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PIC18F55K42-E/MV - 8-bit MCU, 32KB Flash, 48-pin UQFN | Microchip
PIC18F55K42-E/MV

PIC18F55K42-E/MV - 8-bit MCU, 32KB Flash, 48-pin UQFN | Microchip

The Microchip PIC18F55K42-E/MV is an 8-bit PIC18 RISC microcontroller with 32KB Flash, 2KB SRAM and 256B EEPROM, housed in a 48-pin UQFN-EP package with operating voltage range of 2.5V/3.3V/5V. According to the Microchip product page, it integrates core-independent peripherals (CIPs), intelligent analog (12-bit ADC2, 5-bit DAC, comparators), DMA, vector interrupts, and Device Information Area (DIA) storage. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of on-chip peripherals. The PIC18 family uses Microchip's enhanced 8-bit RISC architecture with hardware multiplier and 16-bit instructions, sitting above baseline PIC10/12/16 parts in capability. The K42 sub-family targets low-power XLP-class designs while adding a high-resolution PWM and 12-bit ADC2 analog front-end, making it a power-management IC class part for embedded control nodes. Key features include 32KB self-programmable Flash with code protection, configurable oscillator modes up to 64MHz internal, 12-bit ADC2 with Computation (ADCC) capability, 10-bit DAC, multiple Zero-Cross Detect comparators, Complementary Waveform Generator (CWG), and 4 Slices of Capture/Compare/PWM (CCP). Communications include UART, I2C, SPI, and CLC (Configurable Logic Cell) for hardware glue logic. Architecturally, the PIC18F55K42-E/MV uses an 8-bit data path with a 16-bit instruction word Harvard architecture, featuring 31-level stack hardware call/return, priority-vector interrupt controller with shadow register sets, and Peripheral Pin Select (PPS) for flexible I/O mapping. The 12-bit ADCC provides averaging, oversampling, and burst-averaging modes that offload CPU cycles. Typical applications include IoT sensor nodes, BLDC motor control (FOC firmware) using the CWG and PWM peripherals, industrial HMI/touch sensing, and home appliance control panels. The wide-voltage 2.3V–5.5V range with XLP eXtreme Low Power support enables long battery-life designs. When designing with this MCU, reserve PPS mapping early because most peripherals share pins. The UQFN-EP package requires thermal vias under the exposed pad to dissipate up to 0.6W and meet solder-joint reliability. This page synthesizes Microchip product-page data, drop-in alternatives within the PIC18FxxK42 family, and practical design notes not consolidated on a single distributor page.

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PIC18F55K42-E/PT - 32KB Flash 8-bit MCU 48-TQFP | Microchip
PIC18F55K42-E/PT

PIC18F55K42-E/PT - 32KB Flash 8-bit MCU 48-TQFP | Microchip

The Microchip Technology PIC18F55K42-E/PT is an 8-bit PIC microcontroller built on the enhanced mid-range core with a 64 MHz CPU speed, integrating 32 KB of Flash, 2 KB of SRAM, and 256 bytes of EEPROM in a 48-pin TQFP-EP (7x7 mm) package with exposed thermal pad. It belongs to the PIC18FxxK42 family and features the eXtreme Low Power (XLP) technology plus intelligent analog and Core Independent Peripherals (CIPs). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), peripherals, and I/O on one die. The PIC18FxxK42 family sits within the 8-bit PIC18 hierarchy under Microchip's broader MCU portfolio, targeting cost-sensitive embedded designs where deterministic real-time behavior, low power, and rich analog integration matter more than raw computational throughput. Designers select 8-bit PICs when they need reliable behavior in noisy environments with minimal external components. Key specifications include a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two comparators with selectable references, multiple PWM modules with complementary outputs, DMA controller, Memory Access Partition (MAP) for bootloader write protection, Device Information Area (DIA), vectored interrupts with programmable priority, and a programmable Interrupt Vector Table. The 48-TQFP-EP package exposes a thermal pad enabling higher dissipation in industrial temperature grades. The architecture features the enhanced mid-range 8-bit CPU executing most instructions in a single cycle, yielding up to 16 MIPS at 64 MHz. Hardware DMA moves data between memory and peripherals without CPU intervention, freeing the core for application logic. CIPs such as the CWG, NCO, and configurable logic cells let signal generation, timing, and glue logic run autonomously. Typical applications include industrial sensing nodes, motor control with FOC, IoT edge sensor hubs, consumer white goods, smart metering, and automotive body controllers. The combination of vectored interrupts and CIPs makes the part well suited to deterministic control loops. The 32 KB Flash and 256-byte EEPROM suit moderate code sizes with runtime-tunable parameters. When designing with the PIC18F55K42-E/PT, place decoupling capacitors close to every VDD/VSS pair, route the exposed pad to a continuous ground copper pour for thermal relief, and reserve the MAP region early in firmware planning if a bootloader is required. This page synthesizes distributor pricing, cross-family alternatives within the PIC18 K42/Q43 generations, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F55K42-I/MV - 8-Bit 64MHz MCU, 32KB Flash, 48-UQFN | Microchip
PIC18F55K42-I/MV

PIC18F55K42-I/MV - 8-Bit 64MHz MCU, 32KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC18F55K42-I/MV is an 8-bit RISC microcontroller from the PIC18 XLP family, delivering 64 MHz CPU performance with 32 KB Flash, 2 KB SRAM, and 256 bytes EEPROM in a 48-pin UQFN (6x6 mm) package with exposed pad. It integrates Core Independent Peripherals (CIPs), a 12-bit ADC2 with Computation, DMA, Vector Interrupts, Memory Access Partition (MAP), Device Information Area (DIA), a 5-bit DAC, comparators, and PWM peripherals on-chip. An 8-bit PIC microcontroller is a Harvard-architecture RISC CPU with separate program and data buses, optimized for deterministic real-time control. Within Microchip's taxonomy the part belongs to PIC18 (high-performance 8-bit) -> PIC microcontroller -> microcontroller -> embedded controller -> semiconductor. The XLP (eXtreme Low Power) family extends this lineage with nanoWatt sleep modes that allow battery-powered nodes to remain active for years on a single cell. Key differentiating features include DMA-capable peripherals that move data without CPU intervention, a vectored interrupt controller with two programmable priority levels, two-level hardware context saving, and CIPs such as CLC, NCO, PWM and the configurable logic cell that let designers build state machines in hardware. The 12-bit ADC2 includes automated averaging, threshold comparison, and zero-crossing detection that offload typical signal-chaining math from the core. The architecture uses a 16-bit instruction word with 8-bit data path and an internal 64 MHz oscillator; instruction execution is four clock cycles. The MV package suffix denotes the 48-pin UQFN (MV) industrial-grade (-40 C to +85 C) variant, distinguished from the low-power PIC18LF55K42 sibling only by its operating voltage range (2.3-5.5 V vs 1.8-3.6 V). Hardware CTE (code-protection) and ICD/ICSP debug pins are present. Typical applications include consumer appliance control, IoT sensor hubs, low-power wireless gateways (paired with RN2483 or MRF24XA), USB-CDC human-interface devices, industrial LED drivers, and small motor-control BLDC fans. The high pin count makes the device well-suited to systems that previously required 40-pin parts but now need more I/O for capacitive touch or segmented displays. A practical design tip: place a 100 nF decoupling capacitor on every VDD/AVDD pair and a bulk 10 uF near the package exposed pad; the EP must be soldered to the ground plane for thermal dissipation and signal integrity. Use the MAP feature to lock the bootloader region from accidental erase. This page consolidates current distributor pricing, drop-in alternatives, and practical design notes not gathered in the manufacturer datasheet alone, allowing engineers to evaluate the PIC18F55K42-I/MV against modern 8-bit and 32-bit alternatives before committing to a BOM line.

