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Productos (18756)

PIC18LF47J53-I/PT - 8-Bit 48MHz 128KB Flash MCU | Microchip
PIC18LF47J53-I/PT

PIC18LF47J53-I/PT - 8-Bit 48MHz 128KB Flash MCU | Microchip

The Microchip PIC18LF47J53-I/PT is an 8-bit PIC18 XLP nanoWatt microcontroller featuring 128KB Flash, 4KB RAM, integrated full-speed USB 2.0, and a 48MHz internal oscillator, housed in a 44-pin TQFP (10x10mm) package. It operates from 2.0V to 3.6V, delivers 12 MIPS performance, and offers 34 I/O pins with Peripheral Pin Select (PPS) for flexible peripheral-to-pin mapping. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus architecture, integrating a CPU, Flash program memory, SRAM, and peripherals into one package. PIC microcontrollers use a modified Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution. The PIC18 family sits within the broader MCU hierarchy as follows: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "LF" prefix denotes the low-voltage F-class variant, optimized for 2.0V-3.6V battery-powered designs. Key features of the PIC18LF47J53 include 12-bit ADC with up to 13 channels, mTouch capacitive touch sensing via the CTMU peripheral, a hardware Real-Time Clock/Calendar (RTCC), deep sleep mode with RAM retention drawing under 100nA, and nanoWatt XLP power management. The integrated USB 2.0 full-speed transceiver supports both device and host/OTG operation with on-chip transceiver and 3.3V voltage regulator. The architecture combines a 16-bit instruction word with an 8-bit data path, providing 16-bit opcode density for compact code while maintaining 8-bit register efficiency. The internal PLL multiplies an 8MHz oscillator to 48MHz, supporting instruction-cycle execution at 12 MIPS. Peripheral Pin Select remaps digital I/O functions, allowing PCB layout reuse across multiple product variants. Typical applications include USB HID peripherals, capacitive touch human-machine interfaces, low-power sensor nodes with USB data logging, battery-powered data loggers, and consumer electronics with touch-based control panels. The wide 2.0V-3.6V range suits single-cell Li-ion and 2x AA battery configurations. When designing with this MCU, allocate 4KB RAM for USB endpoint buffers and stack; the 3.8KB usable RAM after USB enumeration must be budgeted for application variables. Enable the internal PLL last in the configuration sequence to ensure clean USB clock startup. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not consolidated in the manufacturer datasheet, including USB buffer RAM budgeting and PLL startup sequencing recommendations verified against Microchip application notes.

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PIC18LF47J53T-I/PT - 8-bit USB MCU, 128KB Flash, 48MHz | Microchip
PIC18LF47J53T-I/PT

PIC18LF47J53T-I/PT - 8-bit USB MCU, 128KB Flash, 48MHz | Microchip

The Microchip Technology PIC18LF47J53T-I/PT is an 8-bit PIC microcontroller from the PIC18 XLP 18J family with integrated full-speed USB 2.0, 128KB Flash program memory (64K x 16), 3.8KB RAM, and a 48MHz internal oscillator, housed in a 44-pin TQFP (PT) package rated for the -40C to +85C industrial temperature range. The LF prefix denotes the low-voltage variant that operates from 2.0V to 3.6V, making it suitable for battery-powered applications where the standard F variant (2.15V to 3.6V) would draw excessive quiescent current. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, Flash program memory, SRAM, peripherals, and I/O. Within the broader taxonomy, PIC18 MCUs sit between baseline PIC10/12/16 devices and the 16-bit PIC24/dsPIC families, and they belong to the microcontroller -> embedded processor -> semiconductor hierarchy. The XLP (eXtra Low Power) designation indicates Microchip's nanoWatt technology for sleep currents in the nanoamp range. Key features include 128KB self-programmable Flash, 34 I/O pins, a 12-bit ADC with up to 13 channels, full-speed USB 2.0 device/host/OTG, mTouch capacitive touch sensing via the CTMU module, Real-Time Clock/Calendar (RTCC) with deep sleep mode, Peripheral Pin Select (PPS) for flexible I/O mapping, and an internal 48MHz oscillator. The 128KB Flash is organized as 64K x 16, while the 3.8KB RAM supports data buffering for USB endpoints and application stacks. The architecture uses an enhanced Harvard design with a 16-bit instruction word and 8-bit data path, achieving up to 12 MIPS at 48MHz. The 12-bit ADC and the CTMU enable capacitive touch sensing without external components, while the USB SIE handles low-level protocol so that the CPU can focus on application code. Typical applications include USB peripherals (HID, CDC, MSD), capacitive touch user interfaces, low-power sensor nodes, consumer electronics with battery charging, and industrial control panels. The combination of integrated USB and XLP nanoWatt deep sleep eliminates external peripheral ICs and reduces BOM cost. When designing, evaluate the 2.0V to 3.6V supply range carefully because the LF variant cannot operate above 3.6V; for 5V-tolerant designs use the F variant PIC18F47J53. Also, plan PPS mapping early because once firmware is built around a pin assignment, mid-project changes require re-compiling with a new PPS configuration. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18LF47K40-E/MV - 8-Bit 64MHz XLP MCU 128KB Flash | Microchip
PIC18LF47K40-E/MV

PIC18LF47K40-E/MV - 8-Bit 64MHz XLP MCU 128KB Flash | Microchip

The Microchip Technology PIC18LF47K40-E/MV is an 8-bit PIC18 XLP microcontroller operating at up to 64MHz with 128KB Flash, 4KB RAM, and 256B EEPROM, housed in a 40-pin UQFN (MV) 5x5mm package with exposed pad. It targets ultra-low-power general-purpose and battery-driven applications and combines rich analog peripherals with Core Independent Peripherals (CIPs) for offloading of CPU tasks. What is a PIC18 XLP microcontroller? An XLP (eXtreme Low-Power) PIC18 is a member of the 8-bit PIC18 family that integrates nanoWatt sleep modes, low-current brown-out reset, and a wide 1.8V-3.6V operating range to maximize battery life. The PIC18 family is the high-performance 8-bit tier above PIC16, sitting under the 16-bit dsPIC/PIC24 and 32-bit PIC32/SAM families in the Microchip MCU hierarchy. XLP technology targets IoT nodes, wearables, remote sensors, and energy-harvesting systems where standby current dominates energy budget. Key features include a 10-bit ADC with Computation (ADCC) automating Capacitive Voltage Divider (CVD) for advanced touch sensing, a 5-bit DAC, two comparators, two PWM modules, CCP, CWG (Complementary Waveform Generator), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Zero-Cross Detect (ZCD), and Peripheral Pin Select (PPS) for flexible signal routing. The PIC18LF47K40 also integrates EUSART plus dual SPI/I2C interfaces, 35 I/O pins, IDLE/DOZE/PMD power-management modes, and a 64MHz internal oscillator. The 'LF' prefix denotes the low-voltage (1.8V-3.6V) variant, while the 'F' only variant (PIC18F47K40) extends to 5V operation. Architecture-wise the device uses a modified Harvard RISC core with 16-bit instructions, hardware multiply, and a C-compiler-friendly instruction set. Core Independent Peripherals let CIPs communicate and trigger each other without CPU intervention, allowing the core to remain in sleep for extended periods, which is critical for battery life. PPS provides remapping of digital peripherals to multiple pins, simplifying PCB layout and BOM. Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, battery-powered consumer devices, home automation controllers, and small industrial control nodes. The 40-pin UQFN with 35 I/Os offers generous signal routing for mixed analog/digital designs and is well suited to compact SMD assemblies. When designing with this device, observe the 1.8V-3.6V supply window on the LF variant, place the exposed pad (EP) on a top-layer copper pour connected to VSS, and reserve one ICP/ICD pin pair for in-circuit debug. Use PPS to reassign peripheral functions and reuse existing footprints when migrating to 28- or 44-pin cousins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF47K40-E/PT - 128KB Flash 8-bit XLP MCU | Microchip
PIC18LF47K40-E/PT

