PIC18F6622-E/PT - 8-bit MCU 64KB Flash 64-TQFP | Microchip
料号： PIC18F6622-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $10.94 | $10.94 |
| 10 | $9.79 | $97.90 |
| 100 | $8.42 | $842.00 |
| 500 | $7.36 | $3,680.00 |
| 1,000 | $6.71 | $6,710.00 |
PIC18F6622-E/PT 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a configurable set of peripherals (ADC, timers, communication ports, I/O). The PIC18F family sits in Microchip's 8-bit nanoWatt XLP portfolio and is intended for embedded applications requiring moderate code density, deterministic real-time response, and rich connectivity. Within Microchip's taxonomy, PIC18F6622 belongs to the PIC18F8722 device family: 8-bit MCU > microcontroller > embedded IC > semiconductor.
Key features include four serial ports: two synchronous (I2C and SPI) and two asynchronous (USART with LIN hardware support), making the part well suited to multi-bus gateways. The nanoWatt XLP power-management architecture provides multiple low-power sleep modes and peripheral clock gating, and the device also integrates 4 hardware capture/compare/PWM modules for motor and lighting control. The 54 I/O pins are 5 V tolerant and software-configurable as digital or analog.
Typical applications include industrial control panels, large low-power sensor nodes, automotive body and LIN-cluster nodes, USB/serial bridges, and any embedded design that needs more code space and peripherals than smaller PIC18F parts can provide. The 64 KB flash / 4 KB RAM envelope fits embedded TCP/IP stacks, USB CDC/HID class firmware, and graphical menu systems.
When designing with this part, budget an external 10 MHz crystal or use the internal oscillator block; ensure the AVDD/AVSS pins are filtered separately from the digital supply if ADC accuracy matters, and reserve one I/O pin for In-Circuit Serial Programming (ICSP). Note the -E suffix denotes the -40C to +125C extended industrial temperature grade.
This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives in the 64-TQFP footprint, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC18F6622-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC18F6622-E/PT （相同外形与封装尺寸） ——差异在于 Core Architecture, Timers, Package, ADC, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC18F6622-I/PT
✅ 直接替换✓ 有现货
$5.62 / 个
查看数据手册 →PIC18F6722-E/PT
✅ 直接替换✓ 有现货
$10.1 / 个
查看数据手册 →PIC18F6621-E/PT
✅ 直接替换✓ 有现货
$7.12 / 个
查看数据手册 →PIC18F6527-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F6627-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F6585-E/PT
✅ 直接替换✓ 有现货
$9.78 / 个
查看数据手册 →PIC18F6622-E/PT 最大额定值与电气特性
| Core Architecture | PIC18 (8-bit) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data RAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Clock | 40 MHz (FOSC); 25 MHz datasheet spec; 10 MIPS |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 10-bit, up to 12 channels |
| Timers | 4 x 8/16-bit Timer/counter modules |
| CCP Modules | 4 x Capture/Compare/PWM |
| EUSART | 2 (LIN-capable) |
| MSSP | 2 (I2C + SPI) |
| 工作温度 | -40C to +125C (E = extended industrial) |
| 封装 | 64-pin TQFP, 10x10 mm, 1 mm height, MS-026 |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 |
