PIC18F8627-E/PT - 96KB Flash 8-bit MCU 80-Pin TQFP | Microchip
MPN: PIC18F8627-E/PT ✓ Hoạt độngPIC18F8627-E/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program flash + SRAM), non-volatile EEPROM, and configurable peripherals onto one silicon die. The 8-bit data path executes arithmetic and logic on bytes, and modern enhanced 8-bit cores such as the PIC18 family add a 16-bit instruction word and hardware multiply to deliver near-16-bit performance for control-loop, sensor-interface, and human-machine-interface applications. Within the broader taxonomy, the PIC18F8627 belongs to the 8-bit MCU category, which sits under microcontroller -> microprocessor -> semiconductor device.
This part is the extended-temperature ("-E") variant rated for -40 C to +125 C operation, making it suitable for industrial and harsh-environment deployments. Compared with the PIC18F8525/8622 predecessors, the PIC18F8627 doubles the flash to 96 KB and adds the enhanced CAN peripheral plus USB-ready oscillator blocks. The 80-pin TQFP exposes four 8-bit ports plus extra analog and timer pins, enabling direct drive of graphical LCDs, keypads, and motor-driver stages.
Typical applications include industrial control panels, automotive body and HVAC modules, building-automation gateways, medical instrument controllers, and consumer appliances requiring graphical user interfaces or networked sensor aggregation. Its CAN 2.0B peripheral is particularly attractive for in-vehicle networks and industrial fieldbus bridges. When designing with this part, ensure the configured oscillator (HS, EC, or PLL) matches the chosen 25 MHz or 40 MHz operation mode, and follow Microchip AN822 (flash programming) and the PIC18 configuration bits reference for in-circuit serial programming.
Bộ thay thế dễ dàng lắp đặt cho PIC18F8627-E/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-E/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Package, Operating Temperature, I/O Pins, ADC.
PIC18F8527-I/PT
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Xem tài liệu →PIC18F8722-I/PT
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Xem tài liệu →PIC18F85K22-E/PT
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Xem tài liệu →PIC18F8720-E/PT
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Xem tài liệu →PIC18F8627-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18 Enhanced RISC (8-bit data, 16-bit instruction) |
| Program Memory (Flash) | 96 KB |
| Data SRAM | 3,936 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Supply Voltage (Vdd) | 4.2 V to 5.5 V |
| I/O Pins | 70 |
| Bề rộng đường dữ liệu | 16-bit instruction / 8-bit data path |
| Communication Peripherals | 2x USART, MSSP (SPI/I2C), Enhanced CAN 2.0B |
| Hộp | 80-pin TQFP (PT), 12 x 12 mm, 1 mm height |
| Nhiệt độ hoạt động | -40 C to +125 C (extended "-E" grade) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| Brown-out Reset | Yes (per PIC18 family) |
| Watchdog Timer | Yes (WDT with on-chip RC oscillator) |
Cấu hình chân PIC18F8627-E/PT
| Chân 1 | OSC1/CLKI/RA7 — Crystal/clock input or port A bit 7 |
| Chân 2 | OSC2/CLKO/RA6 — Crystal/clock output or port A bit 6 |
| Chân 3 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Chân 4 | RA1/AN1 — Port A bit 1 / analog input 1 |
| Chân 5 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / VREF- |
| Chân 6 | RA3/AN3/VREF+ — Port A bit 3 / analog input 3 / VREF+ |
| Chân 7 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Chân 8 | RA5/AN4 — Port A bit 5 / analog input 4 |