PIC18LF47K40-E/PT - 128KB Flash 8-bit XLP MCU | Microchip

The Microchip Technology PIC18LF47K40-E/PT is an 8-bit PIC18 microcontroller with 128 KB Flash, 4 KB RAM, and 256 B EEPROM running up to 64 MHz, housed in a 44-pin TQFP (10x10 mm) package. It operates from 1.8 V to 3.6 V and offers 36 I/O pins, integrating a 10-bit ADC with Computation (ADC2), a 5-bit DAC, comparators, CCP, PWM, CWG, HLT, WWDT, ZCD, and Peripheral Pin Select (PPS). An 8-bit microcontroller (MCU) is a single-chip computer that uses an 8-bit data path and is widely deployed in cost-sensitive, low-power embedded products. The PIC18 family is Microchip's high-performance 8-bit line, sitting hierarchically under microcontroller -> embedded processor -> semiconductor. The LF prefix denotes the low-voltage (1.8 V to 3.6 V) variant of the K40 family, while the F variant (PIC18F47K40) extends the range to 5 V. Both share the same peripherals, allowing drop-in PCB migration when the supply rail changes. Key features include eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents, Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/Memory Scan, ZCD, and Hardware CVD, plus 256 B of high-endurance EEPROM and a peripheral pin select that remaps digital functions to any I/O. The integrated 10-bit ADC2 performs automated averaging and threshold comparison, offloading CPU overhead. Typical applications include low-power IoT sensor nodes, consumer white goods, motor control signal conditioning, human-machine interface panels, and battery-powered instrumentation. The 44-pin TQFP gives 36 usable I/O, enough to drive LCDs, keypads, and multiple sensor interfaces without external glue logic. When designing with this part, ensure the supply stays within 1.8 V to 3.6 V and use MPLAB X IDE with XC8 compiler. Decouple VDD with a 100 nF + 1 uF pair placed within 5 mm of the pins, and follow the pinout in section 1.0 of the manufacturer datasheet. The PIC18LF47K40-E/PT is the extended (-40C to +125C) operating-range grade, making it suitable for industrial and automotive under-hood environments. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF47K40-I/ML - 64MHz 128KB Flash 8-Bit XLP MCU | Microchip
PIC18LF47K40-I/ML

PIC18LF47K40-I/ML - 64MHz 128KB Flash 8-Bit XLP MCU | Microchip

The Microchip PIC18LF47K40-I/ML is a low-power 8-bit PIC18 microcontroller with 128 KB Flash, 3.6 KB RAM and 1 KB EEPROM, running at up to 64 MHz from a 1.8 V to 3.6 V supply. Housed in a 44-pin QFN (8x8 mm) package, the device combines the XLP (eXtreme Low Power) feature set with Core Independent Peripherals to address both battery-powered and line-powered applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and configurable peripherals such as timers, ADCs, communication interfaces and GPIO into one package. Within the broader taxonomy, this part belongs to the 8-bit MCU category -> RISC microcontroller -> embedded controller -> semiconductor IC. PIC18 devices use an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, offering higher code density than baseline PIC16 parts while remaining easier to migrate than 32-bit platforms. Key features include 36 GPIO, a 10-bit ADC with up to 35 channels, multiple UART/SPI/I2C peripherals, a 16-bit PWM, a windowed watchdog timer, a CRC scanner, and a complementary waveform generator. The 64 MHz internal oscillator (with PLL) delivers up to 16 MIPS while keeping external components low. The XLP nanoWatt technology supports sleep currents below 50 nA in selected modes, enabling multi-year battery life in sensor nodes. The architecture integrates a 32-level hardware stack, an instruction pipeline, and prioritized interrupts. Core Independent Peripherals such as CWG, SMT, NCO and DMA-free event system offload timing-critical tasks from the CPU, allowing deterministic behaviour without software overhead. The on-chip ICD allows in-circuit debugging via two pins without an additional emulator. Typical applications include IoT sensor nodes, home automation controllers, low-power wireless modules, industrial HMI panels, battery-backed metering, and consumer appliances. The wide 1.8 V-3.6 V range simplifies direct connection to single-cell Li-ion or two-cell alkaline packs. When designing with this device, allocate decoupling capacitance close to each VDD/VSS pair, route the ICSP clock/data lines symmetrically to allow in-circuit programming, and review the errata document for current revision limitations. This page combines distributor pricing, pin-compatible drop-in alternatives, and design notes not consolidated on the manufacturer datasheet.

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PIC18LF47K40-I/MV - 8-bit 64MHz XLP MCU 128KB Flash UQFN-40 | Microchip
PIC18LF47K40-I/MV

PIC18LF47K40-I/MV - 8-bit 64MHz XLP MCU 128KB Flash UQFN-40 | Microchip

The Microchip Technology PIC18LF47K40-I/MV is an 8-bit PIC18 microcontroller from the PIC18 K40 family, combining 128 KB of Flash program memory with eXtreme Low-Power (XLP) technology in a 40-pin UQFN 5x5 mm package. It executes instructions at up to 64 MHz, integrates 4 KB of SRAM and 256 B of EEPROM, and operates across the 1.8 V to 3.6 V range targeted at low-voltage, battery-friendly applications. Core-independent peripherals such as the 10-bit ADC with Computation (ADCC), Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/SCAN, Zero-Cross Detect (ZCD) and a 5-bit DAC reduce CPU load and enable event-driven designs. According to the Microchip PIC18(L)F27/47K40 datasheet, the part delivers high computational performance at an economical price point with the addition of high-endurance program Flash memory. Background: a microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a mix of digital and analog peripherals. The PIC18 family is Microchip's 8-bit mid-range architecture using a 16-bit instruction width with an 8-bit data path, optimized for deterministic interrupt response and ease of C compilation via the XC8 toolchain. The 'LF' suffix indicates the low-voltage F-variant that runs from 1.8 V to 3.6 V, making it a member of the power-management IC ecosystem for battery-powered and energy-harvesting products. Key features: 128 KB Flash organized as 64K x 16, 4 KB SRAM, 256 B EEPROM, 36 available I/O pins, and rich analog integration including the ADCC with capacitive voltage divider (CVD) support for advanced touch sensing. The XLP technology provides sub-uA sleep currents and active-mode currents below 1 mA/MHz, suitable for always-on sensor nodes. The UQFN-40 5x5 mm package and -40C to +85C industrial temperature range make the part friendly to compact PCB layouts. Technical depth: the K40 family emphasizes Core Independent Peripherals (CIPs) that operate without CPU intervention. The ADCC automates averaging, oversampling, burst accumulation and CVD sequences for capacitive touch; the CWG generates complementary PWMs with dead-band control for driving MOSFET half-bridges; the WWDT allows a tighter supervisory window than a conventional WDT; and the on-chip 5-bit DAC and ZCD simplify closed-loop power and motor control loops. The 64 MHz FOSC delivers roughly 16 MIPS, sufficient for state-machine control and protocol bridging. Typical applications include IoT sensor nodes, capacitive touch user interfaces, low-power battery-powered instruments, LED lighting controllers, small motor control (BLDC, fan) and general-purpose embedded control in industrial and consumer products. The wide low-voltage range supports direct connection to single-cell Li-Ion or two-AA alkaline stacks. Design consideration: when migrating from the 'F' (5 V) to the 'LF' (3.3 V) variant, confirm that peripherals and I/O logic levels remain within the 1.8 V to 3.6 V supply rail, and review the configuration words for the low-voltage brown-out reset threshold. This page synthesizes distributor pricing, drop-in same-package alternatives from the Microchip PIC18 K40 family, and practical design notes not found in the manufacturer datasheet alone, giving embedded engineers a single reference for sourcing, replacement, and bring-up decisions.