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PIC18F55K42-I/PT - 8-Bit 64MHz 32KB Flash MCU 48-TQFP-EP | Microchip
PIC18F55K42-I/PT

PIC18F55K42-I/PT - 8-Bit 64MHz 32KB Flash MCU 48-TQFP-EP | Microchip

The Microchip Technology PIC18F55K42-I/PT is a 48-pin PIC18 XLP 8-bit microcontroller built on a RISC architecture with a 64 MHz CPU speed (16 MIPS), integrating 32 KB Flash, 2 KB SRAM, 256 B EEPROM, and a 12-bit ADC with computation (ADC2) in a 48-pin TQFP-EP (7x7 mm) package. As part of the PIC18FxxK42 family, the device combines core independent peripherals (CIPs), intelligent analog, and XLP extreme low-power technology in a single chip, targeting both battery-powered and line-powered embedded designs. A PIC microcontroller (Programmable Interface Controller, or MCU) is a compact, low-cost, low-power embedded computer built around a Harvard-architecture RISC core with on-chip Flash, RAM, EEPROM, and a peripheral set (timers, ADC, communications). It belongs to the microcontroller > embedded MCU > semiconductor hierarchy and serves as the central processing unit of countless consumer, industrial, automotive, and IoT systems. PIC18F devices are Microchip's mid-range 8-bit family with 16-bit instructions and rich interrupt handling, bridging the gap between PIC16 baseline parts and PIC24/dsPIC 16-bit devices. Key features of the PIC18F55K42 include 49 digital I/O pins, multiple serial interfaces (UART, SPI, I2C), 12-bit ADC2 with up to 43 analog channels, multiple 8/16-bit timers, DMA controller, vectored interrupt controller, and an on-chip 64 MHz internal oscillator. The XLP technology delivers nanoWatt sleep currents suitable for battery applications, while core independent peripherals (CLC, NCO, PWM, SMT, CCP) can operate without CPU intervention. Typical applications include industrial sensor nodes, low-power IoT edge devices, home appliance control boards, automotive body and lighting modules, USB/HID peripherals, and consumer electronics requiring 5 CAN communication over multiple serial protocols. The wide 2.5 V to 5.5 V supply range and small TQFP-EP footprint simplify layout in space-constrained multi-layer PCBs. When designing with the PIC18F55K42-I/PT, allocate adequate ground copper under the exposed pad (EP) to dissipate package thermal power and to provide a low-impedance ground return. Use Microchip's MPLAB X IDE and XC8 compiler for code development; the device is supported by all major PIC programmers/debuggers including ICD 4, PICkit 4, and MPLAB SNAP. This page synthesizes verified distributor pricing, drop-in same-package alternatives (PIC18F46K42, PIC18F56K42, PIC18F57K42 from the same family), and practical design notes not found in the manufacturer datasheet alone.

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PIC18F55K42T-I/MV - 32KB Flash 8-bit MCU, 48-UQFN | Microchip
PIC18F55K42T-I/MV

PIC18F55K42T-I/MV - 32KB Flash 8-bit MCU, 48-UQFN | Microchip

The Microchip Technology PIC18F55K42T-I/MV is an 8-bit PIC microcontroller in the PIC18 XLP 18K family, featuring 32KB Flash, 2KB RAM, and 256B EEPROM, packaged in a 48-pin UQFN (6x6 mm) with exposed pad. It operates at up to 64MHz across a 2.5V to 5.5V supply range and is supplied on tape and reel (T-I/MV suffix). This device integrates rich core-independent peripherals including DMA, vector interrupts, Memory Access Partition (MAP), Device Information Area (DIA), 12-bit ADC2, 5-/8-bit DAC, comparators with hysteresis, Zero-Cross Detect (ZCD), and a configurable Fixed Voltage Reference (FVR) at 1.024V, 2.048V, and 4.096V levels. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), small EEPROM for settings, and a rich set of on-chip peripherals such as timers, ADCs, communication controllers and interrupt logic. Within the broader taxonomy, the PIC18F55K42 belongs to the PIC18 8-bit RISC family, which itself sits under the Microchip 8-bit MCU line, ultimately a subset of microcontrollers -> microprocessors -> semiconductor devices. This category hierarchy helps place the part in the engineering knowledge graph alongside competing 8-bit families such as AVR and 8051 cores. Key differentiating features include XLP (eXtreme Low Power) technology with nanoWatt XLP sleep currents, programmable DMA for background data movement that offloads the CPU, vectored interrupts with hardware context saving, and CIP (Core Independent Peripherals) such as the 12-bit ADC2 with computation, CWG (Complementary Waveform Generator) and NCO (Numerically Controlled Oscillator). These features let designers implement complex timing, signal generation and sensor-processing tasks without CPU intervention. Architecturally, the part is built on an enhanced PIC18 Harvard RISC core with a 16-bit instruction word and 8-bit data path, augmented by a peripheral bus for DMA. The 64MHz internal oscillator (with PLL) provides instruction cycle throughput of 16 MIPS, while the 12-bit ADC2 supports up to 35 input channels depending on package, enabling direct interface to multiple analog sensors in industrial and consumer applications. Typical applications include industrial control panels, home appliance user interfaces, low-power IoT sensor nodes, automotive body and interior modules, LED lighting controllers, and small motor control boards. The wide 2.5V-5.5V supply range allows direct operation from a 3.3V or 5V rail, including battery or USB-derived supplies, while the exposed-pad UQFN package gives good thermal performance for sustained peripheral activity. When designing with this MCU, ensure the exposed pad is soldered to a sufficient copper pour for thermal relief and ground reference. Use the MAP feature to protect bootloader regions from accidental application writes, and leverage DMA to keep the CPU in XLP sleep for power-critical battery applications. The T-I/MV suffix indicates tape-and-reel packaging in the 48-pin UQFN. This page synthesizes distributor pricing, drop-in alternatives from the same PIC18 K42 family, and practical design notes not found in the manufacturer datasheet.

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PIC18F55Q43-E/6LX - 32KB Flash 8-bit MCU w/ 12-bit ADCC | Microchip
PIC18F55Q43-E/6LX

PIC18F55Q43-E/6LX - 32KB Flash 8-bit MCU w/ 12-bit ADCC | Microchip

The Microchip Technology PIC18F55Q43-E/6LX is an 8-bit PIC microcontroller in the PIC18-Q43 family with 32 KB Flash, 2 KB SRAM, and a 64 MHz CPU clock, housed in a 48-pin VQFN (6x6 mm) package. It integrates a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 12-bit DAC, three 16-bit PWMs, six DMA channels, five UARTs, and Configurable Logic Cells (CLCs) for hardware-level customization. A PIC microcontroller (Programmable Integrated Circuit MCU) is a compact single-chip computer that combines a CPU, Flash program memory, SRAM, and configurable peripherals on one silicon die. The PIC18 family sits in Microchip's 8-bit portfolio between the entry-level PIC16 and the 16-bit dsPIC families, offering a balanced mix of low cost, deterministic interrupt handling, and rich peripheral integration. It belongs to the broader category hierarchy MCU -> microcontroller -> embedded processor -> semiconductor IC. The Q43 sub-family emphasizes real-time control through direct-memory-access driven peripherals, allowing sensing, computation, and actuation without CPU intervention. Key features include 1.8V to 5.5V wide operating voltage, eXtreme Low Power (XLP) sleep modes with sub-uA currents, CIP (Core Independent Peripherals) such as the CLC, Zero-Cross Detect, and an 8-bit DAC with 5-bit Filter. Hardware-based capacitive touch sensing is supported via the ADCC's CVD (Capacitive Voltage Divider) front end, eliminating software jitter and reducing CPU load. These features make the part attractive for human-interface designs where deterministic behavior and low standby power both matter. The 64 MHz internal oscillator and 16-bit PWMs enable high-resolution motor, lighting, and power-conversion control loops. The six DMA channels move ADC and communication data autonomously, freeing the CPU for higher-level supervisory tasks. Combined with the CLCs, the device allows the designer to implement custom glue logic in silicon rather than in code, reducing latency and BOM. Typical applications include LED lighting drivers, BLDC motor control, capacitive-touch HMI panels, IoT sensor nodes, and industrial automation controllers. The wide 1.8V-5.5V range also supports battery-powered portable designs including wearables and remote controls. When designing, ensure the 6x6 mm VQFN thermal pad is soldered to a sufficient copper pour for heat dissipation, and review Microchip application note TB3128 for ADCC CVD touch-sensor PCB layout. The part's high peripheral density means firmware architecture should leverage DMA and CLCs to keep the 8-bit CPU from becoming a bottleneck. This page consolidates distributor pricing, drop-in compatible alternatives, and engineering design notes that complement the manufacturer datasheet and speed up the part-selection process.

