PIC18F56K42-E/PT - 8-Bit 64MHz 64KB Flash MCU | Microchip
MPN: PIC18F56K42-E/PT ✓ AktifPIC18F56K42-E/PT Ringkasan
An 8-bit PIC microcontroller is a Harvard-architecture CMOS MCU that executes a RISC-like instruction set on 8-bit data while allowing 16-bit-wide program memory fetches, providing predictable timing and deterministic interrupt response. The PIC18 family sits at the top of Microchip's 8-bit portfolio as a high-performance tier, positioned above PIC16 and PIC10/12/14/15 families and below the dsPIC and PIC32 32-bit lines. The K42 sub-family adds Core Independent Peripherals (CIPs) such as CLC, NCO, PWM, and ADC with Computation (ADC2) that operate without CPU intervention, enabling low-power and real-time control designs.
Key features of the PIC18F56K42 include 12-bit ADC with up to 35 external channels, 5-bit DAC, 8-bit DAC reference, hardware CVD for capacitive touch, four 16-bit timers, two I2C, two SPI, two UART, and 44 dedicated I/O pins. The integrated charge pump improves ADC accuracy at low VDD, while the XLP (eXtreme Low Power) technology enables deep Sleep currents down to sub-microamp levels with retention.
Architecturally, the device combines a 16-bit program bus, 8-bit data bus, single-cycle hardware multiplier, and a vectored interrupt controller. CIPs such as CLC, NCO, and PWM with complementary outputs are interconnected via a fabric-like routing matrix, allowing analog and timing functions to be wired together in hardware and reducing firmware load.
Typical applications include industrial control panels, home appliances, motor control BLDC drivers, capacitive touch user interfaces, IoT sensor nodes, and automotive body and convenience modules. The extended temperature grade (-E) supports under-hood and outdoor deployments.
Designers should pay attention to VDD/VSS decoupling: place a 100 nF X7R ceramic as close as possible to each power pin pair and a bulk 10 uF tantalum or ceramic on the main rail. The exposed pad on TQFP-EP must be soldered to the ground plane for thermal dissipation and electrical reference.
This page synthesizes distributor pricing, drop-in PIC18FxxK42 alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and firmware engineers make informed selection decisions.
Alternatif penggantian untuk PIC18F56K42-E/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC18F56K42-E/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, ADC, Program Memory (Flash), Comparators, PWM Channels.
PIC18F56K42-I/PT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
PIC18F55K42-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F57K42-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F56K42-I/MV
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC18F55K42T-I/MV
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F56K42-E/PT Rating Maksimal & Karakteristik Listrik
| Core Architecture | 8-bit PIC18 RISC |
| CPU Speed | 64 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| SRAM | 4 KB |
| EEPROM | 1 KB |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| Suhu Kerja | -40C to +125C (Extended, -E) |
| Paket | 48-TQFP-EP (7x7 mm) |
| I/O Pins | 44 |
| ADC | 12-bit, up to 35 external channels with ADC2 computation |
| DAC | 5-bit + 8-bit reference DAC |
| Timers | 4 x 16-bit, 2 x 8-bit |
| Communication | 2x UART, 2x SPI, 2x I2C |
| Core Independent Peripherals | CLC, NCO, PWM, Hardware CVD |
| Status RoHS | Compliant |
Konfigurasi Pin PIC18F56K42-E/PT
| Pin produk 1 | RA0/ANA0 — GPIO RA0 / ADC channel ANA0 |
| Pin produk 2 | RA1/ANA1 — GPIO RA1 / ADC channel ANA1 |
| Pin produk 3 | RA2/ANA2 — GPIO RA2 / ADC channel ANA2 |
| Pin produk 4 | RA3/ANA3 — GPIO RA3 / ADC channel ANA3 |
| Pin produk 5 | RA4/ANA4 — GPIO RA4 / ADC channel ANA4 |
| Pin produk 6 | RA5/ANA5 — GPIO RA5 / ADC channel ANA5 |
| Pin produk 7 | RA6/ANA6 — GPIO RA6 / ADC channel ANA6 |
| Pin produk 8 | RA7/ANA7 — GPIO RA7 / ADC channel ANA7 |
| Pin produk 9 | VDD — Positive supply voltage (2.3V to 5.5V) |
| Pin produk 10 | VSS — Ground reference |
| Pin produk 11 | RB0/ANB0 — GPIO RB0 / ADC channel ANB0 |
