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PIC18F27K42-I/ML - 8-Bit 64MHz 128KB Flash MCU | Microchip
PIC18F27K42-I/ML

PIC18F27K42-I/ML - 8-Bit 64MHz 128KB Flash MCU | Microchip

The Microchip PIC18F27K42-I/ML is an 8-bit PIC microcontroller from the PIC18FxxK42 family running at up to 64 MHz, integrating 128 KB of Flash program memory, 8 KB of RAM, and 1 KB of EEPROM in a 28-pin QFN (ML) 6x6 mm package. It is part of the XLP (eXtreme Low Power) family and ships with rich core-independent peripherals, intelligent analog peripherals (ADC2 with computation, 12-bit DAC, comparators, CVD), and multiple communication interfaces including UART, SPI, and I2C. An 8-bit PIC microcontroller (MCU) is a small, self-contained computer-on-a-chip built around an 8-bit data path and Harvard architecture. Within the embedded hierarchy, it sits under MCU -> microcontroller -> embedded processor -> semiconductor. PIC18F parts are Microchip's mid-range 8-bit family aimed at general-purpose and low-power embedded designs, bridging the 8-bit PIC16/16F and 16-bit dsPIC families. Key specifications include a 64 MHz maximum CPU clock (16 MIPS), 2.3 V to 5.5 V supply voltage with operation down to 1.8 V in LF variants, 12-bit ADC2 with up to 35 channels and automated post-processing, a 5-bit and 12-bit DAC, four 16-bit timers, two CCP/PWM modules, hardware CVD for capacitive touch, DMA, vector interrupts, and a Device Information Area (DIA). The QFN-28 6x6 mm package provides a compact thermal pad footprint suitable for space-constrained designs. Architecturally, the PIC18F27K42 uses an enhanced mid-range core with a hardware multiplier, indexed addressing, and C-optimized architecture, enabling efficient compiled C code with the MPLAB XC8 compiler. The integrated Direct Memory Access (DMA) controller can move data between peripherals and memory without CPU intervention, freeing the core for application logic and lowering active-mode current draw. The ADC2 block performs averaging, oversampling, threshold comparison, and filtering in hardware, which is uncommon in 8-bit MCUs. Typical applications include IoT sensor nodes, low-power battery-powered instrumentation, home appliances, industrial control, capacitive touch user interfaces, LED lighting controllers, automotive body electronics, and USB-to-UART bridge firmware when paired with the on-chip UART. The XLP features (sleep currents in the nA range, IDLE and DOZE modes) make it especially attractive for energy-harvesting and Always-On designs. A practical design consideration is that the QFN-28 exposed pad must be soldered to a sufficiently large copper pour to meet thermal and electrical ground requirements; otherwise, self-heating and EMI may degrade ADC readings. When migrating from the PIC18F27K40 family, confirm peripheral pinout compatibility because the K42 added several new peripherals with remapped I/O. This page synthesizes distributor pricing, datasheet cross-references, drop-in alternatives from the same PIC18F2xK42 family, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the PIC18F27K42-I/ML in context.

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PIC18F27K42-I/SO - 64MHz 8-Bit 128KB Flash MCU | Microchip
PIC18F27K42-I/SO

PIC18F27K42-I/SO - 64MHz 8-Bit 128KB Flash MCU | Microchip

The Microchip Technology PIC18F27K42-I/SO is an 8-bit PIC18 microcontroller built on the XLP (eXtreme Low Power) platform, delivering up to 64 MHz CPU performance with 128 KB of Flash program memory, 8 KB of SRAM, and 1 KB of EEPROM in a 28-pin SOIC package. This industrial-temperature (-40C to +85C) variant targets low-power and mixed-signal embedded designs that demand rich Core Independent Peripherals (CIPs) and on-chip intelligent analog. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), small EEPROM for data retention, plus a configurable set of digital and analog peripherals. The PIC18 family is Microchip's 8-bit RISC architecture with a 16-bit instruction word, optimized for deterministic real-time control. Within the broader taxonomy: PIC18 -> 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. The K42 sub-family extends the PIC18 line with hardware CIPs such as CLC, PWM, NCO and Configurable Logic Cell, enabling complex timing and signal conditioning without CPU intervention. Key features include a 12-bit ADC with Computation (ADC2) supporting up to 35 external channels with automated oversampling and averaging, a 10-bit DAC, two rail-to-rail op-amps usable in sleep mode, a hardware CVD (Capacitive Voltage Divider) for mTouch capacitive touch sensing, multiple UART/SPI/I2C peripherals, and Microchip's Peripheral Pin Select (PPS) for flexible I/O mapping. The integrated charge pump improves ADC performance at low VDD. The architecture is built around a 16-bit instruction path with an 8-bit data bus, 31-level hardware stack, and vectored interrupt controller. Power management includes Idle and Sleep modes with retention, an RTC with VBAT support via a dedicated RTCC pin, and typical Sleep currents measured in the sub-microamp range when using the on-chip low-power brown-out reset (LPBOR). Typical applications include IoT sensor nodes, home appliances and white goods, industrial control and HMI, battery-powered handheld instruments, capacitive touch user interfaces, and low-cost BLDC or stepper motor control. The XLP feature set also suits energy-harvesting and remote-control products where Sleep-mode current dominates battery life. Designers should plan for VDD decoupling of at least 100 nF plus 1 uF near the supply pins, and follow Microchip's recommended ICSPTM layout for in-circuit programming. The 28-SOIC variant (-I/SO suffix) trades thermal dissipation for board density; designs drawing more than 100 mA continuous per supply pin should evaluate the QFN/MLF package for improved theta-JA. This page synthesizes distributor pricing, drop-in 28-SOIC alternatives within the PIC18FxxK42 family, and practical design notes not duplicated in the manufacturer datasheet.

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PIC18F27K42-I/SP - 8-bit 64MHz MCU 128KB Flash 28-SPDIP | Microchip
PIC18F27K42-I/SP

PIC18F27K42-I/SP - 8-bit 64MHz MCU 128KB Flash 28-SPDIP | Microchip

The Microchip PIC18F27K42-I/SP is an 8-bit PIC18 microcontroller built on Microchip's enhanced mid-range core, integrating 128 KB of Flash program memory, 8 KB of SRAM and 1 KB of EEPROM in a 28-pin SPDIP (Skinny Plastic Dual In-line Package) with a maximum operating frequency of 64 MHz. The device operates from 2.3 V to 5.5 V, supports ADC2 (12-bit, up to 35 external channels with hardware post-processing), multiple USART/UART/I2C/SPI interfaces, a 24-channel Peripheral Pin Select matrix, a hardware CVD touch controller, and a 16-bit PWM with complementary outputs. An 8-bit microcontroller (MCU) is a programmable single-chip computer that processes data 8 bits at a time and integrates CPU, RAM, non-volatile program memory (Flash/ROM), EEPROM, digital I/O, timers, communication peripherals and often analog blocks. Within the broader taxonomy, the PIC18F27K42 belongs to: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18F2XK42 sub-family -> embedded controller. MCUs form the lowest tier of programmable logic above discrete logic, and are the workhorse of low-cost, low-power embedded control in appliances, sensors and motor nodes. Key features of this part include: the ADC2 with Computation engine that performs averaging, oversampling and threshold comparison in hardware (offloading the CPU), a charge-pump-assisted low-voltage ADC that remains accurate at VDD as low as 2.3 V, the Peripheral Pin Select (PPS) remapping matrix, and Microchip's eXtreme Low Power (XLP) technology with deep-sleep currents in the nanoamp range and multiple IDLE/DOZE/PMD power modes. A DMA-like unified data signal router, a 32-bit CRC scanner, and an integrated temperature indicator round out the on-chip intelligence. Architecturally, this device uses a 16-bit instruction word with 8-bit data path, Harvard cache, single-cycle hardware multiplier, vectored interrupts with hardware context save, and a deterministic interrupt latency. The Instruction Set Architecture (ISA) is the standard PIC18 instruction set with F2-generation extensions, supported by MPLAB X IDE, XC8 compiler and Microchip's Code Configurator graphical pin/peripheral setup. Typical applications include: home-automation capacitive-touch user interfaces, IoT sensor nodes, low-power battery-powered instruments, industrial control with multiple serial interfaces, and small appliance motor control. The wide VDD range and on-chip 12-bit ADC make it suitable for sensor-rich applications where BOM cost must stay low. When designing with this MCU, budget adequate VDD decoupling (100 nF + 1 uF bulk) within 5 mm of the supply pins, leave the MCLR pin accessible (or driven by an RC) for in-circuit serial programming (ICSP), and choose the SPDIP package only when through-hole assembly or socketed prototyping is needed; for high-volume SMT designs migrate to PIC18F27K42-I/SO (SOIC-28) or PIC18F27K42-I/ML (QFN-28). This page consolidates distributor pricing, datasheet pinout, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.

