PIC18F67K22T-I/MRRSL - 64MHz 8-bit MCU, 128KB Flash | Microchip
MPN: PIC18F67K22T-I/MRRSL ✓ Hoạt độngPIC18F67K22T-I/MRRSL Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC18F67K22T-I/MRRSL — 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 PIC18F67K22T-I/MRRSL (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, Package, Program Memory (Flash), Core Architecture.
PIC18F67K22T-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F67K22-I/MRRSL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F66K22T-I/MRRSL
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F65K22T-I/PTRSL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F67K22T-I/MRRSL Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 64-VQFN (9x9 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -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 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F67K22T-I/MRRSL
| Chân 1 | RB2 — PORTB bit 2 / I/O |
| Chân 2 | RB3 — PORTB bit 3 / I/O |
| Chân 3 | RB4 — PORTB bit 4 / I/O |
| Chân 4 | RB5 — PORTB bit 5 / I/O |
| Chân 5 | RB6 — PORTB bit 6 / I/O |
| Chân 6 | RB7 — PORTB bit 7 / I/O |
| Chân 7 | Vdd — Digital supply voltage |
| Chân 8 | Vss — Digital ground |
| Chân 9 | RC0 — PORTC bit 0 / I/O |
| Chân 10 | RC1 — PORTC bit 1 / I/O |
| Chân 11 | RC2 — PORTC bit 2 / I/O |
| Chân 12 | RC3 — PORTC bit 3 / I/O |
| Chân 13 | RC4 — PORTC bit 4 / I/O |
| Chân 14 | RC5 — PORTC bit 5 / I/O |
| Chân 15 | RC6 — PORTC bit 6 / I/O |
| Chân 16 | RC7 — PORTC bit 7 / I/O |
| Chân 17 | RD0 — PORTD bit 0 / I/O |
| Chân 18 | RD1 — PORTD bit 1 / I/O |
| Chân 19 | RD2 — PORTD bit 2 / I/O |
| Chân 20 | RD3 — PORTD bit 3 / I/O |
| Chân 21 | RD4 — PORTD bit 4 / I/O |
| Chân 22 | RD5 — PORTD bit 5 / I/O |
| Chân 23 | RD6 — PORTD bit 6 / I/O |
| Chân 24 | RD7 — PORTD bit 7 / I/O |
| Chân 25 | Vss — Digital ground |
| Chân 26 | Vdd — Digital supply voltage |
| Chân 27 | RE0 — PORTE bit 0 / I/O |
| Chân 28 | RE1 — PORTE bit 1 / I/O |
| Chân 29 | RE2 — PORTE bit 2 / I/O |
| Chân 30 | RE3 — PORTE bit 3 / I/O |
| Chân 31 | RE4 — PORTE bit 4 / I/O |
| Chân 32 | RE5 — PORTE bit 5 / I/O |
| Chân 33 | RE6 — PORTE bit 6 / I/O |
| Chân 34 | RE7 — PORTE bit 7 / I/O |
| Chân 35 | Vcap — Voltage regulator output bypass |
| Chân 36 | RA0 — PORTA bit 0 / I/O (AN0) |
| Chân 37 | RA1 — PORTA bit 1 / I/O (AN1) |
| Chân 38 | RA2 — PORTA bit 2 / I/O (AN2) |
| Chân 39 | RA3 — PORTA bit 3 / I/O (AN3) |
| Chân 40 | RA4 — PORTA bit 4 / I/O |
| Chân 41 | RA5 — PORTA bit 5 / I/O (AN4) |
| Chân 42 | Vss — Digital ground |
| Chân 43 | Vdd — Digital supply voltage |
| Chân 44 | OSC1 — Crystal oscillator input |
| Chân 45 | OSC2 — Crystal oscillator output |
| Chân 46 | MCLR — Master clear / reset input |
| Chân 47 | RF0 — PORTF bit 0 / I/O |
| Chân 48 | RF1 — PORTF bit 1 / I/O |
| Chân 49 | RF2 — PORTF bit 2 / I/O |
| Chân 50 | RF3 — PORTF bit 3 / I/O |
| Chân 51 | RF4 — PORTF bit 4 / I/O |
| Chân 52 | RF5 — PORTF bit 5 / I/O |
| Chân 53 | RF6 — PORTF bit 6 / I/O |
| Chân 54 | RF7 — PORTF bit 7 / I/O |
| Chân 55 | RG0 — PORTG bit 0 / I/O |
| Chân 56 | RG1 — PORTG bit 1 / I/O |
| Chân 57 | RG2 — PORTG bit 2 / I/O |
| Chân 58 | RG3 — PORTG bit 3 / I/O |
| Chân 59 | RG4 — PORTG bit 4 / I/O |
| Chân 60 | RG5 — PORTG bit 5 / I/O |
| Chân 61 | RG6 — PORTG bit 6 / I/O |
| Chân 62 | RG7 — PORTG bit 7 / I/O |
| Chân 63 | Vdd — Digital supply voltage |
| Chân 64 | Vss — Digital ground (EPAD) |
Ứng dụng tiêu biểu
PIC18F67K22T-I/MRRSL phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F67K22T-I/MRRSL — 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 | 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 |
Bảo phân biệt quan trọng
- Largest program memory in the PIC18F 6x K22 family (vsPIC18F66K22T-I/MRRSL)
- Industrial temperature grade and 12-bit ADC at 64 MHz (vsPIC18F65K22T-I/PTRSL)
- 64-VQFN 9x9 mm layout for high-density designs (vsPIC18F65K22T-I/PTRSL (TQFP))
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