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PIC18LF47K40-I/P - 8-Bit 64MHz 128KB Flash MCU | Microchip
PIC18LF47K40-I/P

PIC18LF47K40-I/P - 8-Bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18LF47K40-I/P is an 8-bit PIC18 microcontroller from the XLP (eXtreme Low Power) family, delivering 64 MIPS performance from a 64 MHz core while running from a 1.8V to 3.6V supply and packaged in a 40-pin PDIP (0.600 inch, 15.24 mm). It integrates 128 KB of Flash program memory (64K x 16 organization), 4 KB of SRAM, and 256 bytes of EEPROM, providing ample headroom for application code and data retention in general-purpose embedded designs. 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 timers, ADC/DAC, communication interfaces, and I/O ports. The PIC18 family occupies the upper tier of Microchip's 8-bit portfolio, balancing deterministic Harvard architecture, an industry-standard instruction set, and low cost with abundant code space. The 'LF' suffix denotes the low-voltage (1.8V-3.6V) variant optimized for battery-powered or energy-harvesting systems where XLP technology enables nanoWatt sleep currents below 50 nA. Key features of this device include an integrated 10-bit ADC with computation, a 5-bit DAC, multiple PWM/CCP/CWG channels for motor and lighting control, a windowed watchdog timer (WWDT), hardware CRC/SCAN, a Zero-Cross Detect (ZCD) module, and Core Independent Peripherals that offload tasks from the CPU. Communication is supported by EUSART, MSSP (I2C/SPI), and multiple timers. The 128 KB Flash supports high-endurance 10K/100K write/erase cycles typical of XLP Flash. Hardware math accelerator and 32-bit accumulator instructions accelerate arithmetic-intensive routines. Architecturally, the PIC18LF47K40 implements a RISC Harvard core with a 16-bit instruction word, an 8-level hardware stack, and interrupt-driven control with hardware context save/restore. Core Independent Peripherals (CIPs) such as the CWG, NCO, and configurable logic cells allow complex timing, signal generation, and inter-peripheral triggering without CPU intervention, reducing firmware complexity and active-mode power. The XLP nanoWatt sleep modes (Sleep, Deep Sleep, and Retention) deliver standby currents that enable multi-year battery life in sensor-edge applications. Typical applications include low-power IoT sensor nodes, battery-backed industrial control, HVAC and home appliance control, motor control (BLDC, fan, pump), LED lighting drivers, consumer electronics with capacitive touch, automotive body and accessory modules, and educational or hobby platforms (PIC-based development). The 40-pin PDIP through-hole form factor is particularly suited to breadboard prototyping, legacy designs, and hand-soldered production. When designing with the PIC18LF47K40-I/P, observe the 1.8V-3.6V supply window - the 5V-tolerant I/O feature applies only to the higher-voltage PIC18F47K40 variant. Use MPLAB X IDE with the XC8 compiler for firmware development, and Microchip's Code Configurator (MCC) plug-in to generate peripheral initialization code and shorten prototype timelines. A 100 nF decoupling capacitor should be placed within 5 mm of each VDD/VSS pin pair. This page synthesizes distributor pricing, drop-in same-package alternatives, and application-specific design notes not found in the manufacturer datasheet, with values cross-referenced against Microchip's PIC18(L)F27/47K40 family datasheet (DS40001844E) and live distributor listings as of 2026-09-29.

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PIC18LF47K40-I/PT - 128KB Flash 8-bit XLP MCU 44-TQFP | Microchip
PIC18LF47K40-I/PT

PIC18LF47K40-I/PT - 128KB Flash 8-bit XLP MCU 44-TQFP | Microchip

The Microchip PIC18LF47K40-I/PT is a low-power, high-performance 8-bit PIC18 microcontroller with 128 KB Flash, 4 KB RAM, and 256 B EEPROM, operating at up to 64 MHz across a 1.8 V to 5.5 V supply range. Housed in a 44-pin TQFP (10x10 mm) package, it integrates 10-bit ADC, 5-bit DAC, comparators, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, and ZCD peripherals, optimized for XLP (eXtreme Low Power) operation in general-purpose embedded designs. A PIC18 microcontroller is an 8-bit Harvard-architecture RISC MCU from Microchip's PIC (Peripheral Interface Controller) family. It is a member of the broader microcontroller hierarchy: PIC18 -> PIC -> 8-bit MCU -> microcontroller -> semiconductor. The PIC18 line balances code density, performance (up to 16 MIPS at 64 MHz), and rich peripherals, making it the workhorse of the PIC family for cost-sensitive yet feature-rich applications. The 'LF' prefix denotes the wide-voltage, low-power variant suitable for battery-powered systems. Key features include Core Independent Peripherals (CIPs) such as CWG, HLT, ZCD, and SCAN/CRC that operate without CPU intervention, dramatically reducing active time and power. The device supports up to 36 I/O pins, multiple communication interfaces (UART, SPI, I2C), and offers eXtreme Low-Power sleep currents below 100 nA in deep sleep mode. The 10-bit ADC with computation (ADC2) automates averaging and threshold comparisons in hardware. The PIC18LF47K40 uses a 14-bit instruction word optimized for C compilers (MPLAB XC8) and supports hardware multiply and divide for DSP-like routines. The internal 64 MHz oscillator provides flexible clocking, while the WWDT and CRC/SCAN modules enhance functional safety for IEC 60730 class B compliance. The 44-TQFP footprint (10x10 mm) suits both hand-prototyping and high-density SMT production. Typical applications include consumer appliance control, IoT sensor nodes, battery-powered instrumentation, industrial automation, and human-machine interface (HMI) panels. The wide voltage range (1.8 V-5.5 V) and XLP features suit devices that spend most of their life in sleep mode, waking periodically to sample sensors. When designing, prioritize using the Core Independent Peripherals to offload timing-critical tasks from the CPU. Place decoupling capacitors (100 nF + 1 µF) close to VDD/AVDD and provide a dedicated trace to VSS for noise-sensitive analog references. Configure the unused pins as outputs low to minimize leakage. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the PIC18LF47K40-I/PT for low-power embedded designs with concise engineering guidance.

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PIC18LF47K40T-I/MV - 64MHz 128KB Flash 8-bit MCU | Microchip
PIC18LF47K40T-I/MV

PIC18LF47K40T-I/MV - 64MHz 128KB Flash 8-bit MCU | Microchip

The Microchip PIC18LF47K40T-I/MV is a low-power, high-performance 8-bit microcontroller from the PIC18 XLP family, featuring a 64 MHz CPU core, 128 KB Flash program memory, 4 KB RAM, and 256 B EEPROM, housed in a 40-pin UQFN (5x5 mm) package. It combines the eXtreme Low-Power (XLP) technology with core-independent peripherals (CIPs), enabling long battery life for general-purpose and IoT-style designs. A PIC18 microcontroller is an 8-bit RISC-architecture MCU in the broader category of microcontrollers -> embedded controllers -> integrated circuits. The PIC18 family uses a Harvard architecture with separate program and data buses, optimized for C-compiled code. The LF sub-family denotes the low-voltage variant (1.8 V to 3.6 V), while the K-series adds high-performance analog and CIPs. Key features include a 10-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) for touch sensing, a 5-bit DAC, multiple comparators, PWM/CCP/CWG peripherals, a hardware limit timer (HLT), windowed watchdog timer (WWDT), SCAN/CRC, zero-cross detection (ZCD), Peripheral Pin Select (PPS), and an EUSART interface. It supports up to 36 I/O pins and operates across -40C to +85C. The CIPs let timers, PWMs, and communication peripherals run without CPU intervention, dramatically reducing active time and average current draw. Combined with XLP sleep currents in the sub-microamp range, this device fits energy harvesting and battery-powered designs. Typical applications include capacitive touch user interfaces, low-power sensor nodes, home appliances, motor control (BLDC/PMSM with CWG), automotive body modules (non-safety), industrial control panels, and general-purpose embedded control. Designers migrating from older PIC16/PIC18 devices benefit from a streamlined instruction set and dual-capture compare. Design tip: a 0.1uF bypass capacitor must be placed within 5 mm of VDD, with separate bulk capacitance if the application drives high-current peripherals. PPS allows flexible signal routing but requires explicit pin configuration in code. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes that complement the manufacturer datasheet for faster engineer evaluation.