| Chân 9 | RE0/RD — Port E bit 0 / CAN receive input |
| Chân 10 | RE1/C1OUT — Port E bit 1 / comparator 1 output |
| Chân 11 | RE2/CS — Port E bit 2 / CAN standby |
| Chân 12 | VDD — Positive supply |
| Chân 13 | VSS — Ground |
| Chân 14 | RB0/INT0 — Port B bit 0 / external interrupt 0 |
| Chân 15 | RB1/INT1 — Port B bit 1 / external interrupt 1 |
| Chân 16 | RB2/INT2 — Port B bit 2 / external interrupt 2 |
| Chân 17 | RB3/INT3 — Port B bit 3 / external interrupt 3 |
| Chân 18 | RB4 — Port B bit 4 |
| Chân 19 | RB5 — Port B bit 5 |
| Chân 20 | RB6/PGC — Port B bit 6 / ICSP clock |
| Chân 21 | RB7/PGD — Port B bit 7 / ICSP data |
| Chân 22 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer1 I/O |
| Chân 23 | RC1/T1OSI — Port C bit 1 / Timer1 oscillator input |
| Chân 24 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 |
| Chân 25 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Chân 26 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Chân 27 | RC5/SDO — Port C bit 5 / SPI data out |
| Chân 28 | RC6/TX1/CK1 — Port C bit 6 / USART1 TX / clock |
| Chân 29 | RC7/RX1/DT1 — Port C bit 7 / USART1 RX / data |
| Chân 30 | RD0/PSP0 — Port D bit 0 / parallel slave port 0 |
| Chân 31 | RD1/PSP1 — Port D bit 1 / parallel slave port 1 |
| Chân 32 | RD2/PSP2 — Port D bit 2 / parallel slave port 2 |
| Chân 33 | RD3/PSP3 — Port D bit 3 / parallel slave port 3 |
| Chân 34 | RD4/PSP4 — Port D bit 4 / parallel slave port 4 |
| Chân 35 | RD5/PSP5 — Port D bit 5 / parallel slave port 5 |
| Chân 36 | RD6/PSP6 — Port D bit 6 / parallel slave port 6 |
| Chân 37 | RD7/PSP7 — Port D bit 7 / parallel slave port 7 |
| Chân 38 | VSS — Ground |
| Chân 39 | VDD — Positive supply |
| Chân 40 | RF0/CANRX — Port F bit 0 / Enhanced CAN receive |
| Chân 41 | RF1/CANTX — Port F bit 1 / Enhanced CAN transmit |
| Chân 42 | RF2 — Port F bit 2 |
| Chân 43 | RF3 — Port F bit 3 |
| Chân 44 | RF4 — Port F bit 4 |
| Chân 45 | RF5 — Port F bit 5 |
| Chân 46 | RF6 — Port F bit 6 |
| Chân 47 | RF7 — Port F bit 7 |
| Chân 48 | AVSS — Analog ground |
| Chân 49 | AVDD — Analog positive supply |
| Chân 50 | RG0 — Port G bit 0 |
| Chân 51 | RG1 — Port G bit 1 |
| Chân 52 | RG2 — Port G bit 2 |
| Chân 53 | RG3 — Port G bit 3 |
| Chân 54 | RG4 — Port G bit 4 |
| Chân 55 | RG5 — Port G bit 5 |
| Chân 56 | RH0 — Port H bit 0 |
| Chân 57 | RH1 — Port H bit 1 |
| Chân 58 | RH2 — Port H bit 2 |
| Chân 59 | RH3 — Port H bit 3 |
| Chân 60 | RH4 — Port H bit 4 |
| Chân 61 | RH5 — Port H bit 5 |
| Chân 62 | RH6 — Port H bit 6 |
| Chân 63 | RH7 — Port H bit 7 |
| Chân 64 | RJ0 — Port J bit 0 |
| Chân 65 | RJ1 — Port J bit 1 |
| Chân 66 | RJ2 — Port J bit 2 |
| Chân 67 | RJ3 — Port J bit 3 |
| Chân 68 | RJ4 — Port J bit 4 |
| Chân 69 | RJ5 — Port J bit 5 |
| Chân 70 | RJ6 — Port J bit 6 |
| Chân 71 | RJ7 — Port J bit 7 |
| Chân 72 | RK0 — Port K bit 0 |
| Chân 73 | RK1 — Port K bit 1 |
| Chân 74 | RK2 — Port K bit 2 |
| Chân 75 | RK3 — Port K bit 3 |
| Chân 76 | RK4 — Port K bit 4 |
| Chân 77 | RK5 — Port K bit 5 |
| Chân 78 | RK6 — Port K bit 6 |
| Chân 79 | RK7 — Port K bit 7 |
| Chân 80 | MCLR — Master clear / reset input (active low) |
Ứng dụng tiêu biểu
PIC18F8627-E/PT phù hợp cho 6 Áp dụngs: Industrial Control Panels (HMI / PLC), Automotive Body & HVAC Modules, Building Automation Gateways, Medical Instrument Controllers, Consumer Appliance Controllers, Sensor Aggregation & Data Logger Nodes.