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PIC18F27K42-I/SS - 8-bit 64MHz 128KB Flash MCU 28-SSOP | Microchip
PIC18F27K42-I/SS

PIC18F27K42-I/SS - 8-bit 64MHz 128KB Flash MCU 28-SSOP | Microchip

The Microchip Technology PIC18F27K42-I/SS is an 8-bit RISC microcontroller from the PIC18 K42 family featuring 128 KB of Flash program memory, 8 KB of SRAM, and 1 KB of EEPROM, housed in a 28-pin SSOP package. It operates at up to 64 MHz using a high-performance PIC18 CPU core, integrates 16 MIPS performance, and is fabricated on CMOS technology with eXtreme Low Power (XLP) features. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes single-cycle instructions, combining deterministic real-time performance with ultra-low standby power. The PIC18 family extends this base with 16-bit opcodes, linear memory access, and a rich peripheral set; the K42 sub-family in particular adds Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Direct Memory Access (DMA), Numerically Controlled Oscillator (NCO), and intelligent analog blocks (12-bit ADC2 with Computation, 5-bit DAC, zero-cross detect, comparators). Positioned in the broader taxonomy, the PIC18F27K42 belongs to: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Key specifications include 128 KB (64K x 16) Flash program memory organized as words, 8 KB data RAM, 1 KB data EEPROM with high endurance, 12-bit ADC2 with up to 35 channels, 10-bit PWM with multiple channels, 5-bit DAC, two UART modules, two SPI/I2C, USB-ready peripherals, and DMA-driven operation. The device runs from 1.8 V to 5.5 V with multiple power-managed modes, watchdog timer, and an on-chip 32 kHz internal oscillator. Architecturally, the PIC18F27K42 separates Flash into 32 KB boot + 96 KB application with self-programmability, supports vectored interrupts with 6 priority levels, and integrates peripheral pin select (PPS) for flexible signal routing. XLP technology enables nanoWatt sleep currents below 50 nA, ideal for battery-powered sensor nodes. The CIP philosophy lets timers, PWMs, communications, and logic blocks operate without CPU intervention, freeing the core for application tasks. Typical applications include industrial sensor nodes, IoT edge devices, low-power battery telemetry, building automation, white-goods control boards, and automotive body modules (use PIC18F27K42-E/SS extended temp variants). It pairs naturally with Microchip RN4870 BLE modules, MCP1700 LDOs, and MCP9808 temperature sensors. When designing with this part, evaluate peripheral pin select assignments early because UART, SPI, and PWM signal mapping can otherwise lock pin assignments later. The DMA controllers can offload ADC-to-memory and UART-to-memory transfers, significantly reducing active-mode current and improving throughput. This page synthesizes distributor pricing, parametric drop-in alternatives from the same Microchip K42 family, and practical design notes not found in the manufacturer datasheet.

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PIC18F27K42T-I/ML - 128KB Flash 64MHz 8-bit MCU | Microchip
PIC18F27K42T-I/ML

PIC18F27K42T-I/ML - 128KB Flash 64MHz 8-bit MCU | Microchip

The Microchip PIC18F27K42T-I/ML is an 8-bit PIC18 microcontroller built on Microchip's eXtreme Low Power (XLP) technology platform, featuring 128 KB of Flash program memory, 8 KB of RAM, and 1 KB of EEPROM. Housed in a 28-pin QFN (6x6 mm) package with an exposed thermal pad, it operates at up to 64 MHz across an industrial temperature range of -40°C to +85°C. The part runs from a 2.3V to 5.5V supply and integrates DMA, vector interrupts, 12-bit ADC2, DAC, comparators, and PWM hardware. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and a wide set of on-chip peripherals such as timers, ADCs, and communication interfaces. MCUs sit at the bottom of the embedded control hierarchy - more specialized than a microprocessor (which needs external memory) and broader in scope than a DSP or ASSP. The 8-bit PIC18 class is tuned for low cost, deterministic real-time response, and straightforward C development with MPLAB XC8. PIC18F27K42 specifically targets low-power designs via nanoWatt XLP peripherals, idle/doze modes, and a switchable clock system that can run as low as 32 kHz on the internal oscillator. Key features include Cyclic Redundancy Check (CRC) for memory integrity, Direct Memory Access (DMA) for offloading CPU data movement, and a Device Information Area (DIA) for unique serialization. Communication peripherals cover UART, SPI, I2C, and the CLC (Configurable Logic Cell) blocks. The 12-bit ADC2 with computation engine performs hardware averaging and threshold comparison, reducing code overhead in sensor applications. The die uses an enhanced Harvard architecture with separate program and data buses, paired with a modified RISC instruction set that allows most instructions to execute in a single cycle. Internal voltage regulation supports a wide VDD range without external component changes, and the on-chip debug logic works natively with MPLAB X IDE via ICSP/ICD - no separate debug firmware is required. Typical applications include USB-C power delivery controllers, IoT sensor nodes, consumer white goods with capacitive touch UIs, industrial control, and low-power IoT edge nodes. The wide memory and rich peripheral mix also make it well suited for medical devices and handheld instrumentation. When designing with this part, take advantage of the DMA engine to keep CPU wake-time short and use the nanoWatt XLP sleep mode between sensor reads. The exposed pad on the QFN package must be soldered to the PCB ground plane for thermal and electrical performance. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not assembled in any single manufacturer datasheet, with comparison data compiled across the PIC18F2XK42 family and pin-compatible QFN-28 alternatives.

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PIC18F27K42T-I/SO - 64MHz 8-Bit XLP MCU, 128KB Flash | Microchip
PIC18F27K42T-I/SO

PIC18F27K42T-I/SO - 64MHz 8-Bit XLP MCU, 128KB Flash | Microchip

The Microchip Technology PIC18F27K42T-I/SO is an 8-bit PIC18 XLP microcontroller delivering 64 MIPS core performance at 64 MHz, with 128 KB of self-programmable Flash, 8 KB SRAM and 1 KB EEPROM, housed in a 28-pin SOIC (SO) wide-body package. The 'T' suffix denotes tape-and-reel packaging, the 'I' indicates the industrial -40C to +85C operating range, and the 'SO' package code denotes the 300-mil SOIC outline. According to the manufacturer datasheet family for PIC18(L)FxxK42, this device integrates a 12-bit ADC2 (up to 24 channels via internal mux), two 8-bit DACs, three op-amps, two comparators, a DMA controller, vector-interrupt engine and 16-bit PWM with complementary outputs. An 8-bit PIC microcontroller (MCU) is a von-Neumann or modified Harvard-class single-chip computer built around an 8-bit data path with on-chip Flash program memory, SRAM data memory and a rich peripheral set. PIC18F devices sit in the mid-performance tier of the Microchip 8-bit portfolio - above baseline PIC16F parts but below 16-bit dsPIC and 32-bit PIC32 families. XLP (eXtreme Low Power) is Microchip's branding for sleep-mode currents down to the nanoamp range, achieved through nanoWatt technology, deep sleep, and windowed watchdog/Wake-on-Change peripherals. Within the taxonomy, this part is an 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. Key features include Core Independent Peripherals (CIPs) such as CLC, NCO, 16-bit timer with PWM, configurable logic cells, and a math accelerator. The 12-bit ADC2 supports burst averaging and hardware accumulation, the 16-bit PWM offers four complementary pairs for motor or power conversion control, and the integrated op-amps can be used for signal conditioning without external components. The DMA controller moves data between peripherals and RAM without CPU intervention, freeing MIPS for application code and reducing deterministic latency for time-critical loops. Typical applications include industrial IoT sensor nodes, low-power handheld instrumentation, BLDC/PMSM motor control (using complementary PWM + op-amps for current sensing), capacitive-touch user interfaces, and battery-powered metering. The XLP sleep currents below 50 nA in deep sleep plus the integrated analog chain make the part particularly well suited to remote battery nodes where every microamp of standby current matters. When designing with this part, allocate pin functions early because the 28-pin SOIC shares analog, PWM and communication functions on every GPIO. Use the MPLAB X IDE with MCC (MPLAB Code Configurator) for peripheral setup, and budget 1.5 KB of Flash for the bootloader if In-Circuit Serial Programming (ICSP) is required in the field. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found on the manufacturer product page. All MPNs and specifications are traced to the data sources listed below.

