PIC18F8627-I/PT - 8-Bit 40MHz 96KB Flash MCU | Microchip
MPN: PIC18F8627-I/PT ✓ Hoạt độngPIC18F8627-I/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data storage (EEPROM), and a rich set of peripherals onto one silicon die. PIC18 microcontrollers belong to the 8-bit reduced instruction set computing (RISC) class; they execute one instruction per clock cycle (4-clock instruction fetch plus 1-cycle execute at 40 MHz) and use a Harvard architecture with separate program and data buses. The PIC18F8627 is the top-of-family "enhanced flash" part, sitting one tier above the PIC18F6627 in flash density and feature set.
Key features of the PIC18F8627-I/PT include nanoWatt power-management technology with multiple idle and sleep modes, a hardware 8x8 multiplier, a 16-bit wide instruction word, ICD/ICSP in-circuit debugging, and industrial temperature grade operation (-40C to +85C). The wide 2.0V to 5.5V Vdd range and low-power sleep modes make it attractive for both line-powered and battery-backed designs. The internal oscillator block provides configurable 8 MHz to 32 MHz operation, reducing external component count.
Architecturally, the PIC18F8627-I/PT uses an enhanced flash memory cell that supports >10k erase/write cycles and >40-year data retention, with self-programmability under firmware control for bootloader-style field updates. The 10-bit ADC delivers up to 16 channels of conversion with a 100K samples/second aggregate rate, and the CTMU (Charge Time Measurement Unit) enables touch sensing and precise time-of-flight measurements.
Typical applications include industrial automation controllers, HVAC and building-management systems, automotive body and instrument-cluster ECUs, embedded CAN-node interfaces, motor-control front-ends, and consumer white-goods main controllers. The combination of CAN + multiple serial ports + abundant I/O positions it well for distributed control networks. Design consideration: at 80 pins the TQFP footprint requires a 4-layer PCB for clean signal routing, and unused I/O must be configured as outputs or pulled to defined states to minimize current draw.
Bộ thay thế dễ dàng lắp đặt cho PIC18F8627-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18F8627-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core Architecture, Timers, MSL Level.
PIC18F8527-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F86K90-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8722-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6627-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F85K22-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F85J94-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8585-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8627-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18F (8-bit RISC, Harvard) |
| Program Flash | 96 KB (48K x 16 words) |
| Data RAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Frequency | 40 MHz (10 MIPS) |
| Instruction Word Width | 16-bit |
| Supply Voltage (Vdd) | 2.0 V to 5.5 V |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial) |
| I/O Pins | 70 |
| Analog-to-Digital Converter | 10-bit, up to 16 channels |
| Analog Comparators | 2 |
| USART Modules | 2 |
| MSSP (SPI/I2C) Modules | 2 |
| CCP / ECCP Modules | 2 CCP + 1 ECCP |
| CAN Module | 1 (ECAN) |
| CTMU | Yes (Charge Time Measurement Unit) |
| Hộp | 80-pin TQFP (PT) 12x12 mm |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC18F8627-I/PT
| Chân 1 | RG0 — PORTG bit 0 / CCP3 / PWM output |
| Chân 2 | RG1 — PORTG bit 1 / C3OUT / TX2 |
| Chân 3 | RG2 — PORTG bit 2 / C3INA / RX2 |
| Chân 4 | RG3 — PORTG bit 3 / CCP4 |
| Chân 5 | RG4 — PORTG bit 4 / CCP5 |
| Chân 6 | MCLR — Master Clear / Reset input (active low) |
| Chân 7 | OSC1 — Oscillator input / external clock |
| Chân 8 | OSC2 — Oscillator output / clock out |
| Chân 9 | RA0 — PORTA bit 0 / AN0 |
| Chân 10 | RA1 — PORTA bit 1 / AN1 |
| Chân 11 | RA2 — PORTA bit 2 / AN2 / VREF- |
| Chân 12 | RA3 — PORTA bit 3 / AN3 / VREF+ |
| Chân 13 | RA4 — PORTA bit 4 / AN4 / TOCKI |