| RoHS 状态 | Compliant (Pb-free) |
| Power-Saving Modes | nanoWatt XLP (multiple sleep modes) |
PIC18F6622-E/PT 引脚配置
| 引脚 1 | MCLR/RE3 — Master Clear (Reset) input or digital input RE3 |
| 引脚 2 | RA0/AN0 — PORTA bit 0 / analog input AN0 |
| 引脚 3 | RA1/AN1 — PORTA bit 1 / analog input AN1 |
| 引脚 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input AN2 / ADC VREF- |
| 引脚 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input AN3 / ADC VREF+ |
| 引脚 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| 引脚 7 | RA5/AN4/SS1 — PORTA bit 5 / analog input AN4 / SPI1 slave select |
| 引脚 8 | RA6 — PORTA bit 6 |
| 引脚 9 | RA7 — PORTA bit 7 |
| 引脚 10 | RE0/RD — PORTE bit 0 / parallel-port read control |
| 引脚 11 | RE1/WR — PORTE bit 1 / parallel-port write control |
| 引脚 12 | RE2/CS — PORTE bit 2 / parallel-port chip select |
| 引脚 13 | VDD — Positive supply (4.2-5.5 V) |
| 引脚 14 | VSS — Ground |
| 引脚 15 | OSC1/CLKI/RA7 — Oscillator crystal input or external clock input |
| 引脚 16 | OSC2/CLKO/RA6 — Oscillator crystal output or clock output |
| 引脚 17 | RC0/T1OSO/T13CKI — PORTC bit 0 / Timer1 oscillator output / clock input |
| 引脚 18 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| 引脚 19 | RC2/CCP1 — PORTC bit 2 / CCP1 |
| 引脚 20 | RC3/SCK1/SCL1 — PORTC bit 3 / SPI1 clock / I2C1 clock |
| 引脚 21 | RC4/SDI1/SDA1 — PORTC bit 4 / SPI1 data in / I2C1 data |
| 引脚 22 | RC5/SDO1 — PORTC bit 5 / SPI1 data out |
| 引脚 23 | RC6/TX1/CK1 — PORTC bit 6 / EUSART1 transmit / clock |
| 引脚 24 | RC7/RX1/DT1 — PORTC bit 7 / EUSART1 receive / data |
| 引脚 25 | RD0/PSP0 — PORTD bit 0 / parallel slave port bit 0 |
| 引脚 26 | RD1/PSP1 — PORTD bit 1 / parallel slave port bit 1 |
| 引脚 27 | RD2/PSP2 — PORTD bit 2 / parallel slave port bit 2 |
| 引脚 28 | RD3/PSP3 — PORTD bit 3 / parallel slave port bit 3 |
| 引脚 29 | RD4/PSP4 — PORTD bit 4 / parallel slave port bit 4 |
| 引脚 30 | RD5/PSP5 — PORTD bit 5 / parallel slave port bit 5 |
| 引脚 31 | RD6/PSP6/TX2/CK2 — PORTD bit 6 / parallel slave port bit 6 / EUSART2 transmit |
| 引脚 32 | RD7/PSP7/RX2/DT2 — PORTD bit 7 / parallel slave port bit 7 / EUSART2 receive |
| 引脚 33 | VSS — Ground |
| 引脚 34 | VDD — Positive supply (4.2-5.5 V) |
| 引脚 35 | RB0/INT0/FLT0 — PORTB bit 0 / external interrupt 0 / PWM fault input |
| 引脚 36 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| 引脚 37 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| 引脚 38 | RB3/INT3/CCP2 — PORTB bit 3 / external interrupt 3 / CCP2 |
| 引脚 39 | RB4/KBI0 — PORTB bit 4 / interrupt-on-change bit 0 |
| 引脚 40 | RB5/KBI1 — PORTB bit 5 / interrupt-on-change bit 1 |
| 引脚 41 | RB6/KBI2/PGC — PORTB bit 6 / interrupt-on-change bit 2 / ICSP clock |
| 引脚 42 | RB7/KBI3/PGD — PORTB bit 7 / interrupt-on-change bit 3 / ICSP data |
| 引脚 43 | RF0 — PORTF bit 0 |
| 引脚 44 | RF1 — PORTF bit 1 |
| 引脚 45 | RF2 — PORTF bit 2 |
| 引脚 46 | RF3 — PORTF bit 3 |
| 引脚 47 | RF4 — PORTF bit 4 |
| 引脚 48 | RF5 — PORTF bit 5 |
| 引脚 49 | RF6 — PORTF bit 6 |
| 引脚 50 | RF7 — PORTF bit 7 |
| 引脚 51 | RG0 — PORTG bit 0 |
| 引脚 52 | RG1 — PORTG bit 1 |
| 引脚 53 | RG2 — PORTG bit 2 |
| 引脚 54 | RG3 — PORTG bit 3 |
