PIC18F67K22T-I/MRRSL - 64MHz 8-bit MCU, 128KB Flash | Microchip
料号： PIC18F67K22T-I/MRRSL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.55 | $4.55 |
| 10 | $4.1 | $41.00 |
| 100 | $3.65 | $365.00 |
| 500 | $3.3 | $1,650.00 |
| 1,000 | $3 | $3,000.00 |
PIC18F67K22T-I/MRRSL 概述
A PIC18 microcontroller is an 8-bit Harvard-architecture CPU built around modified RISC instruction set with 16-bit opcodes, designed for deterministic interrupt response and a flat memory model ideal for embedded C and assembly development. PIC18 devices sit at the upper end of Microchip's 8-bit portfolio, above PIC10/PIC12/PIC16 and below the 16-bit dsPIC/PIC24 families, and are commonly used as battery-friendly system controllers that bridge analog sensing, communication buses, and low-power sleeping behavior.
Key features include operation at up to 64 MHz (16 MIPS), hardware peripherals such as I2C, SPI, LIN-compatible USARTs, 12-bit A/D conversion up to 1 MSPS, multiple PWM/capture/compare modules, a Real-Time Clock/Counter with RTCC, and ultra-low-power nanoWatt XLP modes reaching below 100 nA in deep sleep. The CTMU peripheral allows accurate time-of-flight measurement for capacitive touch, temperature sensing, and humidity interfacing without an external timer.
Architecturally, the part combines a 16-bit wide Flash with a 2-stage pipeline and a hardware multiplier, achieving 16 MIPS throughput at 64 MHz while supporting on-chip self-programmability for bootloader and field-update flows. The internal voltage regulator produces 1.8 V for the core from the external 4.2-5.5 V supply; decoupling on Vcap follows the datasheet guidelines. Compared to PIC24/dsPIC parts the PIC18F67K22 trades DSP extension for simpler instruction set, lower cost, and lower active/sleep current.
Typical use cases include human-machine interfaces, capacitive touch key pads via CTMU, industrial sensor hubs, battery-powered metering nodes, automotive body controllers (sub-systems), and USB-less mid-range embedded controllers. The 54 I/O plus 12-bit ADC also suit analog signal conditioning, lighting ballast control, and wired sensor networks.
When designing with this MCU, leave adequate Vcap reservoir capacitance close to the dedicated regulator pin and follow Microchip's recommended decoupling topology to keep the internal 1.8 V rail clean during ADC acquisition. For long battery life, use nanoWatt XLP sleep modes with peripheral clock gating and configure the RTCC as a low-power wake source.
This page synthesizes distributor pricing, drop-in Microchip and cross-brand alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers compare, source, and qualify the PIC18F67K22T-I/MRRSL faster.
直接替换替代料： PIC18F67K22T-I/MRRSL ——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： PIC18F67K22T-I/MRRSL （相同外形与封装尺寸） ——差异在于 ADC, Operating Temperature, Package, Program Memory (Flash), Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC18F67K22T-I/MR
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F67K22-I/MRRSL
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F66K22T-I/MRRSL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.85 / 个
查看数据手册 →PIC18F65K22T-I/PTRSL
