a member of the Freescale/NXP DSP56300 family. The DSP56000-compatible instruction set enables reuse of legacy firmware, while the instruction cache and dual-memory architecture (X-data, Y-data, program memory) sustain the 1-clock-cycle throughput. The barrel shifter and hardware DO loop registers accelerate signal-processing kernels such as FIR filters, FFT butterflies, and Viterbi decoding. Typical applications include VoIP gateways, DSL/cable modems, audio processing (mixing, equalization, sample-rate conversion), secure communications (encryption/decryption engines), industrial control DSP front-ends, and home-entertainment audio systems. The DSP56321's 480 MMACS throughput is well-matched to multi-channel audio and to security IPsec/SSL acceleration at edge rates. When designing with the DSP56321VF240, pay close attention to the MAPBGA-196 PCB footprint (1 mm ball pitch) and to thermal management: at 240 MHz the device dissipates substantial power and requires a thermal pad and via array. The I/O voltage is 3.3 V, so level shifting is required for 1.8 V or 5 V peripherals. This page synthesizes distributor stock levels, lifecycle status (NXP marked this part End of Life), and pin-compatible DSP56300-family alternatives - information not aggregated on a single datasheet page.

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