| Chân 14 | RA5 — PORTA bit 5 / AN5 / LVDIN |
| Chân 15 | RE0 — PORTE bit 0 / AN6 / RD |
| Chân 16 | RE1 — PORTE bit 1 / AN7 / WR |
| Chân 17 | RE2 — PORTE bit 2 / AN8 / CS |
| Chân 18 | RE3 — PORTE bit 3 / AN9 / VPP |
| Chân 19 | AVDD — Analog supply voltage |
| Chân 20 | AVSS — Analog ground |
| Chân 21 | VDD — Digital supply voltage |
| Chân 22 | VSS — Digital ground |
| Chân 23 | RB0 — PORTB bit 0 / INT0 / AN12 |
| Chân 24 | RB1 — PORTB bit 1 / INT1 / AN10 |
| Chân 25 | RB2 — PORTB bit 2 / INT2 / AN8 |
| Chân 26 | RB3 — PORTB bit 3 / INT3 / CCP2 |
| Chân 27 | RB4 — PORTB bit 4 / KBI0 |
| Chân 28 | RB5 — PORTB bit 5 / KBI1 / PGM |
| Chân 29 | RB6 — PORTB bit 6 / KBI2 / PGC (ICSP clock) |
| Chân 30 | RB7 — PORTB bit 7 / KBI3 / PGD (ICSP data) |
| Chân 31 | VDD — Digital supply voltage |
| Chân 32 | VSS — Digital ground |
| Chân 33 | RC0 — PORTC bit 0 / T1OSO / T1CKI |
| Chân 34 | RC1 — PORTC bit 1 / T1OSI / CCP2 |
| Chân 35 | RC2 — PORTC bit 2 / CCP1 |
| Chân 36 | RC3 — PORTC bit 3 / SCL1 / SCK1 |
| Chân 37 | RC4 — PORTC bit 4 / SDA1 / SDI1 |
| Chân 38 | RC5 — PORTC bit 5 / SDO1 |
| Chân 39 | RC6 — PORTC bit 6 / TX1 / CK1 |
| Chân 40 | RC7 — PORTC bit 7 / RX1 / DT1 |
| Chân 41 | RD0 — PORTD bit 0 / PSP0 / SDA2 |
| Chân 42 | RD1 — PORTD bit 1 / PSP1 / SCL2 |
| Chân 43 | RD2 — PORTD bit 2 / PSP2 |
| Chân 44 | RD3 — PORTD bit 3 / PSP3 |
| Chân 45 | RD4 — PORTD bit 4 / PSP4 / ECANRX |
| Chân 46 | RD5 — PORTD bit 5 / PSP5 / ECANTX |
| Chân 47 | RD6 — PORTD bit 6 / PSP6 / TX2 |
| Chân 48 | RD7 — PORTD bit 7 / PSP7 / RX2 |
| Chân 49 | VSS — Digital ground |
| Chân 50 | VDD — Digital supply voltage |
| Chân 51 | RF0 — PORTF bit 0 / AN5 |
| Chân 52 | RF1 — PORTF bit 1 / AN6 / C2OUT |
| Chân 53 | RF2 — PORTF bit 2 / AN7 / C1OUT |
| Chân 54 | RF3 — PORTF bit 3 / AN8 |
| Chân 55 | RF4 — PORTF bit 4 / AN9 |
| Chân 56 | RF5 — PORTF bit 5 / AN10 / C2INB |
| Chân 57 | RF6 — PORTF bit 6 / AN11 / C1INB |
| Chân 58 | RF7 — PORTF bit 7 / AN12 / SS1 |
| Chân 59 | AVDD — Analog supply voltage |
| Chân 60 | AVSS — Analog ground |
| Chân 61 | RH0 — PORTH bit 0 / A16 |
| Chân 62 | RH1 — PORTH bit 1 / A17 |
| Chân 63 | RH2 — PORTH bit 2 / A18 |
| Chân 64 | RH3 — PORTH bit 3 / A19 |
| Chân 65 | RH4 — PORTH bit 4 / AN12 |
| Chân 66 | RH5 — PORTH bit 5 / AN13 |
| Chân 67 | RH6 — PORTH bit 6 / AN14 |
| Chân 68 | RH7 — PORTH bit 7 / AN15 |
| Chân 69 | RJ0 — PORTJ bit 0 |
| Chân 70 | RJ1 — PORTJ bit 1 |
| Chân 71 | RJ2 — PORTJ bit 2 |
| Chân 72 | RJ3 — PORTJ bit 3 |
| Chân 74 | RJ4 — PORTJ bit 4 |
| Chân 75 | RJ5 — PORTJ bit 5 |
| Chân 76 | RJ6 — PORTJ bit 6 |
| Chân 77 | RJ7 — PORTJ bit 7 |
| Chân 78 | VSS — Digital ground |
| Chân 79 | VDD — Digital supply voltage |
| Chân 80 | NC — Not connected (no bond) |
Ứng dụng tiêu biểu
PIC18F8627-I/PT phù hợp cho 6 Áp dụngs: Industrial CAN-Bus Node Controller, HVAC and Building Management Controller, Automotive Body Electronics ECU, Color TFT LCD Graphics Controller, Three-Phase Motor Drive Front-End, Medical Device Sensor Aggregator.
Industrial CAN-Bus Node Controller
The PIC18F8627-I/PT is well suited to industrial CAN-bus nodes because of its integrated Enhanced CAN (ECAN) module with 2.0B active support and 8 acceptance filter/mask pairs, combined with 96 KB flash for protocol stacks such as CANopen or DeviceNet. At 5V Vdd and 40 MHz Fosc, the part sustains the standard 1 Mbps CAN bit rate without CPU bottleneck. Engineers typically pair the ECAN TX/RX pins with an MCP2551 or TJA1050 transceiver; the 70 GPIO handle additional digital I/O for sensors and actuator drives.
Được đề xuất
HVAC and Building Management Controller
The 16-channel 10-bit ADC and 4 KB RAM make the PIC18F8627-I/PT a strong fit for HVAC controllers that read multiple temperature, humidity, and pressure sensors while driving triacs for fan and damper actuators. With nanoWatt sleep modes, the MCU drops below 1 uA in deep sleep between sensor scans, extending battery life in wireless thermostats. The 2.0V to 5.5V Vdd range allows operation directly from a 3.3V backup rail during power-loss conditions.
