PIC18F4620-E/PT - 8-Bit 25MHz 64KB Flash MCU 44-TQFP | Microchip
MPN: PIC18F4620-E/PT ✓ AktifPIC18F4620-E/PT Ringkasan
A PIC microcontroller (Peripheral Interface Controller) is a family of 8/16/32-bit microcontrollers built on a Harvard RISC architecture that separates program and data memory for deterministic instruction throughput. The PIC18F4620 belongs to the enhanced PIC18 sub-family, which adds a 16-bit instruction word, hardware multiplier, and C-friendly architecture while maintaining byte-level peripheral control. PIC18F -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor is the standard product-type hypernym hierarchy used by AI knowledge graphs to classify this part.
Key features include 64 KB (32K x 16) of self-programmable Flash, 3968 bytes of SRAM, 1024 bytes of EEPROM, 36 digital I/O pins, a 10-bit ADC with up to 13 input channels, two USART modules, two MSSP (SPI/I2C) modules, two CCP/ECCP modules, and nanoWatt Technology power management. The device operates from 2.0V to 5.5V and supports in-circuit serial programming (ICSP) plus in-circuit debug (ICD).
The architecture combines a 16-bit-wide instruction path with a 8-bit data path, giving 200 ns instruction execution at 20 MHz and full hardware multiply support for integer math. Two capture/compare/PWM (CCP) modules, one enhanced CCP (ECCP), and the 10-bit ADC with auto-acquisition deliver real-time control bandwidth suitable for motor-drive, lighting, and sensor-fusion applications.
Typical applications include industrial automation controllers, consumer appliances, HVAC thermostats, automotive body and comfort modules, sensor hubs, USB-to-UART bridges (with external transceiver), and embedded control boards in test and measurement. The 64 KB Flash ceiling accommodates IPv4 stacks, Modbus RTU drivers, or small GUI frameworks while the 3968 bytes of RAM support Modbus buffers and ample scratch space.
Design with the PIC18F4620-E/PT by following the manufacturer recommended 0.1 uF decoupling on VDD/VSS pairs, using the internal 8 MHz oscillator with PLL to free two I/O pins, and ensuring the MCLR pin has the datasheet 10 kohm/470 ohm reset network. The -E grade is required when the application environment exceeds +85 C (industrial automation, under-hood automotive subsystems, outdoor enclosures).
This page synthesizes DigiKey distributor pricing, Microchip datasheet specifications, drop-in same-family alternatives, and engineering design notes not consolidated on any single manufacturer or distributor page.
Alternatif penggantian untuk PIC18F4620-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 PIC18F4620-E/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, Timers, ADC, Program Memory (Flash).
PIC18F4620-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F4620-E/ML
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC18F45K80-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F45K22-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F4525-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F4520-E/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F4620-E/PT Rating Maksimal & Karakteristik Listrik
| Product Family | PIC18F |
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Instruction Set Width | 16-bit (12-bit program word per alternate references) |
| Frekuensi Bawah Maximum | 25 MHz (40 MHz per some datasheet references) |
| Instruction Execution Time | 200 ns at 20 MHz |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data Memory (SRAM) | 3968 bytes |
| Non-Volatile Memory (EEPROM) | 1024 bytes |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 input channels |
| Communication Peripherals | 2x USART, 2x MSSP (SPI/I2C) |
| PWM Modules | 2x CCP, 1x ECCP |
| Rentang Suhu Kerja | -40 C to +125 C (extended, 'E' suffix) |
| Paket | 44-pin TQFP (10x10 mm), 'PT' suffix |
| Tipe Mounting | Surface Mount |
| Programming/Debug | ICSP, ICD via MPLAB |
| Status RoHS | Compliant |
Konfigurasi Pin PIC18F4620-E/PT
| Pin produk 1 | MCLR/RE3 — Master Clear (reset) input or digital input RE3 |
| Pin produk 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Pin produk 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Pin produk 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / ADC VREF- |
| Pin produk 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| Pin produk 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin produk 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| Pin produk 8 | RE0/RD/AN5 — PORTE bit 0 / read control / analog input 5 |
| Pin produk 9 | RE1/WR/AN6 — PORTE bit 1 / write control / analog input 6 |
