PIC18F8622-E/PT - 8-Bit 25MHz MCU 64KB Flash 80-TQFP | Microchip
MPN: PIC18F8622-E/PT ✓ Hoạt độngPIC18F8622-E/PT Tóm tắt
The PIC18 family belongs to the 8-bit microcontroller hierarchy that includes microcontroller unit (MCU) -> embedded controller -> microprocessor -> semiconductor. Within this hierarchy, PIC18FX522 parts are high-pin-count variants optimized for human-machine interface (HMI), motor control, and bridging applications. PIC18F8622 specifically is the 80-pin member of the PIC18F8722 family, sharing the same peripheral set across smaller-pin variants.
Key features include a 10-bit ADC with up to 16 channels, 4 enhanced CCP/ECCP modules, a parallel slave port for external memory-style bus expansion, and the PIC18 nanoWatt power management suite. The architecture is built around an enhanced Harvard RISC core with a hardware multiplier, single-cycle 200 ns instruction execution, and on-chip ICD (in-circuit debugger) support.
Typical applications include industrial automation controllers, automotive body/comfort modules, large-format graphical LCD control, sensor hub aggregation nodes, and embedded connectivity gateways. The high I/O count (70 user I/Os) is particularly useful when many digital control lines must be addressed without external bus expanders.
When designing, note that the '-E' suffix denotes the extended (-40C to +125C) industrial operating temperature range; the PIC18F8622 variant (no suffix) is the 0C to +70C commercial grade. Code written for PIC18F8722 (128 KB) can typically be ported down to PIC18F8622 (64 KB) by trimming data tables and lookup arrays. The PIC18F8622 is recommended for automotive design by Microchip; special ordering codes apply for full AEC-Q100 grades.
Bộ thay thế dễ dàng lắp đặt cho PIC18F8622-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 PIC18F8622-E/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Timers, EEPROM, RAM.
PIC18F8722-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F8621-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8620-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF8622-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F8520-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8622-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18 Enhanced RISC (8-bit) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 4 KB |
| EEPROM | 1 KB |
| Maximum CPU Speed | 25 MIPS at 25 MHz |
| Operating Voltage | 4.2 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +125C (E suffix) |
| I/O Pins | 70 |
| ADC | 10-bit, up to 16 channels |
| Serial Interfaces | 2x I2C/SPI + 2x USART (LIN-capable) |
| CCP/ECCP Modules | 4 (enhanced) |
| Parallel Slave Port | Yes |
| Hộp | 80-TQFP (PT), 12 x 12 mm, 1 mm height |
| Kiểu lắp đặt | Surface Mount (gull wing) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F8622-E/PT
| Chân 1 | OSC1/CLKI/RA7 — Oscillator input / external clock / I/O port A bit 7 |
| Chân 2 | OSC2/CLKO/RA6 — Oscillator output / clock out / I/O port A bit 6 |
| Chân 3 | MCLR — Master clear (reset) input |
| Chân 4 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| Chân 5 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| Chân 6 | RA2/AN2/VREF- — I/O port A bit 2 / analog input 2 / ADC VREF- |
| Chân 7 | RA3/AN3/VREF+ — I/O port A bit 3 / analog input 3 / ADC VREF+ |
| Chân 8 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| Chân 9 | RA5/AN4/SS1 — I/O port A bit 5 / analog input 4 / SPI1 slave select |
| Chân 10 | VSS — Ground |
| Chân 11 | VDD — Positive supply (4.2-5.5 V) |