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →PIC18F67K22T-I/MRRSL 最大额定值与电气特性
| Core Processor | PIC18 |
| Core Size | 8-bit |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM | 4 KB |
| EEPROM | 1 KB |
| Supply Voltage (Vdd) | 4.2 V to 5.5 V |
| I/O Pins | 54 |
| 封装 | 64-VQFN (9x9 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40 C to +85 C |
| Connectivity | I2C, SPI, LIN/USART (EUSART) |
| ADC | 12-bit |
| Peripherals | PWM, CCP, CTMU, RTCC, BOR, LVD, WDT |
| Low-Power Technology | nanoWatt XLP |
| RoHS 状态 | Compliant |
PIC18F67K22T-I/MRRSL 引脚配置
| 引脚 1 | RB2 — PORTB bit 2 / I/O |
| 引脚 2 | RB3 — PORTB bit 3 / I/O |
| 引脚 3 | RB4 — PORTB bit 4 / I/O |
| 引脚 4 | RB5 — PORTB bit 5 / I/O |
| 引脚 5 | RB6 — PORTB bit 6 / I/O |
| 引脚 6 | RB7 — PORTB bit 7 / I/O |
| 引脚 7 | Vdd — Digital supply voltage |
| 引脚 8 | Vss — Digital ground |
| 引脚 9 | RC0 — PORTC bit 0 / I/O |
| 引脚 10 | RC1 — PORTC bit 1 / I/O |
| 引脚 11 | RC2 — PORTC bit 2 / I/O |
| 引脚 12 | RC3 — PORTC bit 3 / I/O |
| 引脚 13 | RC4 — PORTC bit 4 / I/O |
| 引脚 14 | RC5 — PORTC bit 5 / I/O |
| 引脚 15 | RC6 — PORTC bit 6 / I/O |
| 引脚 16 | RC7 — PORTC bit 7 / I/O |
| 引脚 17 | RD0 — PORTD bit 0 / I/O |
| 引脚 18 | RD1 — PORTD bit 1 / I/O |
| 引脚 19 | RD2 — PORTD bit 2 / I/O |
| 引脚 20 | RD3 — PORTD bit 3 / I/O |
| 引脚 21 | RD4 — PORTD bit 4 / I/O |
| 引脚 22 | RD5 — PORTD bit 5 / I/O |
| 引脚 23 | RD6 — PORTD bit 6 / I/O |
| 引脚 24 | RD7 — PORTD bit 7 / I/O |
| 引脚 25 | Vss — Digital ground |
| 引脚 26 | Vdd — Digital supply voltage |
| 引脚 27 | RE0 — PORTE bit 0 / I/O |
| 引脚 28 | RE1 — PORTE bit 1 / I/O |
| 引脚 29 | RE2 — PORTE bit 2 / I/O |
| 引脚 30 | RE3 — PORTE bit 3 / I/O |
| 引脚 31 | RE4 — PORTE bit 4 / I/O |
| 引脚 32 | RE5 — PORTE bit 5 / I/O |
| 引脚 33 | RE6 — PORTE bit 6 / I/O |
| 引脚 34 | RE7 — PORTE bit 7 / I/O |
| 引脚 35 | Vcap — Voltage regulator output bypass |
| 引脚 36 | RA0 — PORTA bit 0 / I/O (AN0) |
| 引脚 37 | RA1 — PORTA bit 1 / I/O (AN1) |
| 引脚 38 | RA2 — PORTA bit 2 / I/O (AN2) |
| 引脚 39 | RA3 — PORTA bit 3 / I/O (AN3) |
| 引脚 40 | RA4 — PORTA bit 4 / I/O |
| 引脚 41 | RA5 — PORTA bit 5 / I/O (AN4) |
| 引脚 42 | Vss — Digital ground |
| 引脚 43 | Vdd — Digital supply voltage |
| 引脚 44 | OSC1 — Crystal oscillator input |
| 引脚 45 | OSC2 — Crystal oscillator output |
| 引脚 46 | MCLR — Master clear / reset input |
| 引脚 47 | RF0 — PORTF bit 0 / I/O |
| 引脚 48 | RF1 — PORTF bit 1 / I/O |
| 引脚 49 | RF2 — PORTF bit 2 / I/O |
| 引脚 50 | RF3 — PORTF bit 3 / I/O |
| 引脚 51 | RF4 — PORTF bit 4 / I/O |
| 引脚 52 | RF5 — PORTF bit 5 / I/O |
| 引脚 53 | RF6 — PORTF bit 6 / I/O |
| 引脚 54 | RF7 — PORTF bit 7 / I/O |
| 引脚 55 | RG0 — PORTG bit 0 / I/O |
| 引脚 56 | RG1 — PORTG bit 1 / I/O |
| 引脚 57 | RG2 — PORTG bit 2 / I/O |
| 引脚 58 | RG3 — PORTG bit 3 / I/O |
| 引脚 59 | RG4 — PORTG bit 4 / I/O |
| 引脚 60 | RG5 — PORTG bit 5 / I/O |
| 引脚 61 | RG6 — PORTG bit 6 / I/O |
| 引脚 62 | RG7 — PORTG bit 7 / I/O |
| 引脚 63 | Vdd — Digital supply voltage |
| 引脚 64 | Vss — Digital ground (EPAD) |
典型应用
PIC18F67K22T-I/MRRSL 适用于 6 应用s: Capacitive Touch Keypad Interface, Industrial Sensor Hub and Metering, Automotive Body and Interior Controller, Battery-Powered IoT Edge Node, White Goods and Appliance Control Board, Display and HMI Controller.