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PIC18F27Q10-E/ML - 8-bit 64MHz 128KB Flash MCU 28-QFN | Microchip
PIC18F27Q10-E/ML

PIC18F27Q10-E/ML - 8-bit 64MHz 128KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC18F27Q10-E/ML is an 8-bit RISC microcontroller from the PIC18-Q10 family featuring a 64MHz core, 128KB of Flash program memory, 3.53KB of RAM and 1024 bytes of EEPROM, housed in a 28-pin QFN (6x6mm) package with exposed thermal pad. It integrates intelligent analog peripherals including a 10-bit ADC with Computation (ADC2), a 5-bit DAC, comparators, and configurable logic cells (CLC) for hardware-state-machine implementation. Operating from 2.3V to 5.5V with 5V-tolerant I/O, the device is engineered for robust real-time control and sensor-node applications where noise immunity and deterministic response are required. The XLP (eXtreme Low Power) family designation indicates sub-uA sleep current modes suitable for battery-backed designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and a rich set of peripherals (ADC, timers, communication interfaces) onto one silicon die. Within the broader taxonomy, an 8-bit MCU like the PIC18F27Q10 sits between simple 8-bit controllers and 32-bit Cortex-M devices: faster and more capable than a baseline 8051, but lower cost and easier to certify than an ARM core for cost-sensitive or safety-critical industrial applications. The PIC18-Q10 family specifically targets the gap between legacy PIC16 designs and 16-bit dsPIC33 controllers, delivering modern Core Independent Peripherals (CIPs) that offload work from the CPU. Key features of the PIC18F27Q10-E/ML include up to 35 I/O pins, four 16-bit timers, two CCP modules, an enhanced PWM with complementary outputs and a dedicated Configurable Waveform Generator (CWG), hardware CRC/Scan, multiple serial interfaces (UART, SPI, I2C), and the CLC peripheral that lets designers build glue logic in firmware-free hardware. The device also carries the CIP family of peripherals including HLT (Hardware Limit Timer) and NCO (Numerically Controlled Oscillator) for jitter-free waveform generation. The 28-QFN exposed-pad package provides thermal resistance suitable for full-speed industrial operation across -40C to +125C. Architecture is a Harvard-class modified RISC core with a 16-bit instruction word and 8-bit data path, executing most instructions in one oscillator cycle (4 clocks at 64MHz). The pipeline and shadow register sets enable fast interrupt response, while the peripheral pin-select (PPS) subsystem lets the designer remap digital peripherals to any I/O pin, simplifying PCB layout. Built-in clock sources include a 64MHz high-precision internal HFINTOSC plus a 32kHz LFINTOSC, eliminating the need for an external crystal in many designs. Typical applications include industrial sensor nodes, BLDC/PMSM motor control with the integrated CWG and CCP/PWM, IoT edge nodes with low-power sleep modes, lighting control with analog-rich feedback loops, and small appliances requiring a mix of touch, motor drive and serial communication. The wide 5V tolerance supports direct connection to industrial 5V rails without level shifters. When designing with the PIC18F27Q10-E/ML, ensure the exposed pad on the bottom of the QFN is soldered to a sufficiently large copper pour to keep theta_JA within datasheet limits. Use Microchip's MPLAB X IDE with the XC8 compiler for development; the CIP configuration tool inside MPLAB Code Configurator (MCC) accelerates peripheral setup. Decouple VDD with a 100nF ceramic cap per pin group plus a 10uF bulk cap, and follow the datasheet's analog and digital ground layout recommendations to fully exploit ADC2 accuracy. This page consolidates distributor pricing, same-brand drop-in alternatives (e.g. PIC18F26Q10, PIC18F25Q10) and practical design notes drawn from Microchip datasheets - information not aggregated on any single manufacturer or distributor page.

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PIC18F27Q10-I/SO - 64MHz 8-bit MCU 128KB Flash | Microchip
PIC18F27Q10-I/SO

PIC18F27Q10-I/SO - 64MHz 8-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC18F27Q10-I/SO is a high-performance 8-bit PIC18 RISC microcontroller featuring 128KB of Flash program memory, 3615 bytes of RAM, and 256 bytes of EEPROM, all housed in a 28-pin SOIC package. Operating at up to 64MHz from a 1.8V to 5.5V supply, it integrates intelligent analog peripherals (10-bit ADC, 5-bit DAC, comparators), Core Independent Peripherals (CIPs) including CLC, PWM, CCP, CWG, and HLT, and eXtreme Low-Power (XLP) technology for battery-friendly designs. The 5V-tolerant operation delivers increased noise immunity for robust industrial environments. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and I/O peripherals into one package. The PIC architecture is a Harvard-variant RISC design with separate program and data buses, enabling most instructions to execute in a single clock cycle. Within the broader taxonomy, a microcontroller sits at the leaf of the semiconductor hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The 'Q10' family suffix denotes Microchip's CIP-rich, low-power family optimized for sensor nodes and real-time control. Key differentiating features include 25 programmable I/O lines, four 16-bit timers, two I2C, two SPI, and two UART interfaces, plus a hardware DMA controller. The device supports up to 36 MIPS performance at 64MHz, allowing deterministic real-time control loops. On-board 10-bit ADC with up to 24 channels and 5-bit DAC enable sensor conditioning and signal generation without external components, while comparators and zero-cross detection simplify power-conversion feedback paths. The PIC18F27Q10 architecture combines a 16-bit instruction word with 8-bit data path, retaining the legacy PIC18 instruction set while adding modern peripherals. Internal voltage reference, programmable HLVD (high/low voltage detect), and CRC memory scan support functional-safety design patterns. The XLP Sleep mode draws nanoampere-class current, making the device suitable for battery-powered sensor nodes that must wake intermittently. Typical applications include industrial sensor nodes, IoT edge devices, consumer appliances with touch sensing, low-cost motor control (small BLDC and stepper drivers), and automotive body modules (with extended-temperature variants). The combination of integrated analog, 5V noise immunity, and 28-SOIC ease-of-manufacturing makes it well-suited to high-volume commercial designs. When designing with the PIC18F27Q10-I/SO, ensure decoupling capacitors (100nF + 1uF) are placed within 5mm of the VDD pins, and that the MCLR pull-up is correctly implemented per datasheet recommendations. The 64MHz internal oscillator eliminates the external crystal in most applications, reducing BOM cost and PCB area. For low-power designs, leverage the DOZE and PMD peripherals to gate unused modules. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the PIC18 family, and practical design notes that complement the manufacturer datasheet with cross-package selection guidance.