| Pin produk 12 | RB1/ANB1 — GPIO RB1 / ADC channel ANB1 |
| Pin produk 13 | RB2/ANB2 — GPIO RB2 / ADC channel ANB2 |
| Pin produk 14 | RB3/ANB3 — GPIO RB3 / ADC channel ANB3 |
| Pin produk 15 | RB4/ANB4 — GPIO RB4 / ADC channel ANB4 |
| Pin produk 16 | RB5/ANB5 — GPIO RB5 / ADC channel ANB5 / CVD reference |
| Pin produk 17 | RB6/ANB6 — GPIO RB6 / ADC channel ANB6 / ICDCLK |
| Pin produk 18 | RB7/ANB7 — GPIO RB7 / ADC channel ANB7 / ICDDAT |
| Pin produk 19 | RC0 — GPIO RC0 |
| Pin produk 20 | RC1 — GPIO RC1 |
| Pin produk 21 | RC2 — GPIO RC2 |
| Pin produk 22 | RC3 — GPIO RC3 |
| Pin produk 23 | RC4 — GPIO RC4 |
| Pin produk 24 | RC5 — GPIO RC5 |
| Pin produk 25 | RC6 — GPIO RC6 / TX |
| Pin produk 26 | RC7 — GPIO RC7 / RX |
| Pin produk 27 | RE3 — GPIO RE3 / MCLR |
| Pin produk 28 | VDD — Positive supply voltage |
| Pin produk 29 | VSS — Ground reference |
| Pin produk 30 | RD0 — GPIO RD0 |
| Pin produk 31 | RD1 — GPIO RD1 |
| Pin produk 32 | RD2 — GPIO RD2 |
| Pin produk 33 | RD3 — GPIO RD3 |
| Pin produk 34 | RD4 — GPIO RD4 |
| Pin produk 35 | RD5 — GPIO RD5 |
| Pin produk 36 | RD6 — GPIO RD6 |
| Pin produk 37 | RD7 — GPIO RD7 |
| Pin produk 38 | RF0 — GPIO RF0 |
| Pin produk 39 | RF1 — GPIO RF1 |
| Pin produk 40 | RF2 — GPIO RF2 |
| Pin produk 41 | RF3 — GPIO RF3 |
| Pin produk 42 | RF4 — GPIO RF4 |
| Pin produk 43 | RF5 — GPIO RF5 |
| Pin produk 44 | RF6 — GPIO RF6 |
| Pin produk 45 | RF7 — GPIO RF7 |
| Pin produk 46 | OSC1/CLKIN — Crystal oscillator input or external clock |
| Pin produk 47 | OSC2/CLKOUT — Crystal oscillator output or clock out |
| Pin produk 48 | EP — Exposed pad (must be soldered to ground) |
Aplikasi Umum
PIC18F56K42-E/PT cocok untuk 7 aplikasis: Industrial Control Panels, Capacitive Touch User Interfaces, BLDC Motor Control, Home Appliance Controllers, IoT Sensor Edge Nodes, Automotive Body and Convenience Modules, Medical Monitoring Devices.
Industrial Control Panels
The PIC18F56K42-E/PT fits industrial control panels because its 64 KB Flash accommodates full Modbus RTU or CANopen protocol stacks, while the 12-bit ADC with 35 channels reads multiple 4-20 mA sensor inputs. Hardware CIPs such as CLC and PWM run deterministic timing without CPU load, freeing the core for HMI logic. The -40C to +125C extended temperature range handles cabinet environments near motors or heaters. The exposed pad on the 48-TQFP-EP grounds the die for stable ADC reference at 5V operation.
Direkomendasikan
Capacitive Touch User Interfaces
The PIC18F56K42-E/PT is well suited for capacitive touch keypads and sliders thanks to its hardware CVD module that automates charge-and-sample cycles on up to 35 channels, reducing firmware complexity. The integrated charge pump improves SNR at low VDD, enabling reliable touch through 3 mm acrylic overlays. mTouch firmware libraries from Microchip provide proven slider and wheel algorithms. The 64 KB Flash holds complete touch state machines and gesture recognition while the 4 KB SRAM buffers raw samples for noise filtering.
Direkomendasikan
BLDC Motor Control
The PIC18F56K42-E/PT drives small BLDC motors in fans, pumps, and appliance drives using its 16-bit PWM with complementary outputs, dead-band control, and fault shutdown. The 64 MHz core executes field-oriented control loops within microseconds while CLC implements hardware commutation triggering without CPU intervention. The 12-bit ADC samples back-EMF at PWM boundary timing through the integrated charge pump, and the 48-TQFP-EP exposed pad dissipates the modest switching losses of gate-driver interface circuits.
Direkomendasikan
Home Appliance Controllers
The PIC18F56K42-E/PT powers washing machine, dishwasher, and oven controllers where its 64 KB Flash stores state machines for multi-mode cycles, while the 4 KB EEPROM retains user settings and fault logs across power cycles. Two UART channels drive display modules and Wi-Fi/BLE modules for smart-appliance connectivity. The 12-bit ADC reads temperature, water level, and motor current sensors simultaneously, and the XLP Sleep modes with RTC draw under 1 uA for energy-star standby compliance in connected appliances.