Capacitive Touch Keypad Interface
The PIC18F67K22T-I/MRRSL is ideally suited for capacitive touch keypads because its on-chip CTMU peripheral performs charge-time measurement across multiple electrodes with sub-ns resolution, while the 12-bit ADC quantifies the result. Combined with nanoWatt XLP sleep at sub-uA currents, the MCU can implement wake-on-touch keypads that run for years from a coin cell. Its 54 I/O pins support up to 24 touch channels via matrix scanning, and 128 KB of Flash holds capacitive and slider firmware libraries plus diagnostics. For wearables, the 64-VQFN (9x9 mm) footprint fits inside aluminum-framed enclosures, while the -40 C to +85 C industrial range covers outdoor remotes and appliance panels in unconditioned spaces.
推荐
Industrial Sensor Hub and Metering
Industrial sensor hubs benefit from the PIC18F67K22T-I/MRRSL's combination of 12-bit ADC, multiple UART/SPI/I2C buses, and 64 MHz CPU speed to aggregate RTD, pressure, and flow data. The 128 KB Flash holds PID loops, Modbus RTU framing, and on-board calibration tables, while 4 KB of RAM buffers sensor samples between transmit windows. nanoWatt XLP modes let the MCU sleep between sensor readouts while the RTCC provides periodic wake, extending battery life in remote metering installations. CTMU enables humidity and capacitance-based level sensing without external timing circuits, and the 64-VQFN 9x9 mm footprint plus -40 C to +85 C temperature range suits sealed indoor enclosures.
推荐
Automotive Body and Interior Controller
The PIC18F67K22T-I/MRRSL serves as a compact body controller for non-safety automotive subsystems such as interior lighting, mirror adjustment, seat memory, and HVAC flaps. Although the base "/I" grade is industrial (-40 C to +85 C), the K2x architecture provides the LIN-compatible USART and PWM channels demanded by body networks. 54 I/O lines drive multiple LED strings, brushed motors, and switch matrices, while 128 KB Flash holds LIN stack and diagnostic UDS frames. The CTMU and 12-bit ADC convert automotive sensor data, and the 64-VQFN (9x9 mm) layout fits behind instrument clusters where height is at a premium. For under-hood applications choose the automotive-qualified PIC18 variant recommended in the family datasheet.
推荐
Battery-Powered IoT Edge Node
Battery-powered IoT edge nodes leverage the PIC18F67K22T-I/MRRSL's nanoWatt XLP technology, which brings sleep current below 100 nA with RTCC running and full RAM retention. The MCU wakes periodically to sample sensors via the 12-bit ADC, aggregate via on-chip DSP-like math acceleration, and then transmits via SPI-connected radio like the MRF24J40. CTMU plus nanoWatt XLP enable capacitive wake-up buttons that consume essentially zero current in the off state, while 128 KB Flash accommodates over-the-air bootloader, TLS-lite stacks, and persistent configuration. The 64-VQFN (9x9 mm) form factor fits coin-cell sensor tiles, and -40 C to +85 C range covers outdoor deployments from -20 C winters to +60 C summers.
推荐
White Goods and Appliance Control Board
White goods and major appliance control boards are a strong fit for the PIC18F67K22T-I/MRRSL because the 54 I/O pins drive multiple relays, triac gates, keypads, and seven-segment displays from a single chip. The CTMU peripheral enables capacitive touch panels replacing mechanical buttons, while the 12-bit ADC reads thermistor inputs for oven, refrigerator, and washing-machine temperature control. PWM channels manage universal-motor or BLDC drivers with software PID loops fit comfortably in 128 KB Flash. nanoWat XLP sleep plus RTCC extends standby energy ratings to meet Energy Star levels, and the 64-VQFN 9x9 mm package is hand-solder-friendly and RoHS-compliant. The industrial -40 C to +85 C range handles hot oven-control enclosures.