Industrial Control Panels (HMI / PLC)
The PIC18F8627-E/PT is well-suited to industrial HMI and PLC front-end controllers because it integrates 70 digital I/O pins for direct keypad, LED, and 7-segment multiplexing without external buffers. Its 96 KB flash holds ladder-logic interpreters, Modbus RTU slave stacks, and graphical UI bitmaps, while the 4.2-5.5 V supply range pairs cleanly with 24V-to-5V industrial rails. Two USARTs enable simultaneous RS-485 Modbus and RS-232 debug console, and the Enhanced CAN 2.0B peripheral is ready for CANopen slave or DeviceNet bridge roles.
Được đề xuất
Automotive Body & HVAC Modules
In automotive body controllers, climate-control modules, and instrument clusters, the PIC18F8627-E/PT's Enhanced CAN 2.0B module communicates directly with the vehicle bus, while the 70 I/O pins drive relays, blower motors, and stepper-motor driver stages. The extended -40 C to +125 C temperature grade covers under-dash and engine-bay-adjacent installations per AEC-Q100-style Microchip testing. The 96 KB flash comfortably absorbs CAN-based diagnostic stacks such as UDS or KWP2000, leaving headroom for LIN slave implementations on the MSSP peripheral.
Được đề xuất
Building Automation Gateways
Building-automation gateways aggregate multiple fieldbuses (BACnet MS-TP, Modbus RTU, KNX, LonWorks) and forward data to IP networks, and the PIC18F8627-E/PT is a strong fit thanks to its two USARTs and Enhanced CAN module on a single chip. The 96 KB flash runs BACnet/IP and Modbus TCP firmware stacks, while the MSSP peripheral handles SPI-driven Ethernet controllers such as the ENC28J60. Extended-temperature operation tolerates rooftop and unconditioned mechanical-room enclosures.
Được đề xuất
Medical Instrument Controllers
Medical instrumentation such as infusion pumps, blood-pressure monitors, and portable analyzers benefits from the PIC18F8627-E/PT's deterministic PIC18 instruction set, on-chip 10-bit ADC for sensor signal conditioning, and 96 KB flash for safety-critical firmware. The extended-temperature rating supports both clinical and field-emergency environments, and the CAN peripheral enables integration with hospital bed networks or device clusters. The nanoWatt power-management modes extend battery life in portable designs.
Được đề xuất
Consumer Appliance Controllers
White-goods appliances (washing machines, dishwashers, ovens, refrigerators) deploy the PIC18F8627-E/PT as the main controller because 70 I/O pins drive motor triacs, solenoids, valve relays, and TFT/LCD displays without external bus expanders. The Enhanced CAN peripheral is increasingly used for appliance networking in premium models, and the 96 KB flash accommodates proprietary wash-cycle algorithms and over-the-air update stubs. Wide 4.2-5.5 V supply aligns with rectified-mains-derived 5 V rails.