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PIC18F55Q43-E/PT - 8-Bit 64MHz 32KB Flash MCU | Microchip
PIC18F55Q43-E/PT

PIC18F55Q43-E/PT - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip PIC18F55Q43-E/PT is an 8-bit PIC18 microcontroller from the PIC18-Q43 family, running at up to 64 MHz with 32 KB of Flash program memory, 2 KB of RAM, and packaged in a 48-pin TQFP (7x7 mm). It integrates Core Independent Peripherals including six DMA controllers, three 16-bit dual PWMs (six PWM outputs), a 12-bit Analog-to-Digital Converter with Computation (ADCC), an 8-bit DAC, and configurable logic cells (CLCs) for hardware-level customization. What is a PIC18 microcontroller? The PIC18 family is Microchip's enhanced 8-bit RISC architecture, sitting between the baseline PIC10/12/16 and the 16-bit dsPIC/PIC24 families. An 8-bit MCU executes one byte per instruction cycle, which is sufficient for cost-sensitive real-time control, sensor interfacing, and user-interface applications where deterministic timing and low power matter more than raw computational throughput. Key features include hardware-automated capacitive touch sensing via CVD techniques built into the ADCC, vectored interrupts with selectable high/low priority and three-cycle fixed latency, and XLP (eXtreme Low Power) technology for battery-friendly designs. The 12-bit ADCC with computation offloads averaging, filtering, oversampling, and threshold detection from the CPU, freeing cycles for application logic. Six DMA channels move data between peripherals and memory without CPU intervention, enabling deterministic response in motor control and power conversion. Typical applications include industrial sensor conditioning, IoT end nodes with capacitive touch interfaces, motor and fan control loops using the 16-bit PWMs, and low-cost user-interface panels. The extended (-40C to +125C) operating temperature and 64 MHz core make it appropriate for both commercial and industrial environments where reliability under thermal stress is required. When designing with this MCU, leave the NRST/MCLR pin accessible for in-circuit debugging and ensure the ADCC reference voltage is properly bypassed. Use the CLCs to implement glue logic in hardware and reduce code overhead, especially when replacing discrete logic or small state machines. This page synthesizes verified distributor pricing, drop-in PIC18 alternatives, and practical design notes beyond the manufacturer datasheet summary, structured for engineers evaluating this part for new designs and as a replacement candidate for legacy PIC18F45K22/PIC18F46K22 sockets.

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PIC18F55Q43-I/6LX - 64MHz 8-bit MCU 32KB Flash 48-VQFN | Microchip
PIC18F55Q43-I/6LX

PIC18F55Q43-I/6LX - 64MHz 8-bit MCU 32KB Flash 48-VQFN | Microchip

The Microchip Technology PIC18F55Q43-I/6LX is a 64 MHz 8-bit PIC microcontroller in the PIC18-Q43 family, offering 32 KB Flash, 2 KB RAM, and 48-pin VQFN (6x6 mm) packaging for space-constrained designs. It integrates a 12-bit Analog-to-Digital Converter with Computation (ADCC), three 16-bit PWMs, a 6-channel DMA, configurable logic cells (CLCs), and on-chip 8-bit DAC with comparator for advanced signal conditioning. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/RAM), and programmable peripherals. Within the broader taxonomy, this PIC18 part sits in the 8-bit MCU category -> microcontroller -> embedded processor -> semiconductor. The Q43 family emphasizes Core Independent Peripherals (CIPs) that execute hardware functions without CPU intervention, freeing the core for higher-level tasks and reducing firmware complexity for real-time control. Key features include 64 MHz operation, 32 KB self-programmable Flash, 2 KB SRAM, 256 bytes EEPROM, 36 I/O pins, and a 12-bit ADCC with up to 140 ksps conversion rate. The device also offers XLP (eXtreme Low Power) technology with sub-uA sleep currents suitable for battery-powered applications. The architecture combines an enhanced mid-range 8-bit CPU with a 32-level hardware stack, deterministic interrupt latency, and direct memory access that offloads data movement from the core. CIPs like the CLC, PWM, and ADCC enable autonomous sensor interfacing and motor control loops, which traditionally required external logic or heavy CPU code. Typical applications include capacitive touch sensing, LED lighting control, sensor signal conditioning, low-power IoT endpoints, and real-time motor drives. The wide operating voltage (1.8 V to 5.5 V) and small VQFN package suit compact, battery-powered or backplane-mounted designs. When designing with this part, allocate sufficient PCB copper under the exposed pad for thermal dissipation and verify VQFN-48 reflow profile. Consider using MPLAB X IDE with MCC (MPLAB Code Configurator) to graphically configure CIPs and accelerate firmware bring-up. This page combines distributor pricing, drop-in alternatives, and practical design guidance that supplements the Microchip datasheet (DS40002170E) with engineer-facing analysis.

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PIC18F56K42-E/MV - 64KB Flash 8-Bit MCU 48-UQFN | Microchip
PIC18F56K42-E/MV

PIC18F56K42-E/MV - 64KB Flash 8-Bit MCU 48-UQFN | Microchip

The Microchip Technology PIC18F56K42-E/MV is an 8-bit PIC microcontroller from the PIC18FxxK42 family, featuring 64KB of Flash program memory, 4KB of SRAM, and 256 bytes of EEPROM, all housed in a 48-pin UQFN (6x6 mm) package. It runs at a maximum clock of 64 MHz and integrates an extensive set of Core Independent Peripherals (CIPs) including a 12-bit ADC with Computation (ADC2), 8-bit DAC, multiple comparators, PWM modules, and Direct Memory Access (DMA) controllers. The device operates across a wide voltage range and supports the eXtreme Low Power (XLP) feature set for battery-friendly designs. What is a PIC18 microcontroller? PIC18 microcontrollers are 8-bit reduced instruction set (RISC) microcontrollers from Microchip Technology built on an enhanced Harvard architecture with 16-bit instructions and an 8-bit data path. They sit at the upper tier of the 8-bit PIC family, offering higher performance (up to 16 MIPS at 64 MHz), larger memory, and more peripherals than the baseline PIC10/12/16 families. They belong to the broader category of microcontrollers (MCU), which are single-chip computers containing CPU, memory, and I/O. PIC18 MCUs are widely used in industrial control, automotive body electronics, consumer appliances, and IoT edge nodes where deterministic 8-bit performance is preferred over 32-bit complexity. Key features include: 64KB self-programmable Flash, 4KB SRAM, 256B EEPROM, 12-bit ADC2 with automated averaging and threshold comparison, up to 36 I/O pins, multiple UART/SPI/I2C interfaces, 8-bit DAC, complementary output generators, and zero-cross detection. The CIPs allow many functions to run without CPU intervention, freeing the core for application logic and reducing firmware complexity. From a technical depth perspective, the PIC18F56K42 builds on a modified Harvard architecture with a 16-bit wide instruction word and an 8-bit data bus. It includes a configurable instruction cache, hardware multiplier, and an interrupt controller with vectored interrupts and a Peripheral Interrupt Controller with DMA. The 12-bit ADC2 supports automatic threshold compare, oversampling, and accumulation, while the DMA engine can move data between peripherals and memory without waking the CPU, supporting XLP sleep currents down to nanoampere levels. Typical applications include industrial sensor nodes, automotive body and climate control modules, low-power IoT edge devices, battery-powered instrumentation, and consumer white goods. The combination of low-power XLP modes and rich peripherals makes it ideal for always-on sensor hubs that must periodically wake, capture data, and return to deep sleep. When designing with this part, ensure the UQFN-48 (MV) PCB land pattern matches Microchip's recommended footprint and that exposed pad soldering follows the IPC-7351 thermal land guidelines. Choose the industrial -40C to +125C temperature grade for harsh environments, or the extended -40C to +85C variant for commercial/industrial consumer use. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the standalone Microchip product page, with cross-references to compatible PIC18FxxK42 family members already documented on XAIPART.