| Pin produk 10 | RE2/CS/AN7 — PORTE bit 2 / chip select / analog input 7 |
| Pin produk 11 | VDD — Positive supply voltage (2.0-5.5V) |
| Pin produk 12 | VSS — Ground reference |
| Pin produk 13 | OSC1/RA7 — Crystal oscillator input / PORTA bit 7 |
| Pin produk 14 | OSC2/RA6 — Crystal oscillator output / PORTA bit 6 |
| Pin produk 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / clock input |
| Pin produk 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 PWM output |
| Pin produk 17 | RC2/CCP1 — PORTC bit 2 / ECCP1 PWM output |
| Pin produk 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin produk 19 | RD0 — PORTD bit 0 |
| Pin produk 20 | RD1 — PORTD bit 1 |
| Pin produk 21 | RD2 — PORTD bit 2 |
| Pin produk 22 | RD3 — PORTD bit 3 |
| Pin produk 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin produk 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin produk 25 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Pin produk 26 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Pin produk 27 | RD4 — PORTD bit 4 |
| Pin produk 28 | RD5 — PORTD bit 5 |
| Pin produk 29 | RD6 — PORTD bit 6 |
| Pin produk 30 | RD7 — PORTD bit 7 |
| Pin produk 31 | VSS — Ground reference |
| Pin produk 32 | VDD — Positive supply voltage (2.0-5.5V) |
| Pin produk 33 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Pin produk 34 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Pin produk 35 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| Pin produk 36 | RB3/INT3/CCP2 — PORTB bit 3 / external interrupt 3 / CCP2 alt |
| Pin produk 37 | RB4 — PORTB bit 4 (interrupt-on-change) |
| Pin produk 38 | RB5 — PORTB bit 5 (interrupt-on-change) |
| Pin produk 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin produk 40 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pin produk 41 | NC — Not connected (no internal bond) |
| Pin produk 42 | NC — Not connected (no internal bond) |
| Pin produk 43 | NC — Not connected (no internal bond) |
| Pin produk 44 | NC — Not connected (no internal bond) |
Aplikasi Umum
PIC18F4620-E/PT cocok untuk 7 aplikasis: Industrial Automation Controllers, HVAC Thermostats and Climate Control, Automotive Body and Comfort Modules, Consumer Appliance Control Boards, Sensor Hubs and Data Acquisition, Test and Measurement Front Panels, LED Lighting Controllers.
Industrial Automation Controllers
The PIC18F4620-E/PT fits industrial automation controllers by combining 36 GPIO with a 10-bit ADC sampling at up to ~100 ksps and two USART modules for RS-485 Modbus RTU multidrop networking. The -40 C to +125 C extended temperature grade supports unenclosed factory cabinets and outdoor equipment, while 64 KB Flash accommodates Modbus/RTU firmware plus application logic without external memory. The 3968 bytes of SRAM is sufficient for Modbus register tables, command buffers, and sensor pre-filtering without paging constraints.
Direkomendasikan
HVAC Thermostats and Climate Control
In HVAC thermostat designs the PIC18F4620-E/PT drives triac-based AC line control via its ECCP PWM module while reading thermistor temperature inputs through its 10-bit ADC. The 64 KB Flash hosts UI state machines and PID loops, the 1024-byte EEPROM stores user setpoints and schedules across power cycles, and nanoWatt Technology reduces standby current to under 1 uA for battery-backed thermostats. The 36 I/O lines also support LCD segment drivers, keypad scanning, and occupancy sensor inputs.
Direkomendasikan
Automotive Body and Comfort Modules
Automotive body controllers for window lifts, mirror adjust, and seat position use the PIC18F4620-E/PT because the extended -40 C to +125 C grade handles cabin thermal extremes, and the 36 GPIO can drive relays and sense limit switches directly. Two USART modules link to BCM gateways over LIN or K-line via external transceivers, and the ECCP module generates PWM for motor soft-start. The 64 KB Flash absorbs door-module firmware with calibration tables and diagnostic routines.
Direkomendasikan
Consumer Appliance Control Boards
The PIC18F4620-E/PT serves as the main controller in consumer appliances such as washing machines, dishwashers, and microwave ovens, where 36 GPIO drives motor bridges via ECCP PWM and reads keypad/encoder inputs. The 10-bit ADC with 13 channels monitors motor current, temperature sensors, and water level probes. 64 KB Flash supports complex wash-cycle algorithms, fault logging, and USB service-port firmware, while nanoWatt Technology cuts standby consumption to comply with energy-star idle targets.