Được đề xuất
Sensor Aggregation & Data Logger Nodes
Industrial sensor-aggregation nodes that sample multiple analog inputs, time-stamp events, and forward over CAN or RS-485 lean on the PIC18F8627-E/PT's 10-bit ADC (multiple channels), 70 I/O for parallel sensor arrays, and dual USARTs for sensor + debug channels. The 3,936-byte SRAM holds circular buffers for event logs before flushing to external EEPROM, and 96 KB flash holds the Modbus or CANopen slave stack. Extended-temperature tolerance supports outdoor and factory-floor deployments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F8627-E/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 | PIC18F67K90-E/PT | PIC18F8722-I/PT | PIC18F85K22-E/PT | PIC18F8720-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (PT) | 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 |
| Flash Program Memory | 96 KB | 32 KB | 128 KB | 128 KB | 32 KB | 64 KB |
| Data SRAM | 3,936 bytes | 1,536 bytes | 3,936 bytes | 3,936 bytes | 2,048 bytes | 3,936 bytes |
| Maximum CPU Speed | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 64 MHz / 16 MIPS | 40 MHz / 10 MIPS | 64 MHz / 16 MIPS | 40 MHz / 10 MIPS |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 5.5 V (XLP) | 4.2 V to 5.5 V | 1.8 V to 5.5 V (XLP) | 4.2 V to 5.5 V |
| Enhanced CAN 2.0B | Yes | Yes | No | Yes | No | Yes |
| Operating Temperature | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +125 C (E) |
| nanoWatt XLP Power Management | Yes (legacy nanoWatt) | Yes (legacy) | Yes (XLP) | Yes (legacy) | Yes (XLP) | Yes (legacy) |
Bảo phân biệt quan trọng
- Largest flash in PIC18F86xx family for legacy upgrades (vsPIC18F8527-I/PT)
- Wider operating temperature range than industrial variants (vsPIC18F8722-I/PT)
- Retains Enhanced CAN 2.0B for vehicle/industrial networks (vsPIC18F85K22-E/PT)
- Higher flash density than older F8720 generation (vsPIC18F8720-E/PT)
Ghi chú thiết kế
Power the PIC18F8627-E/PT from a regulated 5 V rail with at least one 100 nF ceramic decoupling capacitor placed within 5 mm of each Vdd/Vss pair on the 80-pin TQFP; add a 10 uF bulk tantalum or ceramic cap on the main Vdd plane. AVdd/AVss should be sourced from a low-noise LDO (e.g. MCP1700) when using the 10-bit ADC to avoid reference drift. Brown-out reset (BOR) and low-voltage detect (LVD) must be enabled in configuration bits for industrial safety.
Estimated: at maximum 40 MHz CPU speed with all peripherals enabled and I/O toggling at 5 V, the PIC18F8627-E/PT typically dissipates under 250 mW; with the 80-pin TQFP thermal resistance around 50 C/W (per Microchip packaging notes), junction temperature rise is modest for room-temperature operation. In extended-temperature deployments at +125 C ambient, ensure peripheral current does not exceed the datasheet I/O sink/source ratings (typically 25 mA per pin, 200 mA per port group). Provide adequate copper pour to dissipate self-heating.
Layout the 80-pin TQFP with a continuous ground plane on the top or bottom layer to provide low-impedance return paths for switching I/O. Keep crystal traces short and symmetric; route the ICSP PGC/PGD lines (RB6/RB7) away from high-current switching nets to avoid programming glitches. Place the CAN transceiver (e.g. MCP2551 or TJA1050) within 50 mm of RF0 (CANRX) / RF1 (CANTX) and add a TVS diode on the bus lines for automotive EMC compliance.
Common pitfalls when designing with the PIC18F8627-E/PT: (1) forgetting to disable the analog inputs (PCFG bits in ADCON1) on pins used as digital I/O, which leaves them floating; (2) omitting the MCLR pull-up resistor (typically 10 kohm to Vdd) and thus allowing spurious resets; (3) leaving the ICSP pins unisolated from application circuits, which can load the programmer; (4) configuring PLL mode without proper configuration-bit setup, leading to no oscillator start. Always review CONFIG1H through CONFIG5L/5H against Microchip AN822 programming notes.
Thông tin tuân thủ
RoHS and lead-free compliance per Microchip product page. PIC18F8627-E/PT is not specifically AEC-Q100 qualified - confirm with Microchip for automotive-grade certifications. Halogen-free status not specified in provided data.