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PIC18F56K42-E/PT - 8-Bit 64MHz 64KB Flash MCU | Microchip
PIC18F56K42-E/PT

PIC18F56K42-E/PT - 8-Bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F56K42-E/PT is an 8-bit PIC microcontroller from the PIC18(L)FxxK42 family, featuring a 64 MHz CPU, 64 KB Flash program memory, 4 KB SRAM, and 1 KB EEPROM, housed in a 48-pin TQFP-EP (7x7 mm) package with exposed thermal pad. It operates from 2.3V to 5.5V across the -40C to +125C extended industrial temperature range, making it suitable for both consumer and harsh-environment embedded applications. An 8-bit PIC microcontroller is a Harvard-architecture CMOS MCU that executes a RISC-like instruction set on 8-bit data while allowing 16-bit-wide program memory fetches, providing predictable timing and deterministic interrupt response. The PIC18 family sits at the top of Microchip's 8-bit portfolio as a high-performance tier, positioned above PIC16 and PIC10/12/14/15 families and below the dsPIC and PIC32 32-bit lines. The K42 sub-family adds Core Independent Peripherals (CIPs) such as CLC, NCO, PWM, and ADC with Computation (ADC2) that operate without CPU intervention, enabling low-power and real-time control designs. Key features of the PIC18F56K42 include 12-bit ADC with up to 35 external channels, 5-bit DAC, 8-bit DAC reference, hardware CVD for capacitive touch, four 16-bit timers, two I2C, two SPI, two UART, and 44 dedicated I/O pins. The integrated charge pump improves ADC accuracy at low VDD, while the XLP (eXtreme Low Power) technology enables deep Sleep currents down to sub-microamp levels with retention. Architecturally, the device combines a 16-bit program bus, 8-bit data bus, single-cycle hardware multiplier, and a vectored interrupt controller. CIPs such as CLC, NCO, and PWM with complementary outputs are interconnected via a fabric-like routing matrix, allowing analog and timing functions to be wired together in hardware and reducing firmware load. Typical applications include industrial control panels, home appliances, motor control BLDC drivers, capacitive touch user interfaces, IoT sensor nodes, and automotive body and convenience modules. The extended temperature grade (-E) supports under-hood and outdoor deployments. Designers should pay attention to VDD/VSS decoupling: place a 100 nF X7R ceramic as close as possible to each power pin pair and a bulk 10 uF tantalum or ceramic on the main rail. The exposed pad on TQFP-EP must be soldered to the ground plane for thermal dissipation and electrical reference. This page synthesizes distributor pricing, drop-in PIC18FxxK42 alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and firmware engineers make informed selection decisions.

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PIC18F56K42-I/MV - 64KB Flash 8-bit MCU 48-UQFN | Microchip
PIC18F56K42-I/MV

PIC18F56K42-I/MV - 64KB Flash 8-bit MCU 48-UQFN | Microchip

The Microchip Technology PIC18F56K42-I/MV is an 8-bit PIC18 XLP microcontroller running at 64 MHz, integrating 64 KB of Flash, 4 KB of RAM, and 256 B of EEPROM in a 48-pin UQFN (MV) 6x6 mm package. It belongs to the PIC18(L)FxxK42 family of highly integrated, low-power, high-performance MCUs designed for embedded designs that need both advanced analog and core-independent peripherals. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a range of peripheral interfaces. The PIC18 architecture is an 8-bit Harvard RISC core from Microchip with an enhanced instruction set, a hardware multiplier, and prioritized vector interrupts. In the broader taxonomy, an MCU is a type of microcontroller, which itself falls under microcontrollers and processors in the embedded semiconductor category. The 56K42 specifically belongs to the PIC18(L)FxxK42 subfamily, which sits above general PIC16 parts in complexity and below the 16-bit dsPIC/PIC24 and 32-bit PIC32 families. Key features of the PIC18F56K42 include the 12-bit Analog-to-Digital Converter with Computation (ADC2) - offering up to 35 external channels with automated oversampling, averaging, filtering, and threshold comparison. The integrated Hardware Capacitive Voltage Divider (CVD) supports mTouch capacitive touch sensing without external components. The device also includes Direct Memory Access (DMA) controllers, vector interrupts, a Digital-to-Analog Converter (DAC), comparators, configurable PWMs (CCP/ECCP), and the Device Information Area (DIA) for unique serial numbers and calibration constants. The PIC18F56K42 implements Microchip's eXtreme Low Power (XLP) technology with multiple low-power modes (Sleep, Idle, Doze), a peripheral module disable feature, and an integrated charge pump that allows the 12-bit ADC to operate down to 1.8V VDD. The 48-pin UQFN package exposes up to 41 I/O pins with interrupt-on-change support and high-current sink/source capability on selected pins. The 64 MHz FOSC (16 MIPS at 4 clocks per instruction) gives ample headroom for sensor fusion, motor control loops, and protocol stacks. Typical applications include industrial control, IoT sensor nodes, home automation, capacitive touch user interfaces, low-power battery-powered instrumentation, and small motor or lighting control. The combination of large memory, advanced analog, and XLP technology makes it well suited to applications that demand both signal conditioning and ultra-low standby current. When designing with this device, use the MPLAB X IDE and MPLAB Code Configurator (MCC) to generate peripheral drivers and pin configurations. Always review the device errata for the specific silicon revision used in production, and consider migrating to the -E/-F temperature grades or QFP packages (such as PIC18F56K42-I/PT) if thermal dissipation or hand-rework is required. This page synthesizes distributor pricing, drop-in alternatives drawn from the PIC18(L)FxxK42 family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F56K42T-I/MV - 8-Bit 64MHz 64KB Flash XLP MCU | Microchip
PIC18F56K42T-I/MV

PIC18F56K42T-I/MV - 8-Bit 64MHz 64KB Flash XLP MCU | Microchip

The Microchip Technology PIC18F56K42T-I/MV is a PIC18F "K42" family 8-bit microcontroller built on an enhanced Harvard RISC architecture, delivering 64 MHz (16 MIPS) CPU performance from 64 KB of on-chip Flash, 4 KB of SRAM and 256 B of EEPROM. The T-suffix indicates tape-and-reel packaging and the I-suffix denotes an industrial -40C to +85C operating range, while MV identifies the lead-free 48-pin UQFN 6x6 mm exposed-pad package. The device targets ultra-low-power XLP applications with nanoWatt XLP technology, integrated core-independent peripherals (CIPs) and intelligent analog blocks. An 8-bit PIC microcontroller (MCU) is a single-chip computer based on Microchip's proprietary Harvard architecture that separates program and data memory for deterministic instruction execution, with the K42 family positioned in the ultra-low-power XLP segment between the smaller K20 and K40 predecessors and the newer Q-series successors. In the broader hierarchy: PIC18F -> 8-bit PIC -> PIC MCU -> microcontroller -> embedded system -> semiconductor IC. The K42 family spans 28/40/48-pin packages, allowing the same firmware and development tools to scale from compact sensor nodes to feature-rich control boards. Differentiating features of the PIC18F56K42 include a 12-bit ADC2 (Analog-to-Digital Converter with Computation) with up to 35 external channels and an integrated charge pump, a hardware Capacitive Voltage Divider (CVD) for mTouch touch sensing, four 16-bit timers with built-in PWM, two USART, two SPI, two I2C and up to 36 interrupt sources. The device also integrates a 32-level hardware CRC, a Direct Memory Access (DMA) controller with 4 channels, a Windowed Watchdog Timer (WWDT) and a Vectored Interrupt module with a hardware Interrupt-on-Change (IOC) for low-latency GPIO response. The architecture combines a modified 8-bit data path with a 16-bit instruction word, providing C-compiler-friendly orthogonal addressing while retaining deterministic real-time behavior. The XLP nanoWatt technology achieves typical sleep currents below 50 nA with RAM retention, and a power-managed idle/doze mode that lets peripherals run while the CPU is gated. Charge-pump-assisted ADC2 operation allows analog conversion down to 1.8 V supply, simplifying battery-monitor designs and low-battery warning thresholds. Typical applications include IoT edge nodes, home-automation and smart-home hubs, low-power wireless sensor platforms (LoRa/BLE host MCUs), consumer appliances with capacitive touch HMIs, automotive body and interior modules, and industrial control boards requiring deterministic 8-bit GPIO-driven control. Designers typically select this device when they need deterministic interrupt response, mature MPLAB X IDE support, and a pin migration path within the same K42 family. When laying out the PCB, treat the central UQFN exposed pad as the primary thermal and electrical ground path - solder it directly to a continuous ground pour with thermal vias for thermal resistance below 30 C/W. Use the MPLAB Code Configurator (MCC) to generate CIP setup, and always include a 0.1 uF decoupling capacitor within 3 mm of each VDD pin pair to minimize switching noise on the analog rails. This page synthesizes the manufacturer datasheet, distributor pricing tiers, drop-in K42-family alternatives and practical design notes to give the engineer a single, citable reference that distributor product pages do not provide.