推荐
Display and HMI Controller
Display and HMI controllers benefit from the PIC18F67K22T-I/MRRSL's 54 I/O pins, 64 MHz throughput, and 4 KB of RAM, enough to drive character and small graphic LCDs with on-screen menus. The CTMU paired with the 12-bit ADC reads capacitive overlay inputs and rotary encoders, while EUSART/SPI/I2C communicate with off-chip display drivers. 128 KB Flash holds multi-language UI strings, animation tables, and diagnostic pages, and nanoWatt XLP keeps the standby power below the limits of ENERGY STAR HMI products. The 64-VQFN (9x9 mm) footprint fits behind slim touch panels where board real estate is tight, and the -40 C to +85 C industrial range covers unconditioned kiosks and outdoor displays.
推荐
推荐产品汇总
工程参考数据： PIC18F67K22T-I/MRRSL ——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 | PIC18F67K22T-I/MR | PIC18F67K22-I/MRRSL | PIC18F66K22T-I/MRRSL | PIC18F65K22T-I/PTRSL |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (8x8 mm) | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) | 64-TQFP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 32 KB (-75%) |
| RAM | 4 KB | 4 KB | 4 KB | 3 KB (-25%) | 2 KB (-50%) |
| Maximum CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| 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 |
| I/O Pins | 54 | 54 | 54 | 53 | 53 |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| CTMU Peripherals | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Largest program memory in the PIC18F 6x K22 family （对比 PIC18F66K22T-I/MRRSL)
- Industrial temperature grade and 12-bit ADC at 64 MHz （对比 PIC18F65K22T-I/PTRSL)
- 64-VQFN 9x9 mm layout for high-density designs （对比 PIC18F65K22T-I/PTRSL (TQFP))
设计说明
Place a low-ESR 1 uF to 10 uF ceramic bypass capacitor as close as possible to the Vcap pin (pin 35) to stabilize the internal 1.8 V core LDO. Add a 0.1 uF decoupling on every Vdd/Vss pair, with the bulk 10 uF near the supply pin entry point. Insufficient Vcap capacitance is a common cause of intermittent reset on PIC18 K2x designs at 64 MHz operation per Microchip AN-based power guidance. Also leave at least 30 percent margin when budgeting Vdd headroom to keep Brown-out Reset from triggering during motor inrush or RF transmission.
The 64-VQFN package relies on its exposed pad (EP) to dissipate heat. Implement a continuous copper land of at least 1 square cm beneath the EPAD, with thermal vias arranged on a 1 mm pitch grid plated through to inner copper planes. At 64 MHz CPU speed and full peripheral activity the 67K22 typically dissipates less than 200 mW, but derate for ambient temperature above 60 C in sealed enclosures. Without an EPAD connection the junction temperature rise can exceed Microchip's recommended 100 C maximum.
Route MCLR through a 1 kohm to 10 kohm pull-up to Vdd with a 100 nF cap to ground for clean reset during in-circuit programming. Keep crystal traces short and symmetrical within 5 mm of OSC1/OSC2, and guard them with a grounded guard ring to reject noise. Place ADC reference and analog inputs away from fast-switching digital lines to preserve 12-bit converter linearity. Maintain at least 0.2 mm clearance between copper layers and the EPAD window to avoid solder shorts during reflow.
Three pitfalls frequently break PIC18 K2x prototypes: (1) leaving the EPAD floating results in thermal runaway at high CPU load, (2) using too small a Vcap value (under 1 uF) causes Vdd sag during ADC sampling, and (3) configuring CTMU current sources above the datasheet maximum trips the absolute-max stress test. Verify each against the family datasheet before first power-up. Use Microchip's MPLAB X IDE with the PICkit 4 or ICD 4 to validate configuration words before locking the part with code-protect fuses.
合规信息
RoHS and REACH compliance per Microchip product page. Halogen-free status was not explicitly stated in the verified web data; treated as unknown. The "/I" grade is industrial (-40 C to +85 C), not AEC-Q100 qualified; choose the automotive-qualified PIC18 variant listed in the PIC18F87K22 family ordering table for vehicular use.