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PIC18F27Q10-I/SS - 8-Bit 64MHz MCU 128KB Flash 28-SSOP | Microchip
PIC18F27Q10-I/SS

PIC18F27Q10-I/SS - 8-Bit 64MHz MCU 128KB Flash 28-SSOP | Microchip

The Microchip Technology PIC18F27Q10-I/SS is an 8-bit PIC18 XLP microcontroller running up to 64MHz with 128KB Flash, 3.5KB SRAM and 1KB EEPROM, housed in a 28-pin SSOP package. It integrates 10-bit ADC, 5-bit DAC, comparators, CCP, PWM, CWG and HLT peripherals for robust real-time control. A microcontroller (MCU) is a single-chip computer containing a CPU, memory and peripherals. The PIC18 family sits within Microchip's 8-bit PIC portfolio, offering enhanced instruction set, hardware multiplier and 16-bit wide data path while retaining the classic PIC5/8 bits architecture. The PIC18F27Q10 line is optimized for low-power (XLP) sensor nodes and industrial 5V applications where noise immunity is critical. Key differentiating features include 128KB self-programmable Flash, 25 digital I/O pins, 4x 10-bit ADC with computation, configurable logic cells (CLC), multiple communication peripherals (UART/SPI/I2C) and 5V operation across -40C to +85C industrial range. Integrated peripherals such as Complementary Waveform Generator (CWG), Hardware Limit Timer (HLT) and zero-cross detect reduce external component count. The PIC18F27Q10-I/SS uses a RISC-style Harvard architecture with 49 instruction set and 16-bit instructions, achieving up to 16 MIPS at 64MHz. Core independent peripherals (CIPs) handle timing-critical functions in hardware, freeing the CPU for application logic and reducing firmware complexity. The device supports MPLAB ICD debugging and programming via standard tools. Typical applications include industrial sensor nodes, IoT edge devices, low-power battery-powered systems, automotive body controllers (non-afety), consumer appliances, touch-sensing front ends, and motor control auxiliary logic. The XLP technology delivers nanoWatt power-down currents below 50 nA typical, enabling multi-year battery life on a single coin cell. Designers should evaluate the 25 I/O budget versus required pin functions, account for SSOP thermal limits at high ambient, and confirm in-system programming path requirements. For designs needing more memory or I/O, PIC18F47Q10 (40/44-pin) and PIC18F57Q10 (48/64-pin) variants share peripheral IP. This page synthesizes distributor pricing, drop-in compatible alternatives and design notes not aggregated on the manufacturer datasheet or on distributor catalog pages. Engineers can use this synthesis to evaluate longevity, second-source options and application fit.

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PIC18F27Q10-I/STX - 8-Bit 64MHz 128KB Flash MCU | Microchip
PIC18F27Q10-I/STX

PIC18F27Q10-I/STX - 8-Bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18F27Q10-I/STX is an 8-bit PIC18-Q10 family microcontroller running at up to 64 MHz with 128 KB of Flash program memory and 28-VQFN (4x4 mm) exposed-pad package. It integrates intelligent analog peripherals, configurable logic cells (CLCs), and operates over 2.3V-5.5V with 5V tolerance for increased noise immunity in harsh environments. According to the manufacturer datasheet DS40002043B, the device includes 128 KB Flash, configurable peripherals and is optimized for robust real-time control and sensor-node designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage, SRAM for data, EEPROM for non-volatile data), and programmable peripherals into one IC. PIC18 microcontrollers are 8-bit Harvard-architecture MCUs from Microchip that combine high computational performance at an economical price point with extensive peripheral integration, including timers, communication interfaces (UART, SPI, I2C), and analog-to-digital converters. The Q10 family specifically extends the PIC18 line with intelligent analog (zero-cross detect, op amps, DACs), configurable logic cells, and 5V operation for improved noise immunity in industrial sensor-node designs. Key differentiating features include the integrated CLCs that let designers create custom hardware-based logic functions without external glue logic, the 5V-tolerant I/O for direct interface with industrial sensors, and the intelligent analog peripherals including a 12-bit ADC, DAC, op-amps, and zero-cross detect. The 128 KB Flash supports 10,000+ erase/write cycles for field-upgradable firmware, while 1 KB of EEPROM provides robust non-volatile data storage. The 64 MHz internal oscillator eliminates external crystals in cost-sensitive designs. Typical applications include industrial sensor nodes with analog signal conditioning, building automation controllers, low-power IoT edge devices, appliance control boards, and USB/HID human-interface devices. The 5V-tolerant I/O and wide operating voltage range make it especially well-suited for factory-floor equipment and HVAC controllers where electrical noise is common. When designing with this MCU, plan for in-circuit serial programming (ICSP) headers for production firmware updates and reserve the CLC outputs as PCB-trace routable signals. The exposed thermal pad on the 28-VQFN package must be soldered to the board ground plane for proper thermal dissipation and electrical performance. This page synthesizes distributor pricing, drop-in VQFN-28 alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F27Q10T-I/SO - 8-bit MCU, 128KB Flash, 64MHz | Microchip
PIC18F27Q10T-I/SO

PIC18F27Q10T-I/SO - 8-bit MCU, 128KB Flash, 64MHz | Microchip

The Microchip Technology PIC18F27Q10T-I/SO is an 8-bit PIC microcontroller with 128 KB Flash, 3.5 KB RAM and 256 B EEPROM, operating at up to 64 MHz in a 28-pin SOIC package. It integrates a 10-bit ADC with computation, a 5-bit DAC, comparators, PWM, CCP, CWG and HLT peripherals for robust real-time control and sensor interfacing. An 8-bit microcontroller (MCU) is a programmable logic device built around an 8-bit CPU core that executes instructions on 8-bit data. Within the broader semiconductor taxonomy, an MCU is a sub-category of microcontrollers, which sit under microprocessors, integrated circuits, and ultimately semiconductors. The 8-bit class emphasizes deterministic timing, low power, and ease of use, making it well-suited to cost-sensitive embedded control where 32-bit performance is unnecessary. Key features include 5V operation for enhanced noise immunity in industrial environments, integrated core-independent peripherals that offload tasks from the CPU, eXtreme Low Power (XLP) modes with sleep currents in the nanoamp range, and configurable logic cells for hardware customization. Communication interfaces include I2C, SPI, UART with LIN support, and CAN. The device also integrates a high-performance 10-bit ADC, a 5-bit DAC for analog output, multiple timers and PWM channels, and hardware limit timers for safety-critical applications. Architecturally, the PIC18F27Q10 uses an enhanced Harvard architecture with separate program and data buses, a 16-bit instruction word, and a hardware multiplier for DSP-like arithmetic. The 64 MHz internal oscillator, combined with a 4PLL multiplier, supports instruction cycles as fast as 62.5 ns. Built-in peripherals operate autonomously, freeing the CPU for application-level logic. Typical applications include industrial sensor nodes, motor control with BLDC/PMSM drive, low-power IoT edge nodes, building automation (HVAC, lighting), and automotive body electronics. The 5V-tolerant I/O and integrated analog simplify designs in noisy industrial environments while the XLP features extend battery life in portable systems. When designing with this MCU, ensure your linker script reserves the upper Flash for the device's interrupt vector table and that CWG, CCP and PWM channels are routed to the desired I/O pins to avoid conflicts. The SOIC-28 footprint is breadboard-friendly and supports hand-soldering for prototypes. 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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PIC18F27Q10T-I/SS - 128KB Flash 8-bit XLP MCU | Microchip
PIC18F27Q10T-I/SS

PIC18F27Q10T-I/SS - 128KB Flash 8-bit XLP MCU | Microchip

The Microchip Technology PIC18F27Q10T-I/SS is an 8-bit PIC® XLP™ 18Q microcontroller featuring 128 KB Flash, 3.5 KB SRAM, and 256 B EEPROM, operating up to 64 MHz in a 28-pin SSOP package. It includes integrated 10-bit ADC, 5-bit DAC, comparators, CCP, PWM, CWG, and HLT peripherals, and operates from 1.8 V to 5.5 V with 5 V tolerance for increased noise immunity. An 8-bit microcontroller (MCU) is a self-contained compute element that integrates a CPU, non-volatile program memory, working RAM, and a mix of analog/digital peripherals onto a single die. Within the broader taxonomy, an 8-bit MCU sits below 16-bit MCUs (e.g., dsPIC33) and 32-bit MCUs (e.g., Cortex-M0) in arithmetic throughput but offers the lowest cost, lowest power, and simplest instruction set, making it ideal for deterministic real-time control tasks. The PIC18 family is Microchip's enhanced 8-bit line, adding a hardware multiplier, linear memory map, and C-friendly architecture over legacy PIC16 parts. The PIC18F27Q10's Core Independent Peripherals (CIPs) - including CWG, HLT, CCP, PWM, and configurable logic cells - allow timing-critical functions to run without CPU intervention, freeing the 64 MHz core for application logic and communication stacks. The 5 V-tolerant I/O simplifies interface to legacy 5 V analog front-ends, while the nanoWatt XLP technology delivers sleep currents in the nanoamp range for battery-powered sensor nodes. Integrated op amps, comparators, and a 10-bit ADC with computation (ADC²) further reduce external BOM. Typical applications include IoT sensor nodes, low-power wireless sensor networks, building automation control, appliance motor control, and industrial sensor interfacing. The 5 V noise immunity also suits factory automation where long sensor cables pick up transients. When designing with the PIC18F27Q10, ensure decoupling capacitors (100 nF + 1 µF) are placed within 5 mm of VDD pins and that the ICSP™ programming pins (PGx/DGx) are not loaded down externally, otherwise in-circuit debug and programming will fail. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the Microchip datasheet, enabling faster part selection and BOM validation.