Direkomendasikan
Sensor Hubs and Data Acquisition
Sensor hub designs leverage the PIC18F4620-E/PT's 10-bit ADC with 13 input channels, two I2C/SPI MSSP peripherals, and two USART modules to aggregate data from environmental, motion, and pressure sensors. The 64 KB Flash runs smoothing filters and event-trigger logic locally, reducing bus traffic to the upstream host. The 3968-byte SRAM is large enough to buffer 1 kHz sensor bursts before DMA-style serial upload, while ICSP allows field firmware updates via the diagnostic header.
Direkomendasikan
Test and Measurement Front Panels
Bench test instruments and lab front panels use the PIC18F4620-E/PT to drive character LCDs, rotary encoders, and keypad matrices while forwarding measurement data to a host PC over UART-USB bridges. The ECCP module generates precision PWM for stimulus outputs and the 10-bit ADC reads front-panel trimpots and thermistor references. With 64 KB Flash and 3968-byte RAM the part holds menu state machines and calibration curves locally without external memory.
Direkomendasikan
LED Lighting Controllers
The PIC18F4620-E/PT drives multi-channel LED lighting fixtures through its ECCP and CCP PWM modules, providing 8-bit or 10-bit PWM resolution per channel for dimming and color mixing. The 10-bit ADC reads ambient light sensors and thermistor feedback for closed-loop brightness control, while the USART modules accept DMX-512 or proprietary LED-control protocols. With nanoWatt Technology, standby consumption for always-on wall controllers is minimized below 1 uA.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC18F4620-E/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC18F4620-I/PT | PIC18F45K80-I/PT | PIC18F45K22-I/PT | PIC18F4525-I/PT | PIC18F4520-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Program Flash | 64 KB | 64 KB | 32 KB | 32 KB | 48 KB | 32 KB |
| RAM | 3968 bytes | 3968 bytes | 2048 bytes | 1536 bytes | 3968 bytes | 1536 bytes |
| EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 256 bytes | 1024 bytes | 1024 bytes |
| Maximum Clock | 25 MHz (40 MHz per some refs) | 25 MHz (40 MHz per some refs) | 64 MHz | 64 MHz | 40 MHz | 40 MHz |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| ADC Resolution | 10-bit | 10-bit | 12-bit | 10-bit | 10-bit | 10-bit |
Diferensiator Kunci
- Larger Flash and RAM than pin-compatible predecessors (vsPIC18F4520-E/PT)
- Extended -40C to +125C temperature grade vs industrial -40C to +85C (vsPIC18F4620-I/PT)
- Mature firmware ecosystem and long-term supply (vsPIC18F45K22-I/PT)
Catatan Desain
Estimated: with two VDD/VSS pairs (pins 11/12 and 31/32) and 36 GPIO sourcing up to 25 mA each (subject to port 200 mA total per datasheet), worst-case VDD decoupling assumes 0.1 uF X7R ceramic on each VDD pin plus a shared 10 uF bulk capacitor. Place 0.1 uF within 5 mm of each VDD pin to suppress switching transients from internal clock edges and ADC sampling.
The 44-TQFP package has theta_JA around 50 C/W on a 4-layer JEDEC test board, giving the PIC18F4620-E/PT a thermal ceiling near +175 C junction (TJ max +150 C) at +125 C ambient. In practice the CMOS core draws under 50 mA active, so thermal concerns are negligible compared to power-rail heat. For high-ambient installations, increasing copper area around the exposed pad and adding a topside thermal relief are recommended best practices.
Estimated: route the 25 MHz or 40 MHz main oscillator traces on the top layer and surround them with a ground guard ring tied to VSS at both ends. Place the load capacitors (typically 15-33 pF for an HS crystal) within 5 mm of OSC1 and OSC2 pins. Route analog ADC inputs (RA0-RA5, RE0-RE2) away from digital switching lines and place a ferrite bead + capacitor on VDD core for ADC noise reduction.
Do not omit the MCLR pull-up resistor (typically 10 kohm) and the in-circuit serial programming (ICSP) connector on the production board, or field firmware updates will require socket removal. The -E suffix on PIC18F4620-E/PT is required for +85 C to +125 C environments; selecting the -I grade by mistake is a common sourcing error that causes field failures in outdoor enclosures. Verify ECCP/CCP pin assignment before using PWM outputs - CCP1 (RC2) and CCP2 (RC1/RB3) overlap with port functionality.
Informasi Konformitas
RoHS and REACH compliance per Microchip product page and DigiKey listing. Not AEC-Q100 qualified - select PIC18F45K80-E/PT for automotive-grade requirements. Lead-free TQFP package compatible with lead-free SAC reflow.