| Chân 12 | RB0/INT0/FLT0 — I/O port B bit 0 / external interrupt 0 / PWM fault 0 |
| Chân 13 | RB1/INT1 — I/O port B bit 1 / external interrupt 1 |
| Chân 14 | RB2/INT2 — I/O port B bit 2 / external interrupt 2 |
| Chân 15 | RB3/INT3 — I/O port B bit 3 / external interrupt 3 |
| Chân 16 | RB4/KBI0 — I/O port B bit 4 / interrupt-on-change bit 0 |
| Chân 17 | RB5/KBI1 — I/O port B bit 5 / interrupt-on-change bit 1 |
| Chân 18 | RB6/KBI2/PGC — I/O port B bit 6 / interrupt-on-change bit 2 / ICD clock |
| Chân 19 | RB7/KBI3/PGD — I/O port B bit 7 / interrupt-on-change bit 3 / ICD data |
| Chân 20 | VSS — Ground |
| Chân 21 | VDD — Positive supply (4.2-5.5 V) |
| Chân 22 | RC0/T1OSO/T13CKI — I/O port C bit 0 / Timer1 oscillator out / Timer1/Timer3 clock in |
| Chân 23 | RC1/T1OSI/CCP2 — I/O port C bit 1 / Timer1 oscillator in / CCP2 |
| Chân 24 | RC2/CCP1 — I/O port C bit 2 / ECCP1 |
| Chân 25 | RC3/SCK1/SCL1 — I/O port C bit 3 / SPI1 clock / I2C1 clock |
| Chân 26 | RC4/SDI1/SDA1 — I/O port C bit 4 / SPI1 data in / I2C1 data |
| Chân 27 | RC5/SDO1 — I/O port C bit 5 / SPI1 data out |
| Chân 28 | RC6/TX1/CK1 — I/O port C bit 6 / USART1 transmit / USART1 clock |
| Chân 29 | RC7/RX1/DT1 — I/O port C bit 7 / USART1 receive / USART1 data |
| Chân 30 | VSS — Ground |
| Chân 31 | VDD — Positive supply (4.2-5.5 V) |
| Chân 32 | RD0/PSP0 — I/O port D bit 0 / parallel slave port bit 0 |
| Chân 33 | RD1/PSP1 — I/O port D bit 1 / parallel slave port bit 1 |
| Chân 34 | RD2/PSP2 — I/O port D bit 2 / parallel slave port bit 2 |
| Chân 35 | RD3/PSP3 — I/O port D bit 3 / parallel slave port bit 3 |
| Chân 36 | RD4/PSP4 — I/O port D bit 4 / parallel slave port bit 4 |
| Chân 37 | RD5/PSP5 — I/O port D bit 5 / parallel slave port bit 5 |
| Chân 38 | RD6/PSP6 — I/O port D bit 6 / parallel slave port bit 6 |
| Chân 39 | RD7/PSP7 — I/O port D bit 7 / parallel slave port bit 7 |
| Chân 40 | VSS — Ground |
| Chân 41 | VDD — Positive supply (4.2-5.5 V) |
| Chân 42 | RE0/RD/AN5 — I/O port E bit 0 / parallel slave port read / analog input 5 |
| Chân 43 | RE1/WR/AN6 — I/O port E bit 1 / parallel slave port write / analog input 6 |
| Chân 44 | RE2/CS/AN7 — I/O port E bit 2 / parallel slave port chip select / analog input 7 |
| Chân 45 | RE3 — I/O port E bit 3 |
| Chân 46 | RE4 — I/O port E bit 4 |
| Chân 47 | RE5 — I/O port E bit 5 |
| Chân 48 | RE6 — I/O port E bit 6 |
| Chân 49 | RE7/CCP2 — I/O port E bit 7 / CCP2 alternate |
| Chân 50 | VSS — Ground |
| Chân 51 | VDD — Positive supply (4.2-5.5 V) |
| Chân 52 | RF0/AN5 — I/O port F bit 0 / analog input 5 |
| Chân 53 | RF1/AN6/C2OUT — I/O port F bit 1 / analog input 6 / comparator 2 output |
| Chân 54 | RF2/AN7/C1OUT — I/O port F bit 2 / analog input 7 / comparator 1 output |
| Chân 55 | RF3/AN8 — I/O port F bit 3 / analog input 8 |
| Chân 56 | RF4/AN9 — I/O port F bit 4 / analog input 9 |
| Chân 57 | RF5/AN10/CVREF — I/O port F bit 5 / analog input 10 / comparator voltage reference |
| Chân 58 | RF6/AN11 — I/O port F bit 6 / analog input 11 |
| Chân 59 | RF7/AN12 — I/O port F bit 7 / analog input 12 |
| Chân 60 | VSS — Ground |
| Chân 61 | VDD — Positive supply (4.2-5.5 V) |
| Chân 62 | RG0/CCP3 — I/O port G bit 0 / ECCP3 |
| Chân 63 | RG1/TX2/CK2 — I/O port G bit 1 / USART2 transmit / USART2 clock |
| Chân 64 | RG2/RX2/DT2 — I/O port G bit 2 / USART2 receive / USART2 data |
| Chân 65 | RG3/CCP4 — I/O port G bit 3 / ECCP4 |
| Chân 66 | RG4 — I/O port G bit 4 |
| Chân 67 | RG5 — I/O port G bit 5 |
| Chân 68 | RG6 — I/O port G bit 6 |