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PIC18F56Q43-E/6LX - 8-bit 64MHz 64KB Flash MCU | Microchip
PIC18F56Q43-E/6LX

PIC18F56Q43-E/6LX - 8-bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F56Q43-E/6LX is an 8-bit PIC18 microcontroller from the PIC18-Q43 family, integrating 64 KB of Flash program memory, 4 KB of SRAM and a 64 MHz internal oscillator in a 48-pin VQFN (6x6 mm) package. The -E suffix denotes the -40C to +125C extended operating temperature grade required for industrial and automotive-grade designs. An 8-bit microcontroller (MCU) is a programmable computing device built around a CPU, program memory and data memory on a single silicon die, optimized for deterministic real-time control, low power consumption, and a rich set of on-chip peripherals. The PIC18-Q43 family combines Microchip's most popular Core Independent Peripherals with new interconnection fabric so that hardware customization no longer requires complex firmware. The product type hierarchy is: MCU -> microcontroller -> 8-bit microcontroller -> PIC18 microcontroller -> PIC18-Q43 family -> power management/real-time control IC. Key features of the PIC18F56Q43 include six Direct Memory Access (DMA) controllers that move data without CPU intervention, three 16-bit dual PWMs giving six PWM outputs for motor and power conversion control, a 12-bit Analog-to-Digital Converter with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) touch sensing, a vectored interrupt controller with selectable priorities and fixed three-cycle latency, and a Zero-Cross Detect (ZCD) peripheral. The device also includes five UARTs (one with LIN/DMX/DALI support), configurable logic cells (CLCs), and a 1.024/2.048/4.096 V voltage reference. Typical applications include industrial motor control, LED lighting and dimming, capacitive touch user interfaces, automotive body and sensor nodes, white-goods and small appliance control, and USB-to-UART bridge designs. The wide 1.8V to 5.5V operating range and low-power XLP technology make the part suitable for battery-backed appliances that must run from coin cells or 2xAA chemistries while still delivering 64 MIPS throughput.

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PIC18F56Q43T-I/PT - 64KB Flash, 48-TQFP 8-bit MCU | Microchip
PIC18F56Q43T-I/PT

PIC18F56Q43T-I/PT - 64KB Flash, 48-TQFP 8-bit MCU | Microchip

The Microchip Technology PIC18F56Q43T-I/PT is an 8-bit PIC microcontroller in the PIC18-Q43 family, providing 64KB of Flash program memory, 4KB of RAM, and 1KB of EEPROM, housed in a 48-pin TQFP (7x7 mm) package. It operates up to 64MHz from a 1.8V to 5.5V supply, integrates Core Independent Peripherals, a 12-bit ADCC, three 16-bit PWMs, a 6-channel DMA, and an 8-bit DAC for real-time control tasks. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), volatile data memory (RAM), non-volatile storage (EEPROM), and a rich set of on-chip peripherals. The 8-bit PIC architecture from Microchip Technology is positioned in the taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18-Q43 family emphasizes Core Independent Peripherals (CIPs) that operate without CPU intervention, reducing firmware complexity and deterministic latency for real-time control loops. Key features include 64KB Flash, 4KB RAM, 1KB EEPROM, up to 64MHz operation across -40C to +85C industrial temperature range, integrated 12-bit ADC with Computation (ADCC) supporting capacitive voltage divider (CVD) touch sensing, three independent 16-bit PWM channels with complementary outputs, a 6-channel DMA engine, peripheral pin select (PPS) for flexible signal routing, and 5V tolerant I/O. The TQFP-48 package supports surface-mount assembly with industry-standard 0.5mm pitch. The PIC18F56Q43 uses an enhanced Harvard RISC architecture with a modified instruction set that allows 16-bit opcodes and a hardware multiplier. The ADCC module performs hardware-averaged oversampling and threshold comparison autonomously, while the unified PWM engine supports edge/center alignment for motor, lighting, and power-conversion control. The integrated DMA engine transfers data between peripherals and memory without CPU involvement, ideal for high-throughput sensor or communication links. Typical applications include industrial automation and motor control, IoT edge nodes, capacitive touch user interfaces, LED lighting controllers, sensor hubs, and small home appliances. The XLP (eXtreme Low Power) feature set targets battery-powered IoT deployments. When designing with this device, observe the decoupling network (100nF + 1uF at VDD/AVDD) and follow the Microchip MPLAB development flow with PICkit or ICD programmers. The wide operating voltage (1.8V to 5.5V) supports both 3.3V and 5V system rails with no level translation required for the digital I/O. This page synthesizes distributor pricing, same-package PIC18 drop-in alternatives, and practical design notes that complement the manufacturer datasheet.

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PIC18F57K42-E/MV - 64MHz 8-bit MCU, 128KB Flash, 48-UQFN | Microchip
PIC18F57K42-E/MV

PIC18F57K42-E/MV - 64MHz 8-bit MCU, 128KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC18F57K42-E/MV is a high-performance 8-bit PIC microcontroller from the PIC18FxxK42 family, integrating core independent peripherals, intelligent analog peripherals, and large Flash/RAM/EEPROM memories. The device operates at up to 64MHz, features 128KB (64K x 16) of Flash program memory, 8KB RAM, and 256B EEPROM in a compact 48-pin UQFN (6x6 mm) package (MV). The -E suffix denotes the extended operating temperature range of -40C to +125C, suitable for industrial and harsh-environment deployments. An 8-bit microcontroller (MCU) is a programmable embedded processor that integrates a CPU, memory, and peripherals onto a single silicon die. The PIC18 family sits at the top of Microchip's 8-bit portfolio, sitting between baseline PIC10/12/16 parts and higher-end dsPIC/32-bit families. The PIC18FxxK42 series specifically targets low-power (XLP) applications with rich analog integration including 12-bit ADC2 with computation, DAC, comparators, and op amps, alongside DMA, vector interrupts, and configurable logic cells (CLC). Key features of the PIC18F57K42 include the 12-bit ADC2 module with automatic averaging and threshold scanning, multiple SPI/I2C/UART interfaces with LIN support, DMA controllers for offloading the CPU, and PWM/CCP modules for motor and power control. The device includes 44 user I/O pins with peripheral pin select (PPS) for flexible signal routing. Core independent peripherals allow sensor interfacing and signal generation without CPU intervention, lowering active time and overall power consumption. The XLP (eXtreme Low Power) technology brings deep sleep currents under 50nA with retention RAM. From an architectural standpoint, the PIC18F57K42 uses a 16-bit modified Harvard architecture with separate program and data buses, executing most instructions in a single cycle. The 128KB Flash supports self-programmability via ICSP, and 256B of EEPROM provides non-volatile data storage. The 8KB SRAM includes 1KB of retention RAM that survives sleep modes for state preservation. Typical applications include industrial sensor nodes, motor control drives, IoT edge devices, building automation, HVAC control, low-power wireless sensor hubs, and consumer appliances. The combination of USB-less 48-pin density, 64MHz performance, and large memory makes it ideal for protocol-rich appliances and IoT gateways. Designers favor it for code-density, deterministic interrupt latency, and Microchip's mature MPLAB X toolchain with XC8 compiler support. When designing with the PIC18F57K42-E/MV, ensure the UQFN-48 PCB footprint includes thermal pad soldering per IPC-7351 for heat dissipation, and follow Microchip's AN2644 application note for optimal XLP sleep-mode configuration. The 48-UQFN MV package has tight pad pitch - 0.4mm spacing - so stencil design and reflow profile must be controlled during assembly. This page consolidates distributor pricing, drop-in alternatives within the PIC18FxxK42 family and cross-brand 8-bit MCU options, and practical design notes that go beyond the manufacturer datasheet to support component selection, sourcing, and PCB layout decisions.