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PIC18LF47K40T-I/PT - 8-Bit XLP MCU, 128KB Flash, 44-TQFP | Microchip
PIC18LF47K40T-I/PT

PIC18LF47K40T-I/PT - 8-Bit XLP MCU, 128KB Flash, 44-TQFP | Microchip

The Microchip PIC18LF47K40T-I/PT is an 8-bit PIC18 microcontroller featuring 128 KB Flash, 4 KB RAM, and 256 B EEPROM, operating up to 64 MHz in a 44-pin TQFP (10x10 mm) package. Built on Microchip's eXtreme Low-Power (XLP) technology platform, the device targets battery-powered and energy-harvesting designs where nanoWatt sleep currents are essential. It integrates a 10-bit ADC with Computation (ADCC), a 5-bit DAC, comparators, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, and PPS routing. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory, working RAM, and a rich set of on-chip peripherals such as timers, ADCs, and communication interfaces. Within the embedded hierarchy, the PIC18LF47K40 sits between PIC16 mid-range parts (lower pin count, less memory) and PIC32 32-bit parts (higher performance, ARM/MIPS core). Its LF prefix denotes the low-voltage F variant (1.8-3.6 V operation), making it the lowest-power member of the PIC18F47K40 family and a direct fit for 2xAA/coin-cell rails. Key differentiating features include the 10-bit ADCC that automates Capacitive Voltage Divider (CVD) measurements for mTouch touch sensing, eliminating host CPU cycles for averaging and oversampling. Core-independent peripherals such as the CWG (Complementary Waveform Generator), HLT (Hardware Limit Timer), and ZCD (Zero-Cross Detect) run without core intervention, further reducing average power. The 35-channel ADC, 4 EUSART/SPI/I2C-capable MSSP ports, and Peripheral Pin Select (PPS) give layout flexibility unusual for an 8-bit part. Typical applications include capacitive touch user interfaces (white goods, industrial keypads), battery-powered sensor nodes (IoT end devices, smart locks), low-power motor control (small BLDC fans, stepper indexers), and mains-powered appliance control (washing machines, HVAC controllers). The LF variant specifically supports 1.8 V minimum VDD for direct connection to a single Li-ion cell or 2xAA alkaline pack. When designing with this part, always enable the internal LFINTOSC for the deepest sleep modes and route wake-up events through PPS-mapped interrupts to avoid full-core wake-ups. The 44-pin TQFP footprint is shared with the PIC18F47K40 and PIC18LF47K40-I/PT, enabling PCB reuse across F/LF/temperature-grade variants. According to Microchip application note AN2914, XLP sleep currents below 60 nA are achievable with RTC-from-LFINTOSC and full peripheral disable. This page synthesizes DigiKey/Mouser distributor pricing, parametric drop-in alternatives, and practical design notes not found in the manufacturer datasheet - enabling faster engineering decisions for PIC18LF47K40T-I/PT evaluation, sourcing, and second-source qualification.

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PIC18LF47K42-E/P - 8-bit 64MHz 128KB Flash MCU | Microchip
PIC18LF47K42-E/P

PIC18LF47K42-E/P - 8-bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18LF47K42-E/P is an 8-bit PIC microcontroller from the PIC18F family with XLP (eXtreme Low Power) technology, operating up to 64 MHz with 128 KB of Flash program memory, 8 KB of RAM, and 1 KB of EEPROM in a 40-pin PDIP (DIP) through-hole package. The LF suffix denotes the low-voltage (1.8 V to 3.6 V) variant, making it suitable for battery-powered and energy-harvesting designs where the standard F variant (2.3 V to 5.5 V) cannot be used. 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. The PIC18 family is built around an enhanced 8-bit Harvard RISC core with hardware multiplier, interrupt controller, and peripheral pin select (PPS) that maps digital peripherals to physical I/O pins at runtime. Within the broader taxonomy, the PIC18LF47K42 sits in the 8-bit MCU tier of the Microcontroller -> Microcomputer -> Embedded System hierarchy and is one of Microchip's higher-density XLP parts. Key differentiating features include 12-bit ADC with computation (ADC2) for oversampling and automated threshold detection, vector interrupts for deterministic interrupt latency, Direct Memory Access (DMA) controller that moves data between peripherals and memory without CPU intervention, Peripheral Pin Select (PPS) for flexible I/O mapping, multiple PWM modules, on-chip DAC, comparators, and a 32 MHz internal oscillator. The XLP designation adds nanoWatt XLP technology with sleep currents in the nanoampere range, ideal for always-on IoT sensors that spend most of their life in sleep. Typical applications include industrial sensor nodes, battery-powered IoT edge devices, home automation controllers, low-power remote controls, motor-control signal conditioning front-ends, and portable medical monitoring. The wide memory and rich analog/digital peripherals also suit mains-powered appliances (white goods) where firmware complexity has outgrown lower-tier PIC16 parts. When designing with this part, ensure the LF voltage range (1.8 V to 3.6 V) is observed - using 5 V will damage the LF silicon. For prototypes, the PIC18LF47K42-I/P (industrial temperature grade) is interchangeable electrically and pin-compatible; the -E/P suffix designates the extended (-40 C to +125 C) operating temperature grade. Programming is supported by MPLAB X IDE, MPLAB XC8 compiler, and PICkit or ICD debug probes. This page synthesizes distributor stock, parametric alternatives, and practical design notes that are not found in the manufacturer datasheet alone, including thermal behavior guidance and PPS mapping tips drawn from Microchip application notes.

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PIC18LF47K42-E/PT - 8-bit 64MHz 128KB Flash MCU | Microchip
PIC18LF47K42-E/PT

PIC18LF47K42-E/PT - 8-bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18LF47K42-E/PT is an 8-bit PIC microcontroller in the PIC18FxxK42 family, featuring a 64MHz CPU, 128KB of Flash program memory (64K x 16 organization), 8KB SRAM and 1KB EEPROM, housed in a 44-pin TQFP (10x10 mm) package. The "LF" prefix denotes the 1.8V-3.6V low-voltage variant of the family and the part operates over the -40C to +125C extended automotive temperature range. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, typically integrating a CPU core, non-volatile program memory (Flash), working RAM, EEPROM, and a rich set of on-chip peripherals. PIC microcontrollers sit within the broader hierarchy of embedded controllers -> microcontrollers -> integrated circuits -> semiconductors, and use a RISC Harvard architecture that separates program and data buses for deterministic instruction throughput. Key features of the PIC18LF47K42-E/PT include a 35-channel 12-bit ADC with computation (ADC2), a 5-bit DAC, vector interrupts, DMA, Peripheral Pin Select (PPS), zero-cross detect (ZCD), complementary waveform generator (CWG), configurable logic cells, hardware limit timer (HLT), windowed watchdog (WWDT), scan/CRC, UART, SPI, and I2C. The XLP (eXtreme Low Power) technology delivers deep sleep currents in the nanoampere range, enabling battery-powered sensor nodes that can run for years on a single coin cell. The device uses a 16-bit instruction word with a two-stage pipeline and a hardware multiply/divide engine, providing effective throughput up to 16 MIPS at 64MHz. The MAP (Memory Access Partitioning) and DIA (Device Information Area) features support bootloader design and serialized traceability for field deployment. Typical applications include industrial IoT edge nodes, automotive body controllers, USB-CDC sensor hubs, low-power wireless sensor nodes, white-goods motor control (using CWG + PWM), and consumer HMI products. The wide analog and PWM peripherals also make the part well-suited to LED lighting drivers and small BLDC or stepper control loops. When designing with the PIC18LF47K42-E/PT, ensure the supply is decoupled with at least 100nF next to each VDD/VSS pair, configure PPS carefully to avoid peripheral pin conflicts, and respect the 1.8V-3.6V VDD range of the LF device. For 5V-tolerant I/O, the non-LF PIC18F47K42-E/PT must be selected instead. This page synthesizes distributor pricing, drop-in alternatives, application circuits and design notes not consolidated on the manufacturer datasheet, giving embedded engineers a single reference for evaluation and procurement.

