PIC18F8622-E/PT - 8-Bit 25MHz MCU 64KB Flash 80-TQFP | Microchip
MPN: PIC18F8622-E/PT ✓ פעילPIC18F8622-E/PT סקירה
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.
חלופות תחליף ישיר עבור PIC18F8622-E/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC18F8622-E/PT (אותו גורם צורה וטביעת רגל) — שונים ב Package, Core Architecture, Timers, EEPROM, RAM.
PIC18F8722-E/PT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18F8621-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F8620-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18LF8622-I/PT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18F8520-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F8622-E/PT דירוגים מרביים ומאפיינים חשמליים
| 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 |
| טמפרטורת פעולה | -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 |
| מארז | 80-TQFP (PT), 12 x 12 mm, 1 mm height |
| סוג הרכבה | Surface Mount (gull wing) |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC18F8622-E/PT
| פין 1 | OSC1/CLKI/RA7 — Oscillator input / external clock / I/O port A bit 7 |
| פין 2 | OSC2/CLKO/RA6 — Oscillator output / clock out / I/O port A bit 6 |
| פין 3 | MCLR — Master clear (reset) input |
| פין 4 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| פין 5 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| פין 6 | RA2/AN2/VREF- — I/O port A bit 2 / analog input 2 / ADC VREF- |
| פין 7 | RA3/AN3/VREF+ — I/O port A bit 3 / analog input 3 / ADC VREF+ |
| פין 8 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| פין 9 | RA5/AN4/SS1 — I/O port A bit 5 / analog input 4 / SPI1 slave select |
| פין 10 | VSS — Ground |
| פין 11 | VDD — Positive supply (4.2-5.5 V) |
| פין 12 | RB0/INT0/FLT0 — I/O port B bit 0 / external interrupt 0 / PWM fault 0 |
| פין 13 | RB1/INT1 — I/O port B bit 1 / external interrupt 1 |
| פין 14 | RB2/INT2 — I/O port B bit 2 / external interrupt 2 |
| פין 15 | RB3/INT3 — I/O port B bit 3 / external interrupt 3 |
| פין 16 | RB4/KBI0 — I/O port B bit 4 / interrupt-on-change bit 0 |
| פין 17 | RB5/KBI1 — I/O port B bit 5 / interrupt-on-change bit 1 |
| פין 18 | RB6/KBI2/PGC — I/O port B bit 6 / interrupt-on-change bit 2 / ICD clock |
| פין 19 | RB7/KBI3/PGD — I/O port B bit 7 / interrupt-on-change bit 3 / ICD data |
| פין 20 | VSS — Ground |
| פין 21 | VDD — Positive supply (4.2-5.5 V) |
| פין 22 | RC0/T1OSO/T13CKI — I/O port C bit 0 / Timer1 oscillator out / Timer1/Timer3 clock in |
| פין 23 | RC1/T1OSI/CCP2 — I/O port C bit 1 / Timer1 oscillator in / CCP2 |
| פין 24 | RC2/CCP1 — I/O port C bit 2 / ECCP1 |
| פין 25 | RC3/SCK1/SCL1 — I/O port C bit 3 / SPI1 clock / I2C1 clock |
| פין 26 | RC4/SDI1/SDA1 — I/O port C bit 4 / SPI1 data in / I2C1 data |
| פין 27 | RC5/SDO1 — I/O port C bit 5 / SPI1 data out |
| פין 28 | RC6/TX1/CK1 — I/O port C bit 6 / USART1 transmit / USART1 clock |
| פין 29 | RC7/RX1/DT1 — I/O port C bit 7 / USART1 receive / USART1 data |
| פין 30 | VSS — Ground |
| פין 31 | VDD — Positive supply (4.2-5.5 V) |
| פין 32 | RD0/PSP0 — I/O port D bit 0 / parallel slave port bit 0 |
| פין 33 | RD1/PSP1 — I/O port D bit 1 / parallel slave port bit 1 |