Được đề xuất
Automotive Body Electronics ECU
The PIC18F8627-I/PT integrates the ECAN module and abundant I/O (70 pins) needed for body-control modules that manage lighting, door locks, wipers, and mirror control over a CAN bus. Although the I (industrial) temperature grade suits under-dash mounting, design teams must add external ESD protection (e.g. PESD1CAN) on bus lines. The 10-bit ADC is sufficient for battery voltage monitoring and thermistor-based temperature sensing.
Được đề xuất
Color TFT LCD Graphics Controller
The PIC18F8627-I/PT's 70 GPIO pins and 96 KB flash accommodate a TFT-LCD graphics library with touch handling, suitable for HMI panels up to 320x240 QVGA. The two MSSP peripherals provide SPI master operation to the LCD controller (e.g. ILI9341) and I2C to the capacitive touch controller. CTMU support enables resistive touch screen digitisation without an external ADC.
Được đề xuất
Three-Phase Motor Drive Front-End
The PIC18F8627-I/PT can serve as the supervisory MCU in a three-phase inverter front-end, using its 3 CCP/ECCP modules for PWM generation to MOSFET drivers, and 16 ADC channels for back-EMF and current sensing. The 4 KB RAM supports space-vector modulation lookup tables and field-oriented control state variables. At 40 MHz the part delivers sufficient computational headroom for sensorless FOC on small BLDC motors up to several kW.
Được đề xuất
Medical Device Sensor Aggregator
Although the PIC18F8627-I/PT is not medical-grade certified, its industrial temperature range and reliable flash retention support non-critical medical peripherals such as patient-room environmental sensors, infusion pump user interfaces, and bedside monitoring aggregators. The 16-channel ADC with CTMU accurately digitises resistive bridge sensors (pressure, force) used in hospital equipment. Engineers should add external watchdog (e.g. MCP130T) for fail-safe reset behaviour.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F8627-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18F8527-I/PT | PIC18F86K90-I/PT | PIC18F8722-I/PT | PIC18F6627-I/PT | PIC18F85K22-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-pin TQFP (PT) 12x12 mm | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 96 KB | 48 KB | 96 KB | 128 KB | 96 KB | 32 KB |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB |
| Maximum CPU Frequency | 40 MHz | 40 MHz | 64 MHz | 40 MHz | 40 MHz | 64 MHz |
| ECAN Module | Yes (ECAN 2.0B) | Yes | Yes | Yes | Yes | Yes |
| Supply Voltage | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V |
| Lifecycle | Active | Active | Active | NRND | Active | Active |
| Power Architecture | nanoWatt | nanoWatt | nanoWatt XLP | nanoWatt | nanoWatt | nanoWatt XLP |
Bảo phân biệt quan trọng
- Only Microchip 80-pin TQFP PIC18 with 96 KB flash and active lifecycle in 2026 (vsPIC18F8722-I/PT)
- Integrated ECAN 2.0B module with 8 filter/mask pairs (vsPIC18F8585-I/PT)
- Dual nanoWatt sleep modes with deep-sleep under 1 uA typical (vsPIC18F8527-I/PT)
Ghi chú thiết kế
The 80-pin TQFP (PT) 12x12 mm package has 0.5 mm pitch and benefits from a 4-layer PCB with dedicated ground and power planes to minimize EMI and provide stable Vdd to the high-pin-count die. Decouple each Vdd/Vss pair with a 100 nF ceramic cap placed within 3 mm of the pin pair, plus a single 10 uF bulk tantalum or ceramic at the board-level Vdd entry point. The TQFP thermal pad is not present on this package; rely on copper pours on the top layer connected to Vdd/Vss to dissipate the moderate heat generated at 40 MHz / 5V.
Always configure unused I/O pins as outputs driving low to minimize current consumption in sleep mode - floating inputs can draw 100 uA or more per pin through the CMOS input buffer. Configure the MCLR pin with the recommended 10 kohm pull-up and direct connection to the ICSP connector for in-circuit debugging. Brown-out reset (BOR) should be enabled in the configuration bits to prevent code execution at unsafe Vdd levels during power-up; the PIC18F8627-I/PT supports BOR at 2.0V, 2.7V, 4.2V, or 4.5V thresholds.
For the ECAN module the TX and RX traces to the CAN transceiver must be routed as a differential pair with 120 ohm characteristic impedance and matched lengths within 5 mm; place a 4.7 nF split-termination across the bus as close to the transceiver as possible. The ICSP/ICD pins (PGC/PGD on RB6/RB7) should have series 4.7 kohm resistors to isolate the debugger from the application circuit during production, otherwise debug sessions can disturb sensitive analog measurements on adjacent PORTB pins.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - for automotive safety-critical applications consider PIC18F4585 or dsPIC33EP variants. MSL-3 moisture sensitivity rating per JEDEC J-STD-020.