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PIC18LF47K42-I/MV - 8-bit 64MHz 128KB Flash MCU | Microchip
PIC18LF47K42-I/MV

PIC18LF47K42-I/MV - 8-bit 64MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18LF47K42-I/MV is a low-power, high-performance 8-bit PIC microcontroller from the PIC18(L)FxxK42 family, featuring a 64 MHz CPU, 128 KB of Flash program memory, 8 KB of RAM, and 1 KB of EEPROM, housed in a 40-pin UQFN 5x5 mm package. The integrated XLP (eXtreme Low Power) technology delivers nanoWatt sleep currents, making the part attractive for battery-powered edge and IoT nodes that wake briefly to perform work and return to deep sleep. The peripheral set includes a 12-bit ADC with computation, two DACs, comparators, configurable logic cells, multiple PWM/SCCP/MCCP timers, DMA, vectored interrupts, and CIP (Core Independent Peripherals) for offloading tasks from the core. An 8-bit microcontroller is a small, single-chip computer built around an 8-bit data path. It executes one byte per instruction cycle and is widely used in embedded systems where deterministic behavior, low cost, and ultra-low standby power matter more than raw compute. PIC18 devices sit within a hierarchy of microcontrollers -> 8-bit MCUs -> flash-based MCUs -> low-power MCUs (XLP family) -> semiconductor. Within that taxonomy the PIC18LF47K42 represents the highest-density member of the K42 generation. Key features include 36 digital I/O pins, four 16-bit timers with CCP, two 10-bit PWMs, DMA controller, two I2C/SPI/UART interfaces, a 12-bit differential ADC capable of up to 30 channels in select packages, two 8-bit DACs, and a windowed watchdog timer. The 'LF' prefix denotes the 1.8V-3.6V F (Flash) process variant, whereas the 'F' version extends to 5.5V. The device operates from -40C to +85C in the -I industrial grade. The architecture combines a 16-bit wide instruction word with an 8-bit data path, achieving near-RISC efficiency. CIP blocks (CLC, NCO, CWG, DSM, math accelerator, hardware limit timer) let peripherals handshake without CPU intervention, which shortens firmware and reduces average current. Hardware DMA moves data between peripherals and RAM, leaving the core idle. Typical applications include low-power IoT sensor nodes, home automation, wireless remote controls, HVAC thermostats, battery-powered medical peripherals, and small industrial control boards where the UQFN footprint saves PCB area. Designers also use this part for touch/proximity front-ends, motor control loops up to a few hundred Hz, and human-machine interface panels. When designing, choose the LF variant for 1.8V-3.6V battery rails, and ensure the UQFN thermal pad is soldered to a sufficient copper pour (typically 1 cm2 minimum) to meet theta_JA. The Debug pins (PGD/PGC) require a 4.7 kohm pull-up on MCLR for reliable ICSP. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes curated for PIC18LF47K42-I/MV that go beyond the manufacturer datasheet.

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PIC18LF55K42-E/MV - 8-bit 64MHz XLP MCU 32KB Flash | Microchip
PIC18LF55K42-E/MV

PIC18LF55K42-E/MV - 8-bit 64MHz XLP MCU 32KB Flash | Microchip

The Microchip Technology PIC18LF55K42-E/MV is an 8-bit PIC18 microcontroller built on the eXtreme Low Power (XLP) architecture, delivering 64 MHz CPU performance with 32 KB Flash, 2 KB SRAM, and 256 B EEPROM in a 48-pin UQFN (MV) 6x6 mm package with exposed pad. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer whose internal data path, registers, and ALU operate on 8 bits at a time. The PIC18 family sits in the hierarchy: microcontroller -> 8-bit MCU -> PIC18 -> PIC18F/LF K-series -> XLP low-power family, where the LF prefix denotes the wide-voltage F-version variant. 8-bit MCUs are widely used for deterministic real-time control, sensor interfacing, and low-power IoT edge nodes where simplicity, cost, and predictable latency matter more than raw throughput. Key features include a 12-bit ADC2 with up to 35 external channels and automated post-processing (averaging, filtering, oversampling, threshold compare), a 5-bit DAC, dual comparators, a hardware Capacitive Voltage Divider (CVD) for touch sensing, vector interrupts, DMA, Zero-Cross Detection (ZCD), and a Peripheral Pin Select (PPS) module that remaps digital peripherals to any I/O. The K-series integrates an HFINTOSC up to 64 MHz and a low-power 32 kHz LFINTOSC. Typical applications include battery-powered IoT sensor nodes, capacitive touch user interfaces, home appliances and white goods, industrial control panels, automotive body/comfort modules (non-AEC), and USB-CDC/HID human-interface devices. Design considerations: operate from 1.8 V to 3.6 V on the LF part (down to 5.5 V on the F variant). Place a 100 nF decoupling capacitor within 5 mm of every VDD/VSS pair and route the exposed pad (EP) to a continuous ground plane for thermal sinking. This page consolidates distributor pricing, parameter comparison with 48-pin K42/K40 family variants, and drop-in guidance not always shown on the manufacturer product page.

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PIC18LF55K42-E/PT - 32KB Flash 8-bit MCU, 48-TQFP-EP | Microchip
PIC18LF55K42-E/PT

PIC18LF55K42-E/PT - 32KB Flash 8-bit MCU, 48-TQFP-EP | Microchip

The Microchip Technology PIC18LF55K42-E/PT is an 8-bit PIC18 microcontroller from the PIC XLP 18K family, offering 32KB Flash program memory, 2KB RAM, and 256B EEPROM in a 48-pin TQFP-EP (7x7 mm) package with extended operating temperature range. The device integrates a 12-bit ADC2 module, vector interrupts, DMA controller, MAP (Memory Access Partitioning), DIA (Device Information Area), DAC, comparators, and multiple PWM channels on-chip. An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus. It sits within the broader hierarchy of microcontrollers -> embedded processors -> integrated circuits -> semiconductors. The PIC18 family specifically targets high-performance 8-bit applications requiring C-friendly architecture, hardware DMA, and rich peripheral integration. Low-power 'LF' variants like this one extend operating voltage down to 1.8V for battery-powered designs, where XLP (eXtreme Low Power) technology enables nanoWatt sleep currents. Key features of the PIC18LF55K42-E/PT include 64 MHz maximum CPU clock, 44 configurable I/O pins, an integrated 12-bit ADC2 with computation, hardware DMA for memory-to-memory and memory-to-peripheral transfers, multiple communication peripherals (I2C, SPI, UART/USART), and enhanced PWM with complementary outputs. The -E temperature grade extends operation from -40C to +125C for industrial and harsh-environment applications. The PIC18 core employs a Harvard architecture with a 16-bit instruction word and 8-bit data path, providing C-friendly addressing and deterministic interrupt latency. Core-independent peripherals such as the CWG (Complementary Waveform Generator), NCO (Numerically Controlled Oscillator), and hardware DMA offload the CPU, allowing complex control loops to run without software intervention. The MAP memory scheme provides separate boot and secure flash regions for bootloader and IP protection. Typical applications for the PIC18LF55K42-E/PT include industrial sensor nodes, motor control (BLDC and stepper), IoT edge devices, LED lighting controllers, consumer appliance control, and battery-powered instrumentation. The 32KB flash and DMA support make it suitable for protocol stacks such as Modbus, LIN, and basic BLE bridging when paired with an external radio. When designing with this device, pay attention to decoupling (place 100nF + 1uF near VDD pins), unused-pin tie-off (drive or pull per datasheet), and ICP/ICD programming pin allocation. The 'LF' variant requires VDD between 1.8V and 3.6V, so an LDO or buck converter is required for 5V systems. This page synthesizes distributor stock data, drop-in compatible alternatives, and practical design notes not found in a single manufacturer datasheet view.