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PIC18F27Q10T-I/STX - 64MHz 8-bit MCU 128KB Flash | Microchip
PIC18F27Q10T-I/STX

PIC18F27Q10T-I/STX - 64MHz 8-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC18F27Q10T-I/STX is an 8-bit PIC18-Q10 family microcontroller running up to 64 MHz, integrating 128 KB Flash, 3.5 KB SRAM and 256 B EEPROM in a 28-pin VQFN (4x4 mm) package. It features a 10-bit ADC with Computation (ADC2), 5-bit DAC, comparators, CCP, PWM, CWG and Hardware Limit Timer (HLT), targeting robust real-time control and sensor-node designs. An 8-bit microcontroller (MCU) is a single-chip processor that integrates CPU core, program memory (Flash), data memory (SRAM), non-volatile data memory (EEPROM), digital I/O and on-chip peripherals into one package. It belongs to the broader hierarchy of microcontrollers -> embedded processors -> semiconductors. PIC18-family MCUs from Microchip use an enhanced Harvard architecture with a modified RISC core, 16-bit instructions and a rich peripheral set that is friendly to both C and assembly. Key features include 128 KB self-programmable Flash with device information area (DIA) and unique device ID, 3.5 KB SRAM plus 256 B EEPROM for data logging, 10-bit ADC2 with computation engine for automated Capacitive Voltage Divider (CVD) touch, and Configurable Logic Cells (CLC) for hardware state-machine glue logic. The peripheral pin select (PPS) system remaps digital functions to any I/O pin, simplifying PCB layout. The device runs across 2.3V-5.5V and is rated -40C to +85C industrial. The architecture combines an enhanced mid-range core with Core Independent Peripherals (CIPs) such as CLC, PWM, CWG and HLT. CIPs execute state-machine logic without CPU intervention, freeing the core for comms, sensor fusion and housekeeping. Integrated 5V operation provides increased noise immunity for industrial and automotive-adjacent environments, and the ADC2 engine offloads averaging, oversampling and threshold compare. Typical applications include capacitive touch user interfaces, IoT sensor nodes, BLDC/PMSM motor control with CWG and HLT, household appliances, smart energy metering and low-cost industrial control. The 128 KB Flash supports USB and CAN stacks as well as bootloader+application partitioning for field upgradability. When designing with this part, place a 100 nF decoupling capacitor close to each VDD pin and use PPS routing to keep high-speed signals short. For applications sensitive to noise, the ADC2 + CVD engine eliminates software averaging in many touch and sensor interfaces, reducing firmware complexity.

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PIC18F27Q43-E/SP - 8-bit 64MHz MCU, 128KB Flash, 28-SPDIP | Microchip
PIC18F27Q43-E/SP

PIC18F27Q43-E/SP - 8-bit 64MHz MCU, 128KB Flash, 28-SPDIP | Microchip

The Microchip Technology PIC18F27Q43-E/SP is an 8-bit PIC18 RISC microcontroller with a 64 MHz CPU, 128 KB of Flash program memory, and a 28-pin SPDIP (Skinny Plastic DIP) through-hole package, designed for real-time control and advanced signal-conditioning applications. It integrates a 12-bit ADC with Computation (ADCC) that automates Capacitive Voltage Divider (CVD) techniques for capacitive touch sensing and a new 16-bit PWM module providing dual independent outputs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), and peripherals on one die; the 8-bit PIC18 family uses an enhanced Harvard RISC architecture that excels at deterministic, bit-manipulation-heavy control tasks. Within the broader taxonomy, this part is an 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. PIC18F parts sit between the baseline PIC10/12/16 and the 16-bit dsPIC/PIC24 families, balancing code density, peripheral richness, and ease of use. Key features include XLP (eXtreme Low Power) technology for battery-friendly designs, hardware-Core Independent Peripherals (CIPs) for offloading tasks from the CPU, and configurable logic cells that replace discrete glue logic. Functional Safety (FuSa) features simplify IEC 61508 / ISO 26262 system designs, while 12-bit ADCC and high-resolution PWM make the part well suited to motor, power conversion, and lighting control. Architecturally, the device pairs a 16-bit instruction word with an 8-bit data path, executing most instructions in a single cycle thanks to the pipelined Harvard bus. The internal oscillator, MRAM/MIP latch, DMA-style memory-to-peripheral interconnects, and zero-cross detection reduce external component count while improving EMI performance in motor and lighting loops. Typical applications include industrial motor control and variable-frequency drives, switched-mode power supplies (SMPS) and digital lighting (DALI, DMX), capacitive touch human-machine interfaces (HMI), functional-safety appliances, and battery-powered IoT nodes. Designers choose this part when they need deterministic 8-bit control with rich analog and touch peripherals in a hobbyist-friendly DIP package. When designing with the PIC18F27Q43-E/SP, prefer the -E (extended) -40C to +125C grade for industrial exposure, and reserve the -I (industrial) -40C to +85C grade for cost-sensitive consumer designs. Verify the SPDIP footprint matches your PCB socket; the Q43 family also ships in SOIC, SSOP, QFN and TQFP variants for layout flexibility. This page synthesizes Microchip datasheet parameters, distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F27Q43-E/SS - 8-bit 64MHz 128KB Flash MCU | Microchip
PIC18F27Q43-E/SS

PIC18F27Q43-E/SS - 8-bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18F27Q43-E/SS is an 8-bit PIC microcontroller from the PIC18-Q43 family, integrating 128KB of Flash program memory, 8KB of SRAM, and 1KB of EEPROM into a 28-pin SSOP package. It executes instructions at 64MHz (16 MIPS) and combines Core Independent Peripherals such as six Direct Memory Access (DMA) controllers, Configurable Logic Cells (CLCs), three 16-bit dual PWMs, a 12-bit Analog-to-Digital Converter with Computation (ADCC), an 8-bit DAC, and comparators on a single die. An 8-bit microcontroller (MCU) is a Von-Neumann or Harvard-architecture processor that fetches, decodes, and executes instructions from on-chip program memory using an 8-bit data path. It is the workhorse of embedded control - a microcontroller is a self-contained computer on a single silicon die that includes CPU, non-volatile program memory, volatile data memory, peripherals, and interrupt logic. The PIC18F family sits in the high-performance tier of Microchip's 8-bit lineup, above PIC16F (mid-range) and below PIC24/dsPIC (16-bit), making it the natural choice for real-time control with deterministic interrupt latency and C-friendly instruction set. Key features include XLP (eXtreme Low Power) technology for sub-microamp sleep current, functional-safety (FuSa) diagnostics support, and a vectored interrupt controller with fixed three-cycle latency. Communication peripherals include I2C, SPI, UART with LIN, and CAN FD (on selected variants). The on-chip ADCC automates capacitive voltage divider (CVD) acquisition for advanced touch sensing. Architecturally, the Q43 family introduces new on-chip fabric that lets CLCs, PWMs, and the ADCC interconnect without CPU intervention - a hallmark of Core Independent Peripherals. This offloads deterministic timing tasks from the core, freeing MIPS for application logic and lowering system power. Typical applications include industrial control, automotive body and sensor nodes, IoT edge devices, capacitive touch user interfaces, LED lighting controllers, and small appliances. The wide operating voltage (1.8V-5.5V) and rich analog make it equally suited to battery-powered and line-powered designs. When designing with the PIC18F27Q43-E/SS, place a 100nF decoupling capacitor within 5mm of each VDD/VSS pair and provide bulk capacitance at the regulator output. Configure unused pins as outputs low to minimize shoot-through current, and use the ADCC's oversampling modes to relax analog filter requirements. This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC18-Q43 family and competing 8-bit MCUs in 28-pin SSOP, and practical design notes not collected in any single manufacturer datasheet.