| Chân 69 | RG7 — I/O port G bit 7 |
| Chân 70 | VSS — Ground |
| Chân 71 | VDD — Positive supply (4.2-5.5 V) |
| Chân 72 | RH0/A16 — I/O port H bit 0 / external memory address 16 |
| Chân 73 | RH1/A17 — I/O port H bit 1 / external memory address 17 |
| Chân 74 | RH2/A18 — I/O port H bit 2 / external memory address 18 |
| Chân 75 | RH3/A19 — I/O port H bit 3 / external memory address 19 |
| Chân 76 | RH4/AN13 — I/O port H bit 4 / analog input 13 |
| Chân 77 | RH5/AN14 — I/O port H bit 5 / analog input 14 |
| Chân 78 | RH6/AN15 — I/O port H bit 6 / analog input 15 |
| Chân 79 | RH7 — I/O port H bit 7 |
| Chân 80 | AVSS — Analog ground |
Ứng dụng tiêu biểu
PIC18F8622-E/PT phù hợp cho 6 Áp dụngs: Industrial Automation Controller, Automotive Body and Comfort Module, Graphical LCD and HMI Controller, Sensor Hub Aggregation Node, Embedded Connectivity Gateway, Motor Control and PWM Driver Board.
Industrial Automation Controller
The PIC18F8622-E/PT's 70 I/O pins and four serial ports (2x I2C/SPI + 2x USART) make it well-suited for industrial PLC and distributed I/O modules that must aggregate dozens of digital inputs, drive relay or MOSFET outputs, and bridge to upstream HMIs. Its 64 KB Flash fits typical ladder-logic translation firmware plus diagnostic libraries, while the extended -40C to +125C temperature rating supports factory-floor cabinet environments. The PIC18 nanoWatt idle modes (down to nanoamp-level sleep current) enable always-on sensor nodes that wake on interrupt, reducing panel power consumption by orders of magnitude compared with always-active designs.
Được đề xuất
Automotive Body and Comfort Module
Microchip specifically recommends the PIC18F8622 family for automotive body-comfort designs such as seat controllers, mirror adjusters, and HVAC blend-door actuators. The PIC18F8622-E/PT's -40C to +125C industrial range covers cabin and underhood-adjacent environments, while the LIN-capable USART enables single-wire LIN bus connectivity that is standard in automotive body networks. The hardware multiplier and ECCP modules simplify PWM-driven motor control for small DC and stepper loads. Note that full AEC-Q100 qualification requires the dedicated automotive ordering codes referenced on the Microchip product page.
Được đề xuất
Graphical LCD and HMI Controller
The PIC18F8622-E/PT's parallel slave port and abundant I/O (70 pins) make it a strong host for medium-resolution graphical LCDs and TFT panels in industrial HMIs. The 4 KB RAM accommodates display frame buffers for monochrome graphics up to 128x64 pixels or small color UIs, while the 64 KB Flash stores font tables, menu structures, and bitmaps. Four CCP/ECCP modules can simultaneously drive backlight PWM, touchscreen scanning, and status LEDs. Designers can migrate upward to the PIC18F8722 (128 KB Flash) in the same 80-TQFP footprint if the UI asset set grows beyond 64 KB.
Được đề xuất
Sensor Hub Aggregation Node
With 16 ADC channels and two I2C/SPI ports, the PIC18F8622-E/PT can aggregate multiple analog and digital sensors into a single upstream reporting node. Typical deployments include HVAC sensor arrays (temperature, humidity, CO2, particulate), process-control manifolds, or building-automation rack nodes. The PIC18 nanoWatt sleep modes drop the MCU to nanoamp currents between sample intervals, enabling battery-backed or energy-harvested sensor pods. The 4 KB RAM buffer holds enough samples for short-term averaging before forwarding over the LIN-capable USART to a central controller.