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PIC18LF55K42-I/MV - 8-Bit 64MHz 32KB Flash MCU | Microchip
PIC18LF55K42-I/MV

PIC18LF55K42-I/MV - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18LF55K42-I/MV is a low-power 8-bit PIC microcontroller belonging to the PIC18 XLP family, delivering 64 MHz of CPU performance from a RISC core with 32 KB of Flash program memory, 2 KB of SRAM and 256 bytes of EEPROM. The part is housed in a 48-pin UQFN EP package (6x6 mm) and operates across the 1.8 V to 3.6 V range typical of the LF suffix, making it suitable for battery-backed and energy-harvesting designs. It features the modern CIP (Core Independent Peripheral) block set including a 12-bit ADC with computation, DAC, comparators, 8-/16-bit timers, PWM, CWG, DMA, vectored interrupts and the Device Information Area (DIA), allowing deterministic I/O handling without CPU intervention. According to the manufacturer product page, the PIC18(L)FxxK42 family integrates rich CIPs, intelligent analog and large non-volatile memories in 28-, 40- and 48-pin variants. With its small 6x6 mm UQFN footprint and 44 I/O pins, the PIC18LF55K42-I/MV is ideal for space-constrained designs where peripheral integration and low power dominate. It is best understood as a member of the broader PIC18 8-bit MCU family, itself a sub-family of Microchip's PIC microcontroller line, which sits beneath the RISC-based Harvard architecture family of microcontrollers and semiconductors. The XLP (eXtreme Low Power) designation brings nanoWatt technology options such as sleep currents below 100 nA, multiple idle modes and peripheral module disable. Typical applications include consumer appliances, IoT sensor nodes, low-power handheld instrumentation, white goods and motor-control front-ends where 8-bit deterministic control and minimum BOM cost are priorities. When laying out the PCB, tie the exposed pad (EP) of the UQFN to a clean ground pour with multiple thermal vias to keep junction temperature within the -40 C to +85 C industrial range stated on the distributor listings. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the bare manufacturer datasheet.

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PIC18LF55K42-I/PT - 8-Bit 64MHz MCU 32KB Flash TQFP-48 | Microchip
PIC18LF55K42-I/PT

PIC18LF55K42-I/PT - 8-Bit 64MHz MCU 32KB Flash TQFP-48 | Microchip

The Microchip Technology PIC18LF55K42-I/PT is a low-power 8-bit PIC18 microcontroller from the PIC18F/LF55K42 family, integrating 32KB of Flash program memory, 2KB of SRAM, and 256 bytes of EEPROM in a 48-pin TQFP-EP (7x7 mm) package. The device operates from a wide 1.8 V to 5.5 V supply, runs at up to 64 MHz internal clock, and features 44 general-purpose I/O pins plus a rich peripheral set including a 12-bit ADC2 with Computation, two 8-bit DACs, comparators, PWM, DMA, vector interrupts, and Core Independent Peripherals (CIPs) such as the Configurable Logic Cell (CLC) and Signal Measurement Timer (SMT). A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), working memory (RAM), data EEPROM, and a set of on-chip peripherals into a single chip, enabling compact embedded designs without external glue logic. The PIC18 architecture is an 8-bit RISC core with hardware multiplier, 16-bit instructions, and an instruction set optimized for deterministic real-time control, suitable for consumer appliances, industrial sensors, automotive body electronics, and battery-powered IoT edge nodes. Key features include the XLP (eXtreme Low Power) technology for sub-uA sleep currents, the Peripheral Pin Select (PPS) cross-switch for routing digital peripherals to almost any I/O, and an integrated 32 MHz internal oscillator accurate to within +/-1% across temperature. The ADC2 with Automated Accumulation and Burst Average modes can offload averaging from the CPU, while the DMA controller moves data between peripherals and RAM without core intervention, allowing the device to remain in Sleep for extended battery operation. The 48-pin TQFP-EP package provides an exposed thermal pad to reduce junction-to-ambient thermal resistance, which is useful for industrial and automotive under-hood designs where continuous ADC sampling and PWM output at full CPU load raises the die temperature. The -I/PT suffix denotes the Industrial temperature grade (-40C to +85C) supplied in Tray packaging. Typical applications include HVAC thermostat controllers, white-goods user interfaces, battery-powered sensor hubs, USB-to-UART bridges, small motor control boards, and human-machine interface panels. The combination of 32KB Flash and 2KB RAM is comfortable for mid-size state machines, Modbus slave firmware, and graphical OLED menu stacks. Compared with newer PIC18FxxQ-series parts the LF55K42 is the lower-power (LF) variant optimized for 3.3V or 1.8V rails, while the PIC18F55K42 is the higher-voltage 5V variant sharing the same pinout. When designing with this MCU, place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair, leave the exposed pad (EP) soldered to a contiguous copper pour tied to ground for thermal relief, and configure the Configuration Words for PPS lock and Code Protection before production. The internal 64 MHz HFINTOSC is factory-trimmed and typically eliminates the need for an external crystal, reducing BOM cost. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, helping procurement and firmware teams qualify the PIC18LF55K42-I/PT quickly.

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PIC18LF55K42T-I/MV - 8-Bit 64MHz 32KB Flash MCU | Microchip
PIC18LF55K42T-I/MV

PIC18LF55K42T-I/MV - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18LF55K42T-I/MV is an 8-bit PIC18 RISC microcontroller running up to 64 MHz with 32KB Flash and 2KB SRAM, housed in a 48-pin UQFN (6x6 mm) package with exposed pad. It belongs to the PIC18F-K42 family and integrates a 12-bit ADC2 (ADCC), 5-bit DAC, two comparators, configurable logic cells (CLC), vectored interrupts with DMA, and the peripheral pin select (PPS) system. What is a PIC18 microcontroller? A PIC18 is an 8-bit RISC microcontroller from Microchip's PIC family. Within the broader taxonomy, it sits as: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "LF" prefix denotes the wide-voltage F-variant that operates from 1.8V to 3.6V, while the "K42" indicates the family's CIP (Core Independent Peripherals) feature set including DMA, CLC, and configurable logic. PIC18 microcontrollers dominate cost-sensitive 8-bit applications due to their deterministic instruction set, broad peripheral integration, and Microchip's free MPLAB X toolchain. Key features include 256 bytes of EEPROM, 44 user I/O lines, four 16-bit timers, two I2C/SPI/IART-configurable serial interfaces, and the XLP (eXtreme Low Power) family signature offering nanoWatt sleep currents below 100 nA. The UQFN-48 package with exposed pad delivers thermal resistance suitable for industrial -40C to +85C operation while saving PCB area versus QFP equivalents. Technically, the K42 architecture improves on prior PIC18F-K22/K40 devices by adding DMA-driven ADC scanning, vector interrupts with hardware priority, and on-chip 32-level stack. The Peripheral Pin Select (PPS) remaps most digital peripherals to almost any I/O pin, simplifying PCB routing in dense designs. Active mode current is approximately 4 mA at 64 MHz/3.3V, while deep sleep drops to nanoamp levels - the LF process node enables 1.8V minimum operation directly from a single-cell Li-ion battery. Typical applications include low-power IoT sensor nodes, battery-powered industrial sensors, home automation controllers, and compact user-interface modules driving segmented LCDs or keypads. The integrated 12-bit ADC and CIP peripherals make it well suited for mixed-signal front-ends where an external analog ASIC would otherwise be required. When designing with this MCU, allocate the PPS mapping early in the schematic phase to avoid pin-conflict rework. Decouple VDD with at least 100 nF plus 1 uF bulk capacitance placed within 5 mm of the exposed pad, and tie the EP to ground for thermal dissipation and noise immunity. Programming via ICSP requires the PGC/PGD pins to be reserved and not repurposed through PPS at runtime. This page synthesizes distributor pricing, drop-in alternatives from the PIC18F/LF-K42 family and Cross-brand sources, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18LF55K42T-I/PT - 32KB Flash 64MHz 8-bit XLP MCU | Microchip
PIC18LF55K42T-I/PT