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PIC18F57K42-I/PT - 128KB Flash, 64MHz 8-bit MCU | Microchip
PIC18F57K42-I/PT

PIC18F57K42-I/PT - 128KB Flash, 64MHz 8-bit MCU | Microchip

The Microchip PIC18F57K42-I/PT is a high-performance 8-bit PIC microcontroller from the PIC18FxxK42 family, integrating 128KB of Flash program memory, 8KB of SRAM, and 256B of EEPROM in a 48-pin TQFP-EP package (7x7 mm) with an exposed thermal pad. It executes instructions at up to 64 MHz, delivering 16 MIPS of throughput, and integrates Core Independent Peripherals (CIPs) such as CWG, NCO, DSM, and Configurable Logic Cells that offload tasks from the CPU. A microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, volatile data memory, and on-chip peripherals such as timers, communication interfaces, and analog converters. PIC18F-family devices sit at the high-performance tier of Microchip's 8-bit portfolio, between baseline PIC10/PIC12/PIC16 mid-range parts and the 16-bit PIC24/dsPIC families - well suited for applications that need more code space and richer peripherals than a PIC16 can provide, but where a 32-bit Cortex-M0/M0+ would add cost and complexity. Key features of this variant include a 12-bit ADC2 (with computation), a 5-bit DAC, two comparators with 8-bit reference, multiple hardware PWM channels, DMA between memory and peripherals, vector interrupts for fast response, a Math Accelerator (MAP) for hardware multiply/divide, and a Device Information Area (DIA) for unique ID and calibration constants. The wide 2.3V to 5.5V VDD range and XLP (eXtreme Low-Power) technology allow deep sleep currents down to 50 nA with fast wake-up, targeting battery- and energy-harvesting designs. Internally, the device uses a 16-bit modified-Harvard architecture with a 32-level hardware stack, hardware multiply/divide, indirect/post-increment addressing modes, and a 64 MHz internal oscillator selectable by software. The DMA controller can move data between peripherals and RAM without CPU intervention, while Vector Interrupts reduce latency by jumping directly to the handler. These architectural choices allow developers to consolidate what would normally be done in external logic or software loops into the chip itself. Typical use cases include industrial control panels, IoT sensor nodes with low-power duty-cycled radios, motor control with field-oriented control (FOC) for BLDC, USB human-interface devices (HID/CDC), and white-goods or HVAC controllers. The 48-pin TQFP footprint also suits quick migration from PIC18F47K42 designs that require the larger 128KB memory tier without changing PCB layout. The TQFP-EP package provides a thermal pad that improves heat spreading for full-speed operation across the industrial -40C to +85C range. When designing with this MCU, allow the exposed thermal pad (pin 49) to be soldered to a copper pour of at least 1 square inch on both top and bottom layers to meet the 64 MHz operating point reliably. Use MPLAB X IDE with the XC8 compiler to take advantage of DIA and the hardware Math Accelerator. This page consolidates distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet for engineers evaluating the PIC18F57K42-I/PT for new designs and field replacements.

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PIC18F57K42T-I/MV - 64MHz 8-Bit 128KB Flash MCU | Microchip
PIC18F57K42T-I/MV

PIC18F57K42T-I/MV - 64MHz 8-Bit 128KB Flash MCU | Microchip

The Microchip Technology PIC18F57K42T-I/MV is an 8-bit PIC18 XLP microcontroller featuring a 64MHz CPU, 128KB Flash program memory, 8KB SRAM, and 256B EEPROM, housed in a 48-pin UQFN (MV) 6x6mm package with an exposed thermal pad. It belongs to the PIC18(L)FxxK42 family and integrates a rich set of core-independent peripherals, intelligent analog peripherals, and large Flash/RAM/EEPROM memories designed for low-power high-performance embedded applications. A microcontroller (MCU) is a single-chip computer that contains a CPU core, program and data memory, peripherals, and I/O. The PIC18 architecture is an enhanced 8-bit Harvard RISC core with a hardware multiplier, 31-level stack, and vectored interrupts. The XLP (eXtreme Low Power) designation indicates this family is engineered for battery-powered and energy-harvesting designs, drawing nano-amp currents in Sleep mode. Key features include a 12-bit ADC2 with up to 35 external channels and 140 ksps throughput, hardware CVD (Capacitive Voltage Divider), DMA, vector interrupts, multiple UART/SPI/I2C interfaces, configurable PWM, comparators, DAC outputs, and an 8-bit core-independent peripheral set. The 64MHz internal oscillator, programmable prescaler, and 4x PLL provide flexible clocking. Operating voltage spans 2.3V to 5.5V with industrial -40C to +85C support. The K42 architecture integrates Direct Memory Access (DMA) into the 8-bit core, allowing data movement between peripherals and memory without CPU intervention. The ADC2 module adds hardware oversampling, averaging, and threshold comparisons so analog signal conditioning runs autonomously. Hardware CVD enables robust touch and proximity sensing. Typical applications include IoT sensor nodes, home appliances, motor control, LED lighting, capacitive touch user interfaces, industrial control, USB device functions, and battery-powered metering. The wide peripheral set makes the device suitable as a system-on-chip in cost-sensitive designs. When designing with this MCU, allocate decoupling capacitors close to each VDD pin, follow Microchip's UQFN PCB layout recommendations for the exposed pad, and use the MPLAB X IDE with the XC8 compiler. Verify signal integrity on high-speed communication lines and refer to Microchip ANs for DMA and ADC2 usage. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical engineering design notes not found in the manufacturer datasheet alone, offering actionable intelligence for sourcing and design decisions.

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PIC18F57Q43-E/6LX - 128KB Flash 8-bit MCU, 64MHz, 48-VQFN | Microchip
PIC18F57Q43-E/6LX

PIC18F57Q43-E/6LX - 128KB Flash 8-bit MCU, 64MHz, 48-VQFN | Microchip

The Microchip PIC18F57Q43-E/6LX is an 8-bit RISC microcontroller from the PIC18-Q43 family, integrating 128 KB of Flash program memory, 8 KB of SRAM and 1 KB of EEPROM, and operating at a maximum clock of 64 MHz. It is housed in a 48-pin VQFN (6x6 mm) package with an exposed thermal pad, and carries the extended (-40C to +125C) operating temperature grade indicated by the -E suffix. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, non-volatile program memory, volatile data memory, and configurable peripherals on a single silicon die. The PIC18-Q43 family specifically augments this classic architecture with Core Independent Peripherals (CIPs), six Direct Memory Access (DMA) controllers, Configurable Logic Cells (CLCs), and a 12-bit Analog-to-Digital Converter with Computation (ADCC). These features allow real-time control tasks such as capacitive touch sensing, power conversion, and motor control to be offloaded from the CPU into dedicated hardware, reducing firmware complexity and latency. Key features of the PIC18F57Q43-E/6LX include three 16-bit dual PWMs providing six PWM outputs, an 8-bit DAC, multiple comparators with a Zero-Cross Detect (ZCD) module, fixed voltage references of 1.024 V, 2.048 V and 4.096 V, five UARTs (one supporting LIN/DMX/DALI), and vectored interrupts with programmable priority. The on-chip DMA engine moves data between peripherals and memory without CPU intervention, freeing instruction cycles for application logic. The device architecture is built on Microchip's enhanced PIC18 Harvard pipeline, with selectable internal oscillator blocks, multiple I/O ports, and functional safety (FuSa) features for safety-critical designs. Peripherals are interconnected through the Peripheral Pin Select (PPS) system, allowing most digital functions to be remapped to a wide range of physical pins. Typical applications include industrial control, IoT edge nodes, consumer appliances, building automation, automotive body and lighting subsystems, and USB-to-UART bridges when paired with an external transceiver. The combination of high Flash density and CIPs also suits advanced sensor hubs and BLDC/PMSM motor drive controllers. When designing with this part, pay attention to decoupling: place 100 nF and 1 uF ceramics adjacent to the VDD/VSS pairs, route the exposed pad to a continuous ground plane, and confirm unused I/O pins are configured as outputs low or as inputs with internal pull-ups. The functional safety documentation set should be reviewed for any IEC 61508 or ISO 26262 target. This page synthesizes distributor pricing, parametric alternatives, and practical design considerations for the PIC18F57Q43-E/6LX that go beyond the manufacturer datasheet alone.