| 引脚 55 | RG4 — PORTG bit 4 |
| 引脚 56 | RG5 — PORTG bit 5 |
| 引脚 57 | AVDD — Analog positive supply |
| 引脚 58 | AVSS — Analog ground |
| 引脚 59 | RH0 — PORTH bit 0 |
| 引脚 60 | RH1 — PORTH bit 1 |
| 引脚 61 | RH2 — PORTH bit 2 |
| 引脚 62 | RH3 — PORTH bit 3 |
| 引脚 63 | RH4 — PORTH bit 4 |
| 引脚 64 | RH5 — PORTH bit 5 |
典型应用
PIC18F6622-E/PT 适用于 6 应用s: Industrial Control Panel HMI, LIN Automotive Body Controller, Multi-Serial Port Sensor Gateway, Low-Power Wireless Sensor Node, Motor and Lighting PWM Controller, Large-Pin-Count Embedded Data Logger.
Industrial Control Panel HMI
The PIC18F6622-E/PT fits industrial HMI panels because its 64 KB flash and 4 KB RAM accommodate graphical menu state machines, while the 12-channel 10-bit ADC at 100 ksps handles backlight, key-matrix, and analog sensor reads without an external MUX. Its 54 GPIO directly drive 4x4 key matrices, character LCDs, and status LEDs without glue logic, and the nanoWatt XLP sleep modes drop panel standby current to microamps for mains-powered 24/7 operation. Two MSSP channels drive I2C-based temperature sensors and SPI flash memory for logging. Engineers choose this part over smaller PIC18F variants when their menu tree or MODBUS RTU command set exceeds 32 KB of code.
推荐
LIN Automotive Body Controller
The PIC18F6622-E/PT's two EUSART modules with LIN 1.3 hardware support and 54 GPIO pins map cleanly to body-control modules driving mirrors, locks, and lighting clusters. The -40C to +125C extended industrial temperature range handles under-dash thermal stress, while the 4.2-5.5 V supply accepts a 12 V battery rail post-regulation. The 4 KB RAM buffers LIN scheduling tables without real-time jitter, and the 4 CCP/PWM channels directly drive LED dimming and small motor control. For AEC-Q100 safety-critical roles, the automotive-grade PIC18F6622-I/PT variant in the same 64-TQFP is preferred.
推荐
Multi-Serial Port Sensor Gateway
With two EUSART (LIN-capable), two MSSP (I2C + SPI), and 54 GPIO, the PIC18F6622-E/PT serves as a four-bus gateway bridging RS-485 sensors, SPI ADC front-ends, and I2C peripherals to a host controller. The 64 KB flash holds lightweight Modbus or MQTT-SN gateway firmware; the 4 KB RAM buffers incoming Modbus frames. The nanoWatt XLP architecture lets the gateway idle between sensor polls at sub-microamp currents, which is critical for solar-powered remote installations. Engineers prefer this part over 32 KB PIC18F variants when protocol translation tables push firmware above 32 KB.
推荐
Low-Power Wireless Sensor Node
The PIC18F6622-E/PT's nanoWatt XLP technology provides multiple deep-sleep modes that drop current below 100 nA with RTC running, while the 12-channel 10-bit ADC reads battery voltage, temperature, and analog sensor outputs. The 64 KB flash stores wireless-protocol MAC/PHY glue for sub-GHz modules such as MRF89XA, and the 4 KB RAM buffers payload before burst transmit. The extended -40C to +125C range supports outdoor and industrial deployments. Compared with smaller PIC18F parts, the 6622 wins when the node firmware includes over-the-air update logic and local data logging.