PIC18LF55K42T-I/PT - 32KB Flash 64MHz 8-bit XLP MCU | Microchip

The Microchip Technology PIC18LF55K42T-I/PT is an 8-bit PIC RISC microcontroller from the PIC XLP 18K family, delivering 64 MHz CPU performance with 32 KB (16K x 16) of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM in a 48-pin TQFP-EP (7x7) package. The device integrates 12-bit ADC2 with computation, vector interrupts, DMA, Memory Access Partitioning (MAP), Device Information Area (DIA), DAC, comparators, and PWM peripherals. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions on an 8-bit data bus, typically based on CISC (PIC, 8051) or RISC (AVR, PIC18) architectures. MCUs integrate CPU, RAM, non-volatile memory, and peripherals on a single die, forming the lowest tier of embedded computing - between discrete logic and full application processors - and serve as the decision-making core in virtually every electronic product from appliances to industrial controllers. Key features include the eXtreme Low Power (XLP) technology for battery-friendly operation, an active clock scaling from 1 MHz to 64 MHz, four 16-bit timers, multiple UART/SPI/I2C interfaces, and a 1.8 V to 3.6 V supply range suited to single-cell Li-ion and coin-cell applications. The 48-pin TQFP-EP exposed-pad package delivers 44 usable I/O lines while providing a thermal dissipation path for the 64 MHz core. Architecturally, the PIC18LF55K42T uses a Harvard-style RISC core with a modified instruction set supporting hardware multiply and a 16-bit instruction word, allowing most instructions to execute in one cycle. The CIP (Core Independent Peripherals) ecosystem - including CWG, NCO, DSM, and PWM - lets timing-sensitive tasks run without CPU intervention, freeing the 8-bit core for application logic. Typical applications include IoT sensor nodes, low-power consumer devices, industrial control panels, home appliances, USB human-interface devices (when paired with the internal USB module in sister parts), motor control, and battery-backed instrumentation. The exposed-pad TQFP supports reflow profiles up to JEDEC J-STD-020 standards. When designing with this device, choose between the internal 16 MHz HFINTOSC and an external crystal based on USB or CAN timing requirements. Note that the LF (low-voltage/F-version) variant supports 1.8 V minimum Vdd; the F-version PIC18F55K42 is required for 5 V designs, while the LF is optimal for 3.3 V regulated rails. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF56K42-E/MV - 8-bit XLP MCU, 64KB Flash, 48-UQFN | Microchip
PIC18LF56K42-E/MV

PIC18LF56K42-E/MV - 8-bit XLP MCU, 64KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC18LF56K42-E/MV is an 8-bit PIC18 XLP microcontroller with 64KB Flash, 4KB RAM, and 256B EEPROM, operating up to 64MHz in a 48-pin UQFN (6x6) package with exposed pad. The device integrates a 12-bit ADC2, DAC, comparators, DMA, vector interrupts, and core-independent peripherals including CWG, ZCD, PWM, EUSART, SPI/I2C, and PPS for flexible pin mapping. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), working memory (RAM), non-volatile data storage (EEPROM), and programmable peripherals. The PIC18 family uses a RISC-based Harvard architecture optimized for deterministic interrupt response, low power consumption, and high code density. The 'LF' prefix designates the wide-voltage variant supporting both 3.3V and 5V operation, while 'XLP' (eXtreme Low Power) signifies Microchip's nanoWatt XLP technology, with sleep currents in the nanoampere range for battery-powered applications. Key features of the PIC18LF56K42 include a 12-bit ADC with Computation (ADC2) capability, a 5-bit DAC, three op-amps, two comparators, Zero-Cross Detection (ZCD), Complementary Waveform Generator (CWG), four 16-bit timers, Windowed Watchdog Timer (WWDT), and a Direct Memory Access (DMA) controller. The integrated Peripheral Pin Select (PPS) module remaps most digital I/O to virtually any pin, simplifying PCB layout. The Device Information Area (DIA) and Memory Access Partition (MAP) provide hardware-based security for firmware protection and field updates. The architecture leverages a modified Harvard bus with separate program and data paths, allowing simultaneous Flash fetch and SRAM access via the DMA engine. Power management includes IDLE and DOZE modes, Peripheral Module Disable (PMD) registers to gate unused peripherals, and a Hardware Limit Timer (HLT) for autonomous peripheral operation without CPU intervention. The SCAN/CRC engine performs hardware-based cyclic redundancy checks for safety-critical code integrity verification. Typical applications include IoT sensor nodes, home automation controllers, industrial HMI panels, low-power remote controls, and battery-powered medical monitoring devices. The 48-pin UQFN package suits space-constrained designs and supports operation over the -40C to +125C industrial temperature range. When designing with this MCU, allocate sufficient decoupling (100nF + 1uF ceramic) near each VDD/VSS pair, follow Microchip's Emulation Pod layout guidelines for ICD programming, and verify PPS remapping configurations to avoid peripheral pin conflicts. The 6x6 UQFN requires PCB land pattern adherence per IPC-7351. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes drawn from Microchip application notes, not merely duplicating the manufacturer datasheet content.

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PIC18LF56K42-E/PT - 8-bit 64KB Flash MCU, 48-Pin TQFP | Microchip
PIC18LF56K42-E/PT

PIC18LF56K42-E/PT - 8-bit 64KB Flash MCU, 48-Pin TQFP | Microchip

The Microchip Technology PIC18LF56K42-E/PT is an 8-bit PIC RISC microcontroller with 64KB Flash, 4KB RAM, and 256B EEPROM, operating up to 64MHz in a 48-pin TQFP-EP (7x7mm) package. It belongs to the PIC18 "K42" family, integrating a rich set of core-independent peripherals including a 12-bit ADC2 with Computation (ADCC), DMA controller, vectored interrupts, peripheral pin select (PPS), and a high-resolution PWM/CWG. The device also includes a 5-bit DAC, comparators, zero-cross detect (ZCD), hardware limit timer (HLT), windowed watchdog (WWDT), CRC/SCAN, and dual EUSART plus SPI/I2C serial interfaces. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions fetched from on-chip program memory and provides built-in peripherals for digital I/O, analog signal conversion, and serial communication. The 8-bit PIC RISC architecture sits within the broader microcontroller taxonomy: MCU -> embedded controller -> semiconductor device. 8-bit MCUs remain dominant in cost-sensitive, low-power applications where deterministic interrupt response and long product lifecycle outweigh raw computational throughput. Key features of the PIC18LF56K42 include the eXtreme Low Power (XLP) sleep current of <100 nA typical, ideal for battery-backed IoT endpoints. The device supports 1.8V to 3.6V operation (the "LF" prefix) and includes Microchip's MPLAB X IDE ecosystem with XC8 compiler support. Operating temperature range is -40C to +125C (the "E" suffix), suiting industrial environments. Architecturally, the K42 family implements a Harvard architecture with 16-bit instructions and separate 16-level hardware stack, hardware multiplier, and C-optimized instruction set. The integrated DMA engine offloads repetitive data transfers between peripherals and RAM, freeing the core for application logic - a meaningful upgrade over PIC18F46K22 predecessors that lacked DMA. Typical applications include industrial sensor nodes with analog signal conditioning, low-power IoT battery nodes, USB-CDC/HID peripherals with EUSART bridges, LED lighting controllers using the high-resolution PWM, and motor control (BLDC/PMSM) using the CWG and fast ADC sampling. Designers transitioning from PIC18F46K22 or PIC18F46K80 designs gain DMA, CRC, and modern peripherals without pin-out changes when migrating within the 48-pin TQFP family. Design consideration: ensure MPLAB X IDE 5.50+ with MPLAB Code Configurator (MCC) Melody or Classic is used to generate device configuration; the PPS mapping must be assigned before peripheral use to avoid pin collisions on the 48-pin TQFP-EP footprint. This page synthesizes distributor pricing, drop-in same-package alternatives within the PIC18 K42 family, and practical design notes not found in the manufacturer datasheet.