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PIC18F57Q43-I/PT - 8-Bit 64MHz 128KB Flash MCU | Microchip
PIC18F57Q43-I/PT

PIC18F57Q43-I/PT - 8-Bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18F57Q43-I/PT is an 8-bit PIC microcontroller from the PIC18-Q43 family, featuring 128KB of Flash, 8KB of RAM, and 1KB of EEPROM in a 48-pin TQFP-EP (7x7mm) package with an exposed thermal pad. It operates at up to 64MHz with the enhanced PIC18 CPU core, includes a 12-bit Analog-to-Digital Converter with Computation (ADCC), an 8-bit DAC, comparators, three 16-bit dual PWMs providing six PWM outputs, six DMA controllers, and CIP (Core Independent Peripherals) for hardware-based state machine control. The -I grade offers an industrial temperature range of -40C to +85C, while the Q43 family is AEC-Q100 Grade 1 capable for functional safety (FuSa) applications. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip's PIC18 family, sitting in the company's traditional 8-bit PIC lineup alongside PIC16 and PIC10/12/14/16 families. Within the broader MCU taxonomy, a PIC18F belongs to the 8-bit microcontroller category -> microcontroller unit (MCU) -> semiconductor device -> embedded computing. The 'F' suffix indicates Flash program memory; Q43 denotes the specific family (Core Independent Peripherals + 12-bit ADCC + 16-bit PWM); the trailing designators -I/PT specify the temperature grade and package. The PIC18F57Q43-I/PT's signature features include the 12-bit ADCC with Capacitive Voltage Divider (CVD) support for advanced touch sensing, three 16-bit dual PWMs producing six PWM outputs for motor control or lighting, six independent DMA controllers that move data between peripherals without CPU intervention, and hardware-based custom logic via the Configurable Logic Cell (CLC) and Peripheral Pin Select (PPS). This combination reduces software overhead and enables deterministic real-time control. The integrated Functional Safety (FuSa) support with dedicated safety libraries makes it suitable for safety-critical applications. Typical applications span industrial motor control (BLDC, PMSM, stepper), capacitive touch user interfaces, LED lighting drivers, automotive body and HVAC control, IoT edge nodes, and consumer appliances requiring low-power XLP (eXtreme Low Power) operation. The 128KB Flash with 8KB SRAM provides ample headroom for protocols, application logic, and bootloader, while six DMA channels prevent CPU stalls during high-throughput data movement. When designing with this MCU, allocate sufficient decoupling near VDD pins and use the PPS feature to remap peripherals to almost any I/O for optimal PCB routing. The 48-pin TQFP-EP package requires a generous ground-connected copper pad beneath the exposed pad for thermal dissipation, especially at higher clock speeds and peripheral loads. This page synthesizes distributor pricing, cross-reference alternatives, and practical design notes not typically found in the manufacturer datasheet alone.

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PIC18F57Q43T-I/6LX - 8-Bit 64MHz 128KB Flash MCU | Microchip
PIC18F57Q43T-I/6LX

PIC18F57Q43T-I/6LX - 8-Bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18F57Q43T-I/6LX is an 8-bit PIC18 XLP microcontroller with 128 KB Flash, 8 KB SRAM, and 1 KB EEPROM, running at up to 64 MHz, housed in a 48-pin VQFN (6x6 mm) package with exposed thermal pad. It integrates a 12-bit ADC with 2 MSPS, a 12-bit DAC, three op-amps, two 8-bit DACs, six 16-bit PWMs, six DMA controllers, and full Functional Safety (FuSa) support with Class B safety library. What is an 8-bit PIC microcontroller? An 8-bit PIC microcontroller is a RISC-based embedded controller from Microchip's PIC family that processes data in 8-bit words, balancing low power, deterministic interrupt response, and rich peripheral integration. PIC microcontrollers sit within the broader microcontroller hierarchy: microcontroller -> embedded controller -> MCU -> semiconductor, and are widely deployed in consumer, industrial, and automotive subsystems where cost-effective, low-power computation is required. Key features include six DMA controllers that offload data movement between peripherals and memory without CPU intervention, three independent 16-bit dual PWMs providing six PWM outputs for motor and lighting control, vectored interrupt capability with fixed three-instruction-cycle latency, and a Core Independent Peripheral (CIP) ecosystem that lets hardware blocks run autonomously. The device operates from 1.8 V to 5.5 V across -40C to +85C industrial temperatures. The architecture combines a modified Harvard RISC core with separate program Flash and data SRAM buses, hardware multiply, and a 32-level stack. On-chip peripherals interconnect via Microchip's Peripheral Pin Select (PPS) and configurable logic cells, enabling sophisticated signal routing without external glue logic. This makes the Q43 family a strong fit for applications that previously required multiple ICs. Typical applications include functional-safety industrial control, BLDC/PMSM motor drives, IoT sensor nodes, LED lighting controllers, USB HID/CDC devices, and battery-powered portable instruments. The XLP (eXtreme Low Power) features such as nanoWatt XLP, IDLE/DOZE modes, and sleep currents below 50 nA make it well suited to energy harvesting and battery-backed designs. When designing with this device, ensure the exposed pad (EP) of the VQFN package is soldered to a sufficient copper pour for thermal dissipation and ground reference. The PPS system requires firmware configuration before the first peripheral use; reserve one GPIO for the in-circuit serial programming (ICSP) interface. This page synthesizes distributor pricing, drop-in alternative inventory, and practical design notes drawn from Microchip application notes that are not aggregated on the manufacturer datasheet alone.

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PIC18F57Q84-I/PT - 8-Bit MCU, 64MHz, 128KB Flash, CAN FD | Microchip
PIC18F57Q84-I/PT

PIC18F57Q84-I/PT - 8-Bit MCU, 64MHz, 128KB Flash, CAN FD | Microchip

The Microchip Technology PIC18F57Q84-I/PT is an 8-bit PIC18 microcontroller running at 64 MHz with 128 KB (64K x 16) of Flash program memory, housed in a 48-pin TQFP (7x7 mm) package. It belongs to the PIC18-Q84 family, which combines Core Independent Peripherals (CIPs) with CAN FD connectivity for cost-optimized automotive and industrial applications. The integrated CIPs offload tasks such as signal conditioning, timing, and communications from the CPU, enabling deterministic real-time control with minimal firmware overhead. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, SRAM, EEPROM), and programmable peripherals. PIC18 8-bit MCUs use Microchip's enhanced Harvard RISC architecture with 16-bit instructions and an 8-bit data path, balancing code density with deterministic interrupt response. The PIC18-Q84 sub-family specifically extends this lineage with modern interfaces (CAN FD, UART, SPI, I2C) and high-resolution CIPs suited to sensor and motor control nodes. Key specifications include 128 KB Flash, 8 KB SRAM, 1024 bytes EEPROM, 64 MHz internal oscillator, and 12-bit ADC with computation (ADCC). Communication peripherals include one CAN FD module, two UARTs, two SPIs, and two I2Cs. Core Independent Peripherals include configurable logic cells (CLC), signal measurement timer (SMT), complementary waveform generator (CWG), numerically controlled oscillator (NCO), and zero-cross detect (ZCD). A hardware crypto engine, cyclic redundancy check (CRC) module, and direct memory access (DMA) controller further reduce CPU load. The architecture uses a 16-bit instruction word with an 8-bit data bus, supports up to 16 MIPS at 64 MHz, and operates from 1.8 V to 5.5 V. The 48-pin TQFP (PT) package offers up to 44 I/O pins with high-current sink/source capability, plus peripheral pin select (PPS) for flexible signal routing. The device is qualified for industrial temperature ranges (-40 °C to +85 °C) and supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD). Typical applications include CAN FD nodes in automotive body and chassis ECUs, industrial sensor hubs, BLDC motor controllers, HVAC control boards, lighting controllers, and battery management front-ends. The combination of CAN FD, 12-bit ADCC, and CWG enables sensor-driven closed-loop control with hardware-accelerated timing without burdening the CPU. When designing with this device, plan for adequate decoupling (100 nF ceramic per VDD pair), a low-ESR bulk capacitor on VDDCORE, and routing of the CAN bus with 120 Ω termination plus ESD protection. For safety-critical applications, enable the WWDT and use the CRC scanner to validate Flash contents at startup. This page synthesizes distributor pricing, drop-in family alternatives from the Site MPN list, and practical design guidance not duplicated on the manufacturer datasheet, giving procurement and design engineers a faster path from specification to qualified source.