Direkomendasikan
IoT Sensor Edge Nodes
The PIC18F56K42-E/PT serves as an IoT edge node with its 64 MHz core running lightweight MQTT-SN or CoAP stacks over UART-attached modules like Wi-Fi or LoRa transceivers. XLP Sleep currents below 1 uA extend battery life in remote sensor deployments, while the 12-bit ADC samples environmental data with hardware averaging via ADC2 computation. The 1 KB EEPROM stores calibration constants and security keys without external memory.
Direkomendasikan
Automotive Body and Convenience Modules
The PIC18F56K42-E/PT (extended temperature grade) targets automotive body controllers for window lifts, seat controls, mirror adjustment, and lighting modules. Its 44 I/O pins drive multiple loads directly through discrete transistors or smart drivers. LIN bus communication uses a UART plus timer for break-symbol generation, eliminating external transceivers in simple slave nodes. Hardware PWM with complementary outputs handles LED dimming and H-bridge direction control with deterministic timing.
Direkomendasikan
Medical Monitoring Devices
The PIC18F56K42-E/PT fits portable medical monitoring equipment such as pulse oximeters, glucose meters, and infusion pumps where its low-power XLP operation extends battery runtime. The 12-bit ADC with hardware oversampling (ADC2) provides accurate readings from optical and electrochemical sensors. The 64 KB Flash stores calibration tables and patient session logs, while the 4 KB EEPROM retains device settings. Hardware CIPs implement safety watchdog and alarm timing independent of firmware, improving functional safety in IEC 62304-relevant designs.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC18F56K42-E/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC18F56K42-I/PT | PIC18F55K42-I/PT | PIC18F57K42-I/PT | PIC18F55K42T-I/MV |
|---|---|---|---|---|---|
| Package | 48-TQFP-EP (7x7 mm) | 48-TQFP-EP (7x7 mm) - same | 48-TQFP-EP (7x7 mm) - same | 48-TQFP-EP (7x7 mm) - same | 48-TQFP-EP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 32 KB (-50%) | 64 KB | 32 KB (-50%) |
| SRAM | 4 KB | 4 KB | 2 KB (-50%) | 4 KB | 2 KB (-50%) |
| Operating Temperature | -40C to +125C (-E) | -40C to +85C (-I) | -40C to +85C (-I) | -40C to +85C (-I) | -40C to +85C (-I) |
| CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Supply Voltage | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V |
| ADC | 12-bit, 35 channels | 12-bit, 35 channels | 12-bit, 35 channels | 12-bit, 35 channels | 12-bit, 35 channels |
| I/O Pins | 44 | 44 | 44 | 44 (expanded routing) | 44 |
Diferensiator Kunci
- Extended temperature grade for harsh environments (vsPIC18F56K42-I/PT)
- Maximum Flash in 48-pin K42 family (vsPIC18F55K42-I/PT)
- Expanded peripheral routing versus 55K42 (vsPIC18F57K42-I/PT)
Catatan Desain
Place a 100 nF X7R decoupling capacitor within 2 mm of each VDD pin (pins 9, 28) with a wide ground via returning to the EPAD ground plane. Add a single 10 uF bulk ceramic or tantalum on the main VDD rail. The integrated charge pump requires no external components but its operation depends on clean VDD - noisy rails degrade ADC2 accuracy on lower channels. For battery-powered designs, leverage the XLP Sleep mode with RTC to achieve sub-microamp standby current.
The 48-TQFP-EP package relies on the exposed pad for both electrical ground and thermal dissipation. Stencil aperture should be split into a 50% array pattern to ensure proper solder paste release and void control. Connect the EP to a continuous ground plane on the top layer with at least 9 thermal vias (0.3 mm drill, 0.5 mm pitch) to the inner ground plane. Without proper EP soldering, junction-to-ambient thermal resistance increases and ADC readings become unstable due to die heating.
Keep traces to the MCLR/RE3 pin (pin 27) short and avoid routing noisy signals near it. The ICSP/ICD programming pins (RB6/RB7) require direct access on the PCB - do not place series resistors above 100 ohm on these lines for in-circuit debugging. For high-speed SPI or UART signals above 1 MHz, use impedance-controlled traces with reference ground, especially when routing near the ADC analog inputs to avoid digital coupling into analog readings.
Configuration bits (fuses) must be programmed before first use; leaving them at default may select the internal LF oscillator instead of the expected 64 MHz HFINTOSC, causing slow execution. The ADC2 module requires explicit channel selection and acquisition time configuration - using default values may yield inaccurate readings on high-impedance sources. The hardware CVD touch module needs calibration of the prescaler and timebase per PCB layout; reuse Microchip's mTouch framework rather than custom implementation to avoid touch sensitivity issues.
Informasi Konformitas
RoHS compliant per Microchip product page. PIC18F56K42-E/PT is industrial-grade (-E) but not AEC-Q100 qualified; for AEC-Q100 automotive applications, consider PIC18F46K42-E/PTVAO or contact Microchip for Q-grade variants.