| פין 34 | RD2/PSP2 — I/O port D bit 2 / parallel slave port bit 2 |
| פין 35 | RD3/PSP3 — I/O port D bit 3 / parallel slave port bit 3 |
| פין 36 | RD4/PSP4 — I/O port D bit 4 / parallel slave port bit 4 |
| פין 37 | RD5/PSP5 — I/O port D bit 5 / parallel slave port bit 5 |
| פין 38 | RD6/PSP6 — I/O port D bit 6 / parallel slave port bit 6 |
| פין 39 | RD7/PSP7 — I/O port D bit 7 / parallel slave port bit 7 |
| פין 40 | VSS — Ground |
| פין 41 | VDD — Positive supply (4.2-5.5 V) |
| פין 42 | RE0/RD/AN5 — I/O port E bit 0 / parallel slave port read / analog input 5 |
| פין 43 | RE1/WR/AN6 — I/O port E bit 1 / parallel slave port write / analog input 6 |
| פין 44 | RE2/CS/AN7 — I/O port E bit 2 / parallel slave port chip select / analog input 7 |
| פין 45 | RE3 — I/O port E bit 3 |
| פין 46 | RE4 — I/O port E bit 4 |
| פין 47 | RE5 — I/O port E bit 5 |
| פין 48 | RE6 — I/O port E bit 6 |
| פין 49 | RE7/CCP2 — I/O port E bit 7 / CCP2 alternate |
| פין 50 | VSS — Ground |
| פין 51 | VDD — Positive supply (4.2-5.5 V) |
| פין 52 | RF0/AN5 — I/O port F bit 0 / analog input 5 |
| פין 53 | RF1/AN6/C2OUT — I/O port F bit 1 / analog input 6 / comparator 2 output |
| פין 54 | RF2/AN7/C1OUT — I/O port F bit 2 / analog input 7 / comparator 1 output |
| פין 55 | RF3/AN8 — I/O port F bit 3 / analog input 8 |
| פין 56 | RF4/AN9 — I/O port F bit 4 / analog input 9 |
| פין 57 | RF5/AN10/CVREF — I/O port F bit 5 / analog input 10 / comparator voltage reference |
| פין 58 | RF6/AN11 — I/O port F bit 6 / analog input 11 |
| פין 59 | RF7/AN12 — I/O port F bit 7 / analog input 12 |
| פין 60 | VSS — Ground |
| פין 61 | VDD — Positive supply (4.2-5.5 V) |
| פין 62 | RG0/CCP3 — I/O port G bit 0 / ECCP3 |
| פין 63 | RG1/TX2/CK2 — I/O port G bit 1 / USART2 transmit / USART2 clock |
| פין 64 | RG2/RX2/DT2 — I/O port G bit 2 / USART2 receive / USART2 data |
| פין 65 | RG3/CCP4 — I/O port G bit 3 / ECCP4 |
| פין 66 | RG4 — I/O port G bit 4 |
| פין 67 | RG5 — I/O port G bit 5 |
| פין 68 | RG6 — I/O port G bit 6 |
| פין 69 | RG7 — I/O port G bit 7 |
| פין 70 | VSS — Ground |
| פין 71 | VDD — Positive supply (4.2-5.5 V) |
| פין 72 | RH0/A16 — I/O port H bit 0 / external memory address 16 |
| פין 73 | RH1/A17 — I/O port H bit 1 / external memory address 17 |
| פין 74 | RH2/A18 — I/O port H bit 2 / external memory address 18 |
| פין 75 | RH3/A19 — I/O port H bit 3 / external memory address 19 |
| פין 76 | RH4/AN13 — I/O port H bit 4 / analog input 13 |
| פין 77 | RH5/AN14 — I/O port H bit 5 / analog input 14 |
| פין 78 | RH6/AN15 — I/O port H bit 6 / analog input 15 |
| פין 79 | RH7 — I/O port H bit 7 |
| פין 80 | AVSS — Analog ground |
יישומים טיפוסיים
PIC18F8622-E/PT מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC18F8622-E/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Maximum Flash capacity at the lowest cost in the 80-pin family (לעומתPIC18F8722-E/PT)
- Full ADC + 4 CCP/ECCP modules vs stripped peripheral set (לעומתPIC18F8620-E/PT)
- Higher I/O count and Flash than 40-pin siblings (לעומתPIC18F4620-E/PT)
הערות תכנון
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.
מידע על תאימות
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.