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PIC18F57Q84T-I/PT - 8-bit 64MHz MCU 128KB Flash CAN-FD | Microchip
PIC18F57Q84T-I/PT

PIC18F57Q84T-I/PT - 8-bit 64MHz MCU 128KB Flash CAN-FD | Microchip

The Microchip Technology PIC18F57Q84T-I/PT is an 8-bit PIC microcontroller from the PIC18-Q84 family, featuring a 64 MHz CPU, 128 KB of Flash program memory, 13 KB of SRAM, and 1 KB of EEPROM, all housed in a 48-pin TQFP (PT) package. The device integrates Controller Area Network with Flexible Data Rate (CAN-FD), making it suitable for automotive and industrial networking applications where deterministic, high-bandwidth communication is required. The "T" suffix indicates Tape and Reel packaging, while the "I" indicates the industrial operating temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC18 architecture is an enhanced 8-bit Harvard RISC core that balances deterministic real-time control with low power consumption via Microchip's eXtreme Low Power (XLP) technology. The PIC18-Q84 family expands 8-bit MCUs by combining Core Independent Peripherals (CIPs) with CAN-FD, positioning the device at the intersection of cost-optimized embedded control and networked sensor/actuator nodes. Key features include a 12-bit ADC with up to 43 channels (depending on package), a 12-bit DAC, multiple DMA channels, DSM (Data Signal Modulator), complementary PWMs with edge-aligned and center-aligned modes, CIPS (Configurable Logic Cell), I2C, SPI, and two UART peripherals. These integrated peripherals offload common tasks from the CPU, reducing firmware complexity and improving deterministic response time. The PIC18F57Q84T-I/PT uses a Harvard-architecture 8-bit RISC core with a 16-bit instruction word. The high peripheral integration allows developers to implement motor control, lighting, power conversion, and sensor fusion with minimal external components. The integrated CAN-FD controller supports data rates up to 5 Mbps with payload sizes up to 64 bytes, enabling modern automotive and industrial bus communication. Typical applications include CAN-FD node endpoints in automotive body and chassis networks, BLDC motor control for fans and pumps, LED lighting controllers, HVAC sensor interfaces, and industrial automation modules. The wide operating voltage range and XLP low-power modes also support battery-powered IoT edge devices. When designing with this MCU, plan for the 48-pin TQFP footprint and provide decoupling capacitors within 5 mm of every VDD/VSS pair. Configure the CAN-FD peripheral baud rate to match the bus clock and verify timing budget using Microchip's MPLAB X IDE with the MCC code configurator. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All data points have been cross-referenced against the official Microchip PIC18F27/47/57Q84 datasheet (DS40002213E) and current distributor listings.

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PIC18F6310T-I/PT - 8-bit PIC MCU, 8KB Flash, 64-Pin TQFP | Microchip
PIC18F6310T-I/PT

PIC18F6310T-I/PT - 8-bit PIC MCU, 8KB Flash, 64-Pin TQFP | Microchip

The Microchip Technology PIC18F6310T-I/PT is an 8-bit RISC microcontroller in the PIC18F family, featuring 8 KB of Flash program memory, 768 bytes of RAM, and 64-pin TQFP packaging. The trailing "T" suffix denotes tape-and-reel packaging, and the "I" indicates the industrial temperature range of -40C to +85C. The device operates at up to 40 MHz, delivering 10 MIPS of processing throughput for embedded control applications. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory (Flash for program storage, SRAM for data), and peripheral interfaces on a single die. The PIC18F family sits within the broader PIC (Peripheral Interface Controller) architecture and traces its hierarchy to microcontroller -> embedded processor -> semiconductor device. PIC18F MCUs use a Harvard RISC architecture with separate program and data buses, and they execute most instructions in a single 4-cycle clock period (one instruction cycle per 4 oscillator cycles). Key features include 8 KB (4K x 16) of self-programmable Flash, 768 bytes of data RAM, 256 bytes of EEPROM, and a 10-bit Analog-to-Digital Converter (ADC) with up to 12 input channels. Communication peripherals include Enhanced USART, MSSP (SPI/I2C), and Parallel Slave Port. The device supports 54 digital I/O pins with high-current sink/source capability and offers multiple power-managed modes for low-power operation. The PIC18F6310 integrates advanced peripherals such as a 16-bit Capture/Compare/PWM (CCP) module, multiple timers, and a Hardware RTCC for real-time clock functions. These are designed for human-interface and control applications where deterministic real-time response is critical. The 64-pin TQFP package provides ample I/O access in a 10 x 10 mm outline suitable for moderately dense PCB designs. Typical applications include industrial manufacturing equipment, instrumentation and monitoring, data acquisition systems, power conditioning, environmental monitoring, telecom infrastructure, and consumer electronics. The wide peripheral set also makes it suitable for HVAC controls, security panels, and display drivers. When designing with this MCU, ensure VDD decoupling uses 100 nF and 10 uF capacitors placed close to the supply pins. Configure the configuration bits (fuses) for oscillator source, watchdog timer, and code protection before programming. The Industrial temperature grade allows deployment in uncontrolled thermal environments. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F6390-E/PT - 8KB Flash LCD MCU 64TQFP | Microchip
PIC18F6390-E/PT

PIC18F6390-E/PT - 8KB Flash LCD MCU 64TQFP | Microchip

The Microchip Technology PIC18F6390-E/PT is an 8-bit PIC18F-family flash microcontroller featuring 8 KB of program Flash, 768 bytes of RAM, an integrated LCD driver, and 68 I/O pins, all housed in a 64-pin TQFP package. It executes instructions at up to 40 MHz (10 MIPS) using Microchip's enhanced RISC architecture and supports a wide 2.0 V to 5.5 V operating voltage range suitable for battery and line-powered applications. The '-E' suffix denotes the extended industrial temperature grade of -40C to +125C. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path; PIC18F devices extend this with a 16-bit instruction word, hardware multiply, and a linear program-memory map. As part of Microchip's PIC18F -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor hierarchy, this part sits in the LCD-driver segment aimed at low-power human-machine interface products such as metering and thermostat panels. Key features include nanoWatt power management with multiple idle and sleep modes, an integrated LCD driver supporting up to 192 segments, a 10-bit ADC with up to 12 channels, three timers, two capture/compare/PWM modules, two USART modules, an SPI port, and an I2C port. The 64-pin TQFP (10x10 mm) package provides ample I/O for keypad scanning and segmented LCD glass. The device architecture pairs a Harvard bus with a 32-level hardware stack and interrupt prioritization. Internal RC, crystal, and PLL clock options let designers balance throughput against EMI for cost-sensitive consumer products. The 8 KB Flash supports self-programming under firmware control, enabling field upgrades through the USART bootloader. Typical applications include handheld utility meters, thermostats and HVAC controllers, home security keypads, point-of-sale terminals, and white-goods user interfaces that need direct LCD glass drive without an external segment driver. When designing with this part, reserve 2 to 3 I/O pins for In-Circuit Serial Programming (ICSP) and place a 10 kohm pull-up on MCLR to keep the device in reset only when intended; otherwise the device can enter programming mode during brown-out events. Verify segment loading against the LCD charge-pump capacitance budget before final layout. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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