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PIC18F27Q43-E/STX - 64MHz 8-bit MCU 128KB Flash | Microchip
PIC18F27Q43-E/STX

PIC18F27Q43-E/STX - 64MHz 8-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC18F27Q43-E/STX is an 8-bit PIC18 XLP microcontroller delivering 64 MHz CPU performance with 128 KB Flash, 8 KB SRAM, and 1 KB EEPROM, housed in a 28-pin VQFN (4x4) package. It targets real-time control applications with on-board functional-safety support, a 12-bit ADC-with-Computation (ADCC), 8-bit DAC, three analog comparators, six DMA controllers, and six 16-bit PWM outputs. The device operates from 2.5 V to 5.5 V and is qualified over the -40 °C to +125 °C extended industrial range. A PIC18 8-bit microcontroller is a Harvard-architecture RISC MCU optimized for deterministic real-time control with rich Core Independent Peripherals (CIPs). In the broader taxonomy it sits within microcontroller -> 8-bit MCU -> PIC MCU -> PIC18 family -> PIC18-Q43 sub-family. The Q43 generation specifically adds Direct Memory Access (DMA), Configurable Logic Cells (CLCs), high-resolution 16-bit PWM and the ADCC engine for hardware-averaged capacitive touch sensing. Key features of this part include 128 KB self-programmable Flash with device information area, 8 KB SRAM, 1 KB EEPROM, six DMA channels, four CLCs, three 16-bit dual PWMs (six outputs), a 12-bit ADCC with up to 35 analog channels, two 8-bit DACs, three comparators with 5-bit DAC references, and multiple serial interfaces including UART, SPI, and I2C. Vectored interrupts with programmable base address and fixed three-cycle latency shorten interrupt response. Architecturally, the PIC18F27Q43 uses Microchip's enhanced mid-range core with a modified Harvard bus, hardware multiplier (8x8), and a peripheral engine that offloads CIP tasks from the CPU. The ADCC performs oversampling, averaging, threshold comparison, and CVD touch decoding entirely in hardware, allowing the CPU to remain in sleep for low-power duty-cycled applications. Typical applications are BLDC and PMSM motor control (sensorless FOC), digital power conversion (digital PFC and LLC), LED lighting drivers, capacitive touch HMI, functional-safety appliance controllers, and industrial sensor hubs. The wide 2.5 V to 5.5 V supply range simplifies interfacing to both 3.3 V and 5 V logic domains. When designing with the PIC18F27Q43-E/STX, ensure the exposed pad is soldered to a sufficiently large thermal copper pour and that the ICSP/PGD/PGC lines include ESD protection. For functional-safety designs, the dedicated FuSa libraries and self-test routines from Microchip should be integrated per the device errata and DS00002147 datasheet. Note that the /STX suffix indicates an extended-temperature grade VQFN-28 variant; the /STX is the lower-pin-count sibling to the 40-/48-pin Q43 family members.

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PIC18F27Q43-I/SO - 128KB Flash 8-bit MCU, 28-SOIC | Microchip
PIC18F27Q43-I/SO

PIC18F27Q43-I/SO - 128KB Flash 8-bit MCU, 28-SOIC | Microchip

The Microchip Technology PIC18F27Q43-I/SO is an 8-bit PIC microcontroller with 64MHz CPU, 128KB Flash, 8KB RAM, and 1KB EEPROM in a 28-pin SOIC package, designed for real-time control with Functional Safety (FuSa) features. It integrates a 12-bit ADC with Computation (ADCC) supporting capacitive voltage divider (CVD) touch sensing, three 16-bit dual PWMs providing six PWM outputs, three operational amplifiers, two 8-bit DACs, six DMA controllers, and vectored interrupts with three-cycle fixed latency. The device operates from 1.8V to 5.5V and is qualified for the -40C to +85C industrial temperature range. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory (Flash), data memory (RAM), and peripherals on a single silicon die. The PIC18 architecture is Harvard-organized with separate program and data buses, and the PIC18F27Q43 belongs to the PIC18-Q43 family which combines Microchip's most popular Core Independent Peripherals (CIPs) with advanced signal routing. This category of MCU sits in the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC, and is typically used where deterministic real-time response, low power, and rich analog integration are required. Key differentiating features include six DMA controllers that move data without CPU intervention, hardware 16-bit PWM with independent time bases, the ADCC that automates averaging and oversampling, and 10-bit slope compensation for power-conversion loops. The functional safety (FuSa) documentation and built-in diagnostics make the part attractive for safety-related industrial and appliance designs. With XLP (eXtreme Low Power) technology and the ability to wake from sleep on peripheral triggers, the device fits battery-powered and energy-harvesting applications. Typical applications include industrial real-time control (BLDC motor drives, power conversion), capacitive touch user interfaces for appliances and consumer products, lighting controls, IoT sensor nodes, and USB-to-UART bridges when paired with the on-chip USB 2.0 FS peripheral. The 28-pin SOIC footprint offers generous analog channels and PWM outputs in a through-hole-friendly SMD package that supports hand-prototyping as well as high-volume SMT assembly.

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PIC18F27Q43-I/SP - 8-Bit 64MHz MCU, 128KB Flash 28-SPDIP | Microchip
PIC18F27Q43-I/SP

PIC18F27Q43-I/SP - 8-Bit 64MHz MCU, 128KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC18F27Q43-I/SP is an 8-bit PIC18 microcontroller in the PIC18-Q43 family featuring a 64 MHz CPU, 128 KB of Flash program memory, 8 KB of RAM, and 1 KB of EEPROM, housed in a 28-pin SPDIP (SP) package. It belongs to the Functional Safety (FuSa) XLP™ family and integrates six Direct Memory Access (DMA) controllers, three 16-bit dual PWMs (six PWM outputs total), a 12-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) techniques, a 5-bit DAC, comparators, configurable logic cells (CLC), CWG, HLT, WWDT, SCAN/CRC, and zero-cross detect (ZCD). The 64 MHz core delivers up to 16 MIPS instruction throughput, and the integrated peripherals offload tasks from the CPU for deterministic real-time control. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a rich set of on-chip peripherals such as ADCs, timers, communication controllers, and PWMs. The PIC18 family uses an enhanced 8-bit Harvard architecture with modified RISC instruction set, positioned between simple 8-bit MCUs (e.g., PIC10/PIC16) and higher-end 16-bit dsPIC or 32-bit ARM Cortex-M parts. Within the XLP™ (eXtreme Low Power) lineup, the 'Q43 sub-family targets advanced real-time control with extensive Core Independent Peripherals (CIPs) that operate without CPU intervention, enabling responsive motor, lighting, and power-conversion feedback loops. Key features of the PIC18F27Q43-I/SP include 128 KB self-programmable Flash with code protection, a 12-bit ADC with up to 200 ksps conversion rate and automated post-processing math, six independent DMA channels for peripheral-to-memory transfers, vectored interrupt controller with fixed latency of three instruction cycles, and the Functional Safety diagnostics library for IEC 61508 SIL 2/3 capable designs. The 'I/SP suffix denotes the industrial temperature grade (-40°C to +85°C) in the through-hole 28-SPDIP package. Typical applications include industrial sensor conditioning, capacitive touch user interfaces, low-power IoT edge nodes, white goods and HVAC control, BLDC/PMSM motor control with field-oriented control, LED lighting drivers with smooth dimming, and battery-powered instrumentation where XLP sleep currents extend operating life. The integrated ADCC and 16-bit PWMs are particularly well suited to digital power conversion and resonant converter control loops. When designing with this part, take care that the 28-SPDIP package has limited thermal headroom and slower heat dissipation than surface-mount QFN variants; for reflow-only assemblies the PIC18F27Q43-I/SO or -I/SS is the recommended counterpart. Provide a clean 3.0-5.5 V supply with adequate decoupling near the VDD pins and route the MCLR reset circuit with the recommended RC network. For new designs, also evaluate the PIC18F27Q10 as a lower-cost follow-on.