推荐
Motor and Lighting PWM Controller
The PIC18F6622-E/PT integrates 4 hardware CCP/PWM modules that generate up to 10-bit PWM at 40 MHz, sufficient to drive BLDC fans, LED dimmers, and small DC motor H-bridges without software bit-banging. The 54 GPIO handle direction and enable lines, while the 10-bit ADC samples shunt current for closed-loop control. The 64 KB flash fits sensorless BLDC startup algorithms, and the 4 KB RAM holds PID state. Engineers pair this part with gate drivers such as MCP8024 for three-phase BLDC; the -E temperature grade supports motor-mounted PCBs.
推荐
Large-Pin-Count Embedded Data Logger
The PIC18F6622-E/PT's 64 KB flash, 1 KB EEPROM, 54 GPIO, and 12-channel 10-bit ADC combine into a single-chip data logger for industrial and instrumentation applications. The EEPROM provides non-volatile parameter storage for calibration constants, while the flash stores logger firmware and Modbus RTU stacks. The 4 KB RAM buffers sample blocks before SD-card writes via SPI, and the 5 V tolerance simplifies interfacing with legacy analog front-ends. Compared with smaller PIC18F variants, the 6622 wins when the logger must sample 8-12 analog channels simultaneously at 10 ksps aggregate.
推荐
推荐产品汇总
工程参考数据： PIC18F6622-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC18F6622-I/PT | PIC18F6722-E/PT | PIC18F6621-E/PT | PIC18F6527-E/PT | PIC18F6627-E/PT | PIC18F6585-E/PT |
|---|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 128 KB | 32 KB | 48 KB | 96 KB | 48 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 3.5 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Max CPU Clock | 40 MHz (10 MIPS) | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| I/O Pins | 54 | 54 | 54 | 54 | 54 | 54 | 53 |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Supply 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 | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V |
关键差异点
- More flash than PIC18F6621 sibling （对比 PIC18F6621-E/PT)
- Extended industrial temperature vs industrial grade （对比 PIC18F6622-I/PT)
- Less flash but pin-compatible with PIC18F6722 （对比 PIC18F6722-E/PT)
设计说明
Decouple AVDD/AVSS with a 100 nF ceramic plus 10 uF tantalum placed within 10 mm of the analog pins, and tie VDD/VSS pairs with separate 100 nF ceramics for each pair on the 64-TQFP. The PIC18F6622-E/PT draws approximately 16 mA at 40 MHz with all peripherals enabled; nanoWatt XLP sleep modes drop this below 100 nA with RTC running, so use Sleep + RTCC for battery-backed duty-cycled designs.
Route the 40 MHz oscillator traces short (< 5 mm) and shield them with a ground pour. The 64-TQFP-10x10 package has a center thermal pad on some variants; if present, stitch the center pad to ground with 4 thermal vias to a 2 oz copper inner layer. Place the ICSP PGC/PGD pair on dedicated test points so production programming does not conflict with user circuitry.
When driving long cables from the EUSART (RS-485 or LIN), use a slow slew-rate configuration to limit EMI, and add a 100 ohm termination at the bus end. The 12-channel 10-bit ADC requires that analog input traces do not cross digital clock lines; if they must, cross at 90 degrees. Apply a 100 nF bypass per analog pin if the source impedance exceeds 2.5 kohm, per the PIC18F8722 family datasheet acquisition-time specification.
Do not omit the MCLR pull-up resistor (10 kohm typical to VDD); the device will not start reliably otherwise. Do not exceed 5.5 V on any I/O pin even when the part is unpowered (clamping diodes can latch up). For ICSP programming, ensure PGC and PGD are not heavily loaded (< 50 pF total capacitance) or programming will fail intermittently.
合规信息
Pb-free per Microchip product page. -E suffix denotes extended industrial -40C to +125C grade, not AEC-Q100 automotive qualification. For AEC-Q100 safety-critical automotive roles, choose the automotive-grade PIC18F6622-I/PT equivalent.