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PIC18LF56K42-I/PT - 64KB Flash 8-Bit MCU | Microchip | XLP 18K
PIC18LF56K42-I/PT

PIC18LF56K42-I/PT - 64KB Flash 8-Bit MCU | Microchip | XLP 18K

The Microchip Technology PIC18LF56K42-I/PT is a low-power 8-bit PIC18 XLP 18K microcontroller running up to 64 MHz with 64 KB Flash, 4 KB RAM and 256 B EEPROM in a 48-pin TQFP-EP (7x7 mm) package. Operating from 1.8 V to 3.6 V on the LF process variant, the part integrates 44 I/O, 12-bit ADC2 with Computation, vector interrupts, DMA, MAP, Device Information Area (DIA), 5-bit DAC, comparators and PWM modules. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM for parameter storage, and configurable peripherals such as ADC, timers and communication interfaces on one silicon die. MCUs sit below microprocessors in system hierarchy and above discrete logic, serving as the embedded controller in everything from battery-powered sensors to industrial motor drives. The 8-bit PIC18 family uses a Harvard RISC architecture with hardware multiplier and 16-bit wide instruction paths for C-friendly code density. Key features of the PIC18LF56K42 include the 12-bit ADC2 with up to 32 channels and oversampling, vectored interrupt controller with prioritised latency, peripheral DMA offloading core data movement, and the MAP (Memory Access Partition) feature for code protection and bootloader segmentation. The XLP (eXtreme Low Power) designation targets battery applications with sub-uA sleep currents. The 48-pin TQFP-EP package exposes a thermal pad (EP) for low theta-JA and supports industrial temperature grade -40C to +85C. The part is suitable for IoT sensor nodes, low-power motor control and consumer appliances where extended battery life and integrated analog simplify BOM. Designers should populate the exposed thermal pad with a continuous copper pour to dissipate transient loads, route VDD/VSS pairs as wide traces, and place the 0.1 uF + 1 uF decoupling network within 2 mm of each power pin. This page synthesises distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet alone, helping procurement and embedded engineers select the right MCU in a single view.

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PIC18LF56K42T-I/MV - 8-Bit 64MHz 64KB Flash XLP MCU | Microchip
PIC18LF56K42T-I/MV

PIC18LF56K42T-I/MV - 8-Bit 64MHz 64KB Flash XLP MCU | Microchip

The Microchip Technology PIC18LF56K42T-I/MV is an 8-bit PIC18 XLP microcontroller running up to 64 MHz with 64 KB Flash, 4 KB RAM and 256 B EEPROM, housed in a 48-pin 6x6 mm UQFN (MV) package with exposed pad. The "LF" prefix indicates the low-power, wide-voltage F-variant operating from 1.8 V to 3.6 V. What is a microcontroller? A microcontroller (MCU) is a single-chip computer integrating CPU, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM, and a rich set of peripherals (ADC, timers, communication ports). Within Microchip's taxonomy, this part belongs to PIC18F/LF XLP 18K family -> 8-bit PIC MCU -> PIC microcontroller -> microcontroller -> embedded semiconductor. The XLP (eXtreme Low Power) designation targets battery-powered and energy-harvesting designs where nanoWatt sleep currents and fast wake-up times are critical. Key features include 44 user I/O pins, 12-bit ADC2 with computation, two 8-bit DACs, three comparators with 5-bit DAC references, 8-bit DMA controller, vectored interrupts with peripheral interrupt controllers, configurable logic cells (CLC), Complementary Waveform Generator (CWG), multiple PWM/SCCP/MCCP channels, and rich serial peripherals (UART, SPI, I2C). The 64 MHz internal oscillator and 4x PLL deliver 16 MIPS instruction throughput while the XLP sleep mode can drop quiescent current below 100 nA. The K42 architecture adds hardware-accelerated math (8x8 hardware multiplier, single-cycle 16-bit math), zero-cross detection for triac control, and Direct Memory Access that lets peripherals move data without CPU intervention - reducing active-mode time and overall system power. Typical applications include IoT sensor nodes, home appliances (washing machine, induction cooktop, white goods UI), portable medical devices, BLDC motor control, LED lighting controllers, and battery-powered instrumentation. Designers favor the LF variant when the supply rail is 2x AA/AAA or a Li-ion cell under boost regulation. When designing with this MCU, allocate one decoupling 100 nF cap per VDD pin and a 1 uF bulk cap near the exposed pad; route AVSS/AVDD separately for clean ADC reference. Use the DMA for periodic sensor reads so the core can stay in sleep - that is where XLP delivers its largest energy savings.

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PIC18LF57K42-I/MV - 64MHz 8-bit XLP MCU, 128KB Flash | Microchip
PIC18LF57K42-I/MV

PIC18LF57K42-I/MV - 64MHz 8-bit XLP MCU, 128KB Flash | Microchip

The Microchip Technology PIC18LF57K42-I/MV is a low-power, high-performance 8-bit PIC microcontroller from the PIC18FxxK42 family, integrating 128 KB of Flash, 8 KB of RAM, and 256 bytes of EEPROM in a 48-pin UQFN (MV) 6x6 mm package. The LF-suffix device operates across a 1.8 V to 3.6 V core supply range, drawing nanoWatt XLP sleep currents in the hundreds of nanoamp range, while the CPU executes up to 64 MHz instructions (16 MIPS) from a 64 MHz internal HFINTOSC. The part exposes 44 digital I/O pins, peripheral pin select (PPS) for flexible signal routing, and a rich mix of core-independent peripherals including a 12-bit ADC with Computation (ADC2), 5-bit/8-bit DAC, comparators, zero-cross detect (ZCD), CWG, SMT timer, and configurable PWM/CCP modules. What is a PIC18 microcontroller? A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip Technology, belonging to the larger microcontroller hierarchy (MCU -> 8-bit MCU -> PIC -> PIC18). The PIC18F/LF K42 family introduces Core Independent Peripherals (CIPs) and Direct Memory Access (DMA), allowing autonomous I/O processing without CPU wake-up, which significantly reduces average power and frees the CPU for application logic. The 'LF' sub-family targets low-voltage battery applications, while the 'F' sub-family extends to 5 V operation. Key differentiating features include the 12-bit ADC2 with averaging and automatic threshold comparisons, DMA-driven peripheral data movement, an on-chip temperature indicator, vectored interrupts with priority levels, and a Device Information Area (DIA) for unique serialization. The Device Information Area (DIA) stores factory calibration constants that the user application can call to compensate for temperature and voltage drift without external components, which is critical for sensor and metering applications. Architecturally, the device uses a 16-bit modified-Harvard instruction set with separate program and data buses, hardware multiply, and a 31-level hardware stack. The PPS (Peripheral Pin Select) module is unique to the K42 family and lets designers remap digital peripheral signals (UART, PWM, SPI, timers) to almost any I/O pin, simplifying PCB layout and enabling a single PCB to host multiple firmware variants. Typical applications include ultra-low-power wireless sensor nodes running on coin cells, IoT edge devices with DMA-driven sensor sampling, industrial control with vectored interrupts, USB-free human-interface peripherals (HID), battery-powered medical wearables, and automotive body modules (with the -I industrial temperature grade). The wide operating voltage and rich analog make this MCU especially suitable for mixed-signal nodes that previously required a separate ADC chip. When designing with the PIC18LF57K42-I/MV, ensure you use the latest MPLAB X IDE with the MPLAB Code Configurator (MCC) plug-in to graphically initialize peripherals and generate production-ready code. Verify the 6x6 mm UQFN PCB land pattern against Microchip application note AN2344 (QFN layout) to avoid solder voiding under the exposed pad, which is the thermal path for the device. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that supplement the official datasheet with engineering context.

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