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PIC18F27Q43-I/STX - 64MHz 8-bit MCU, 128KB Flash, 28-VQFN | Microchip
PIC18F27Q43-I/STX

PIC18F27Q43-I/STX - 64MHz 8-bit MCU, 128KB Flash, 28-VQFN | Microchip

The Microchip Technology PIC18F27Q43-I/STX is an 8-bit PIC microcontroller from the PIC18-Q43 family, operating at up to 64 MHz with 128 KB of on-chip Flash, 8 KB SRAM, and 1 KB EEPROM, housed in a 28-pin VQFN (4x4 mm, STX) package. It integrates a 12-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider (CVD), an 8-bit DAC, on-chip comparators, and a new 16-bit Pulse-Width Modulation (PWM) module with dual outputs for advanced motor and power-conversion control. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, volatile data memory, and integrated peripherals such as ADCs, timers, and communication interfaces. Within the semiconductor taxonomy, an MCU belongs to Integrated Circuits > Microcontrollers, and the PIC18F27Q43-I/STX sits within Microchip's PIC18 enhanced core family, which adds hardware multipliers, C-compiler-friendly architecture, and rich Core Independent Peripherals (CIPs) that can operate without CPU intervention. These CIPs include the ADCC, CWG (Complementary Waveform Generator), DSM (Data Signal Modulator), and configurable logic cells that together reduce firmware burden and improve deterministic real-time response. Key differentiating features include XLP (eXtreme Low-Power) technology with sleep currents in the sub-microamp range, Functional Safety (FuSa) hardware support for safety-critical designs, and the ADCC's automated signal conditioning for capacitive touch and sensor averaging. The new 16-bit PWM, with 32-bit period and duty-cycle resolution, enables finer-grained control of switching power supplies, LED drivers, and brushless DC motor phases than typical 10-bit PWMs. Architecturally, the device uses Microchip's enhanced PIC18 RISC core with a hardware multiply engine and a vectored interrupt structure. The 12-bit ADCC performs oversampling and accumulation in hardware, offloading DSP-style filtering from the CPU. Voltage supply spans 2.3 V to 5.5 V, allowing direct Li-ion, 3.3 V, or 5 V rails. Industrial-grade temperature range of -40 C to +85 C supports harsh environments. Typical applications include real-time control systems (BLDC/PMSM motor drives, digital power), capacitive touch user interfaces, sensor signal conditioning, industrial IoT edge nodes, LED lighting controllers, and Functional Safety subsystems such as appliance or e-mobility control. Per the Microchip datasheet 40002147, the ADCC's CVD mode supports robust touch sensing even through thick overlays. When designing with this part, place decoupling capacitors (100 nF + 1 uF) as close as possible to VDD/AVDD pairs and provide a low-impedance ground pour under the 4x4 mm QFN thermal pad. For motor-control and Class-D audio applications, use the CWG and DSM peripherals to generate dead-band control without CPU load. This page synthesizes distributor pricing, drop-in alternatives within the same 28-VQFN footprint, and practical design notes that go beyond the manufacturer datasheet's typical applications, helping engineers select, source, and integrate the PIC18F27Q43-I/STX efficiently.

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PIC18F27Q43T-I/STX - 64MHz 128KB Flash 8-bit MCU | Microchip
PIC18F27Q43T-I/STX

PIC18F27Q43T-I/STX - 64MHz 128KB Flash 8-bit MCU | Microchip

The Microchip Technology PIC18F27Q43T-I/STX is an 8-bit PIC18 XLP microcontroller (MCU) with 128KB Flash, 8KB SRAM and 1KB EEPROM, executing instructions at up to 64MHz from a 28-pin VQFN-EP (4x4 mm) package. It integrates a 12-bit differential ADC2 with computation, an 8-bit DAC, comparators, multiple op-amps, a 16-bit PWM and Core Independent Peripherals (CIPs) connected via a flexible signal-routing fabric. The 'T' suffix indicates tape-and-reel packaging and the 'I' temperature grade covers -40C to +85C industrial operation. An 8-bit PIC microcontroller is a Harvard-architecture CMOS device that executes one byte-wide instruction per cycle from on-chip Flash, with peripherals and interrupt logic integrated onto the same die. PIC18 sits inside Microchip's mid-range 8-bit family, above the PIC16 baseline and below PIC24/dsPIC 16-bit parts, and is widely used where deterministic behavior, low power, and rich analog integration matter more than raw CPU throughput. Functional-safety (FuSa) documentation is available to assist IEC 61508 SIL-2 capable designs, which positions the Q43 family for safety-critical sensor and control subsystems. Key features include up to 64MHz CPU speed (16 MIPS), 128KB self-programmable Flash program memory with device information area (DIA) and unique ID, 8KB SRAM, 1KB EEPROM, a 12-bit differential ADC2 with oversampling and accumulators, an 8-bit DAC, multiple zero-cross detect op-amps, comparators, 16-bit PWM with complementary outputs, UART/SPI/I2C, and rich DMA-style peripheral triggers. The 28-VQFN-EP (4x4 mm) package gives a compact footprint with an exposed thermal pad for heat spreading. The device uses Microchip's enhanced PIC18 RISC core with a 16-bit instruction word and 31-level hardware stack. The peripheral interconnect fabric allows peripherals to be chained without CPU intervention, lowering interrupt latency and active-mode energy. The 12-bit ADC2 with averaging, accumulation and threshold compare simplifies firmware sensor conditioning, while the flexible PWM and CWG let designers generate sophisticated motor and lighting waveforms. Typical applications include industrial sensor nodes, IoT edge controllers, functional-safety subsystems, motor and lighting control, battery-powered metering and CryptoSecure-enabled appliance controllers. The wide operating voltage and eXtreme Low Power (XLP) sleep modes suit battery and energy-harvesting designs, while on-chip CAN-FD-friendly peripherals make it viable for automotive body and appliance controllers. When designing, ensure the exposed pad on the VQFN-28 is soldered to a sufficient ground copper pour for thermal and electrical performance. MPLAB X IDE with MPLAB Code Configurator (MCC) and the XC8 compiler are the recommended toolchain, and the PIC18F27Q43T-I/STX is pin-compatible with other 28-pin PIC18FxxQ43 variants.

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PIC18F27Q83-E/SO - 8-bit 64MHz 128KB Flash MCU with CAN | Microchip
PIC18F27Q83-E/SO

PIC18F27Q83-E/SO - 8-bit 64MHz 128KB Flash MCU with CAN | Microchip

The Microchip Technology PIC18F27Q83-E/SO is an 8-bit PIC18 microcontroller IC running at up to 64 MHz with 128 KB of Flash program memory, packaged in a 28-pin SOIC (SO-300mil) for surface-mount designs. The device integrates 13 KB of RAM, 1 KB of EEPROM, and a rich Core Independent Peripherals (CIP) set including a 12-bit ADC with computation, a 12-bit DAC, op-amps, comparators, DSM, PWMs, ZCD, and MVIO — alongside CAN, I2C, SPI, and UART communication interfaces. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, peripherals, and I/O into one package. PIC18 microcontrollers use Microchip's enhanced 8-bit RISC architecture and sit at the bottom of the embedded hierarchy: 8-bit core -> PIC18 family -> 8-bit MCU -> microcontroller -> embedded system -> semiconductor. The PIC18-Q83 family emphasizes low-power operation with active CIPs that run independently of the core, reducing CPU load and power consumption. Key features include a 64 MHz maximum clock frequency providing up to 16 MIPS throughput, a wide 1.8 V to 5.5 V operating supply voltage for direct battery and 5V-rail operation, and 25 I/O pins to support mixed-signal interfaces. The 12-bit ADC with Computation (ADC2) offloads averaging, threshold comparison, and filtering from the CPU. Hardware peripherals such as the 16-bit PWMs, configurable op-amps, and comparators enable motor, lighting, and power-conversion control loops. Internally, the PIC18F27Q83 employs a Harvard architecture with separate program and data buses, a hardware multiplier, and an 8-level hardware stack. The CIPs — including CWG, NCO, DSM, math accelerator, and signal measurement timers — collectively allow a wide range of functional safety, motor-control, and IoT tasks to be handled without CPU intervention, freeing the core for application logic. Typical applications include automotive body and sensor networks using the integrated CAN bus, industrial control with mixed-signal sensor acquisition, motor control and LED drivers using the PWMs and op-amps, and low-power IoT sensor nodes leveraging the CIP-based autonomous peripherals. The wide operating voltage range makes it equally suited to 3.3V battery-powered and 5V industrial-rail designs. When designing with this part, place 100 nF decoupling capacitors on every VDD pin, route analog and digital grounds to a single-point star ground, and reserve a few GPIOs as test points for in-circuit programming and debug. Use Microchip's MPLAB X IDE with MPLAB Code Configurator (MCC) to auto-generate CIP initialization code. This page consolidates distributor pricing, drop-in SOIC-28 alternatives, and practical design notes for the PIC18F27Q83-E/SO that go beyond the manufacturer's datasheet summary.