Được đề xuất
Embedded Connectivity Gateway
The PIC18F8622-E/PT's four serial ports (2x I2C/SPI + 2x USART, LIN-capable) and parallel slave port make it well-suited as a protocol-translation gateway between legacy RS-232/RS-485 industrial buses, SPI peripherals, and LIN sub-networks. Its 64 KB Flash fits compact protocol stacks for Modbus RTU, LIN 2.x, and I2C sensor bridging, while the ECCP modules can generate timing-critical waveforms. Industrial temperature rating supports cabinet installations, and the same 80-TQFP footprint across the PIC18F8622/PIC18F8722 family allows firmware upgrades to add richer protocol libraries without PCB rework.
Được đề xuất
Motor Control and PWM Driver Board
The PIC18F8622-E/PT's four enhanced CCP/ECCP modules deliver up to four independent PWM channels, sufficient for small BLDC, stepper, or multi-phase DC motor control on a single MCU. The hardware 8x8 multiplier accelerates Park/Clarke transformations used in simple FOC algorithms, while 16 ADC channels sample current-sense amplifiers and back-EMF comparators in real time. The 70 I/O lines accept quadrature encoder inputs, limit switches, and fault signals without external bus expanders. The -E temperature grade supports motor enclosures where ambient temperatures routinely exceed 85C.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F8622-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 | PIC18F8722-E/PT | PIC18F8621-I/PT | PIC18F8620-E/PT | PIC18LF8622-I/PT | PIC18F8520-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-TQFP (PT) 12x12 mm | 80-TQFP (PT) 12x12 mm - same | 80-TQFP (PT) 12x12 mm - same | 80-TQFP (PT) 12x12 mm - same | 80-TQFP (PT) 12x12 mm - same | 80-TQFP (PT) 12x12 mm - same |
| Flash Program Memory | 64 KB | 128 KB | 32 KB | 64 KB | 64 KB | 32 KB |
| Operating Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 3.6 V | 4.2 V to 5.5 V |
| Temperature Grade (this MPN suffix) | -40C to +125C (E suffix) | -40C to +125C (E suffix) | -40C to +85C (I suffix) | -40C to +125C (E suffix) | -40C to +85C (I suffix) | -40C to +85C (I suffix) |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| ADC Channels | 16 (10-bit) | 16 (10-bit) | 16 (10-bit) | 0 (no ADC) | 16 (10-bit) | 8 (10-bit) |
| CCP/ECCP Modules | 4 | 4 | 4 | 0 | 4 | 2 |
Bảo phân biệt quan trọng
- Maximum Flash capacity at the lowest cost in the 80-pin family (vsPIC18F8722-E/PT)
- Full ADC + 4 CCP/ECCP modules vs stripped peripheral set (vsPIC18F8620-E/PT)
- Higher I/O count and Flash than 40-pin siblings (vsPIC18F4620-E/PT)
Ghi chú thiết kế
The PIC18F8622-E/PT requires a 4.2 V to 5.5 V supply; if your system runs from 3.3 V only, choose the PIC18LF8622-I/PT (drop-in pin compatible) or add a boost regulator. Place 100 nF decoupling on every VDD/VSS pair (the package has multiple VDD/VSS pins: 11/10, 21/20, 31/30, 41/40, 51/50, 61/60, 71/70) plus a 10 uF bulk cap on the main VDD rail. AVSS (pin 80) must be tied to VSS even when the ADC is unused, with its own dedicated ground return to the analog reference if used.
Route the 25 MHz crystal traces (OSC1/OSC2, pins 1-2) with short, symmetric traces and guard ground on both sides; keep them away from the parallel slave port (RD0-RD7, RE0-RE2) which carries bus switching noise. Place MCLR (pin 3) pull-up close to the pin per Microchip ICD specifications. The PGC/PGD pins (RB6/RB7, pins 18-19) must be accessible for in-circuit debugging - do not place series resistors over 470 ohm on these lines or ICD programming will fail.
Watch for the suffix distinction: PIC18F8622 (commercial 0-70C), PIC18F8622-I (industrial -40 to +85C), and PIC18F8622-E (extended -40 to +125C) all exist in the same 80-TQFP. Choosing the wrong grade for an industrial cabinet design causes field failures. Automotive designs must use the dedicated AEC-Q100 ordering codes, not the -E industrial grade, despite the overlapping temperature range.
Thông tin tuân thủ
Microchip recommends PIC18F8622 family for automotive design, but the -E industrial variant is not itself AEC-Q100 qualified; full Q100 grades require special automotive ordering codes. RoHS and lead-free status confirmed per Microchip product page.