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PIC18F27Q83-E/SS - 8-bit 64MHz 128KB Flash MCU with CAN | Microchip
PIC18F27Q83-E/SS

PIC18F27Q83-E/SS - 8-bit 64MHz 128KB Flash MCU with CAN | Microchip

The Microchip Technology PIC18F27Q83-E/SS is an 8-bit PIC18-family microcontroller featuring a 64 MHz CPU, 128 KB of Flash program memory, 13 KB of SRAM, and 1 KB of EEPROM in a 28-pin SSOP package. It integrates CAN 2.0B, a 12-bit ADC with Computation (ADC3), a 5-bit DAC, Core Independent Peripherals (CIPs), DMA, and CCP/PWM/SMT/UART/SPI/I2C interfaces, optimized for cost-sensitive industrial and automotive sensor, motor, and lighting nodes. An 8-bit microcontroller (MCU) is a programmable computing engine built around an 8-bit data path, an ALU, on-chip Flash for code, SRAM for variables, and EEPROM for non-volatile data, plus a rich set of mixed-signal peripherals. In the broader IC taxonomy, PIC MCUs sit under PIC18 -> 8-bit PIC -> microcontroller -> embedded processor -> semiconductor. The 'Q83 family' combines CAN connectivity with high-density Flash and CIPs, making it a mid-range choice between PIC16 baseline and PIC32 32-bit devices. Key differentiating features include 128 KB self-programmable Flash with Device Information Area (DIA) and Device Configuration Information (DCI), 1024 bytes EEPROM rated for 100k erase/write endurance, the 12-bit ADC3 with automated Accumulate, Average, Burst Average, and Low-Pass Filter modes, plus CLC, CWG, DSM, NCO, and SMT peripherals. The on-board DMA controller offloads memory-to-peripheral transfers, freeing the CPU for application logic. From an architectural standpoint, the PIC18-Q83 uses an enhanced Harvard bus with a 16-bit instruction word and an 8-bit data path, dual-clock LP/IRC oscillator options, and nanoWatt XLP power management. The integrated CIP block, including Configurable Logic Cells (CLC), enables hardware-state-machine functions without firmware intervention - useful for deterministic sensor conditioning or motor commutation timing. The CAN module supports CAN 2.0B active with bit rates up to 1 Mb/s. Typical applications include industrial sensor conditioning, automotive body and lighting control, LIN/CAN node ECUs, BLDC/PMSM low-power motor commutation, and LED lighting controllers. The wide 1.8V-5.5V VDD range (extended industrial -40C to +125C) supports battery-powered and 5V industrial bus systems. A key design consideration is mapping high-utilization peripherals onto DMA channels and using CIPs to handle bit-banged protocols in hardware rather than firmware, which is the main architectural advantage of the PIC18-Q83 over older PIC18F-K42 designs.

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PIC18F27Q83-I/5N - 8-bit 64MHz 128KB Flash MCU | Microchip
PIC18F27Q83-I/5N

PIC18F27Q83-I/5N - 8-bit 64MHz 128KB Flash MCU | Microchip

The Microchip PIC18F27Q83-I/5N is an 8-bit PIC18 microcontroller running at 64 MHz with 128 KB of Flash, 13 KB of RAM, and 1 KB of EEPROM, housed in a 28-pin VQFN (6x6 mm) package with 25 I/O pins. It operates across 1.8 V to 5.5 V and integrates a 12-bit ADC, an 8-bit DAC, a DSM (Data Signal Modulator), multiple PWM channels, and CAN bus support, plus standard I2C/SPI/UART peripherals for embedded connectivity. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data path that executes instructions on 8-bit-wide registers while typically embedding Flash program memory, SRAM data memory, EEPROM, and a rich peripheral set (ADC, timers, communication controllers). The PIC18 architecture sits in the middle of Microchip's 8-bit lineup, offering higher performance (up to 64 MHz / 16 MIPS with the C compiler-optimized core), more memory, and more Core Independent Peripherals (CIPs) than the baseline PIC16 family. In the broader taxonomy: microcontroller -> embedded MCU -> 8-bit MCU -> PIC18 family -> PIC18-Q83 sub-family with CAN. Key features include 24-channel 12-bit ADC with computation, 1 channel of 8-bit DAC, 4 CLCs (Configurable Logic Cells), DSM, multiple PWM/Capture/Compare modules, CAN FD, and a comprehensive Core Independent Peripheral set that lets timers, ADCs and communications operate with zero CPU intervention, freeing the core for application logic. The 28-VQFN package delivers a compact 6x6 mm footprint while still exposing 25 GPIO lines. Typical applications include automotive body and comfort networks (CAN bus nodes), industrial sensor hubs, sensor transmitter modules, HVAC control boards, motor control subnodes, and lighting controllers where the combination of low power, small footprint, and CAN connectivity offers strong system-level value. Design consideration: With 1.8 V to 5.5 V operation, this part can run from a single Li-ion cell down to deep discharge. The internal 64 MHz HFINTOSC eliminates the need for an external crystal in many cost-sensitive designs, but for CAN bus timing accuracy the user should select the PLL-driven external oscillator chain.

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PIC18F27Q83-I/SO - 64MHz, 128KB Flash, 8-bit MCU w/ CAN | Microchip
PIC18F27Q83-I/SO

PIC18F27Q83-I/SO - 64MHz, 128KB Flash, 8-bit MCU w/ CAN | Microchip

The Microchip Technology PIC18F27Q83-I/SO is an 8-bit PIC microcontroller running at up to 64 MHz with 128 KB of Flash, 13 KB of SRAM, and 1 KB of EEPROM, housed in a 28-pin SOIC (300 mil) package. The device integrates a Controller Area Network (CAN) FD peripheral, a 12-bit ADC with Computation (ADC2), a 12-bit DAC, op-amps, comparators, zero-cross detect, and the rich Core Independent Peripherals (CIPs) catalog that defines the PIC18-Q83 family. A PIC18 microcontroller is a family of 8-bit Harvard-architecture RISC microcontrollers from Microchip Technology. PIC18F parts sit in the mid-range tier of the 8-bit portfolio (PIC10/12/16/18), above the baseline PIC16 and below the PIC24/dsPIC33 16-bit families. They are engineered for deterministic, low-power embedded control with on-chip peripherals that can run autonomously from the CPU via CIPs, freeing the core for application logic and communication stacks. Key features of the PIC18F27Q83 include a hardware multiplier, 8-bit CIP-driven timer/Signal Routing, UART/SPI/I2C, a DMA-like Peripheral Pin Select (PPS), 24-channel 12-bit ADC2 with post-processing, a 5-bit DAC and 8-bit DAC, four op-amps, and a fast CAN FD controller. eXtreme Low Power (XLP) technology with multiple power-managed modes enables deep sleep currents in the sub-uA range for battery-friendly designs. The architecture pairs an 8-bit accumulator-based core with a 14-bit instruction word and a hardware 8x8 multiplier, yielding predictable interrupt latency (typically 5 instruction cycles) and short context save/restore. The 24-channel ADC2 plus dual on-chip op-amps allow direct sensor conditioning for motor control or power conversion without external analog ICs. Typical applications include automotive body and CAN node controllers, industrial sensor conditioning, BLDC/PMSM motor control, LED lighting, IoT edge nodes, and consumer devices needing low-power mixed-signal control. Engineers frequently pair the PIC18F27Q83 with the PIC18-Q84 family when a second CAN FD channel is required, or migrate to dsPIC33 for higher computational load. When laying out a board, allocate separate analog and digital ground planes returning to a single point near the VDD pin, place the 0.1 uF + 1 uF + bulk VDD/VSS caps within 5 mm of the device, and route MCLR to a dedicated pull-up tied to a quiet rail. For CAN bus designs, keep the CANH/CANL pair impedance-controlled (120 ohm differential) and add a common-mode choke. This page consolidates distributor pricing, drop-in alternatives drawn from the PIC18-Q83 family, and practical design notes that are not present in the manufacturer datasheet, with the goal of accelerating BOM selection and PCB bring-up.

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