PIC18F6722T-I/PT - 8-bit 40MHz 128KB Flash MCU 64-TQFP
MPN: PIC18F6722T-I/PT ✓ Hoạt độngPIC18F6722T-I/PT Tóm tắt
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, EEPROM data storage, peripherals and I/O on one silicon die. Within Microchip's taxonomy, the PIC18F family sits between the mid-range PIC16F line and the high-performance dsPIC line, offering an 8-bit data path with 16-bit instructions and nanoWatt power-management modes. The PIC18F6722 belongs to the PIC18F8722 family, optimized for large low-power connectivity applications needing abundant RAM and multiple serial interfaces.
Key features of the PIC18F6722T-I/PT include 54 digital I/O pins, four serial ports (two synchronous supporting I2C and SPI, two asynchronous LIN-capable USARTs), a 10-bit ADC with up to 16 channels, nanoWatt technology for power-constrained designs, and supply voltage from 4.2 V to 5.5 V. The 64-pin TQFP package exposes a generous pin budget for graphics, motor, sensor and human-machine-interface front-ends, while 3,936 bytes of RAM enable sizeable communication buffers for stacks like TCP/IP or MODBUS without external memory.
Architecturally, the device uses Microchip's enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path, providing C-friendly operation while retaining deterministic interrupt latency. The nanoWatt feature set includes idle, sleep and deep-sleep modes with on-the-fly oscillator switching - critical for battery or energy-harvesting nodes. Internal ECC-less Flash and self-programmability simplify in-field firmware updates via bootloader or ICSP.
Typical applications include industrial sensor hubs with multiple serial sensor buses, building automation controllers using LIN or RS-485, low-power wireless gateways paired with transceivers such as MRF24J40 or RN4020, point-of-sale terminals, and white-goods user interfaces. The wide pin count also suits TFT-display and touch-panel front-ends, with the 10-bit ADC handling analog sensor readout in parallel with digital comms.
Design tip: route the ICSP/PGD/PGC pins carefully to keep them accessible for in-circuit programming, and place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair; the 64-pin TQFP exposes eight such pairs.
This page combines distributor pricing, drop-in compatible alternatives and practical design notes that are not available from the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC18F6722T-I/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 PIC18F6722T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core Architecture, ADC, I/O Pins.
PIC18F6722-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6722T-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6722-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6722T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF6722-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6720T-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6722T-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 8-bit enhanced Harvard |
| Family | PIC18F8722 Family |
| Program Memory Type | Flash |
| Program Memory Size | 128 KB (64K x 16) |
| RAM Size | 3,936 bytes |
| EEPROM Size | 1,024 bytes |
| Maximum CPU Speed | 40 MHz |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 10-bit, up to 16 channels |
| Serial Interfaces | 2x MSSP (I2C/SPI), 2x USART (LIN-capable) |
| Power-Saving Modes | nanoWatt (Idle / Sleep / Deep Sleep) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 64-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F6722T-I/PT
| Chân 1 | RC0 — Digital I/O / T1OSO / T1CKI |
| Chân 2 | RC1 — Digital I/O / T1OSI / CCP2 |
| Chân 3 | RC2 — Digital I/O / CCP1 |
| Chân 4 | RC3 — Digital I/O / SCL1 / SCK1 |
| Chân 5 | RC4 — Digital I/O / SDA1 / SDI1 |
| Chân 6 | RC5 — Digital I/O / SDO1 |
| Chân 7 | RC6 — Digital I/O / TX1 / CK1 |
| Chân 8 | RC7 — Digital I/O / RX1 / DT1 |
| Chân 9 | RD0 — Digital I/O / PSP0 |
| Chân 10 | RD1 — Digital I/O / PSP1 |
| Chân 11 | RD2 — Digital I/O / PSP2 |
| Chân 12 | RD3 — Digital I/O / PSP3 |
| Chân 13 | RD4 — Digital I/O / PSP4 |
| Chân 14 | RD5 — Digital I/O / PSP5 / SDO2 |
| Chân 15 | RD6 — Digital I/O / PSP6 / TX2 |
| Chân 16 | RD7 — Digital I/O / PSP7 / RX2 |
| Chân 17 | VSS — Ground reference |
| Chân 18 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 19 | RA0 — Digital I/O / AN0 |
| Chân 20 | RA1 — Digital I/O / AN1 |
| Chân 21 | RA2 — Digital I/O / AN2 / VREF- |
| Chân 22 | RA3 — Digital I/O / AN3 / VREF+ |
| Chân 23 | RA4 — Digital I/O / T0CKI |
| Chân 24 | RA5 — Digital I/O / AN4 / SS1 |
| Chân 25 | RA6 — Digital I/O / OSC2 / CLKO |
| Chân 26 | OSC1 — External clock input / RA7 |
| Chân 27 | RE0 — Digital I/O / RD |
| Chân 28 | RE1 — Digital I/O / WR |
| Chân 29 | RE2 — Digital I/O / CS |
| Chân 30 | RE3 — Digital I/O |
| Chân 31 | MCLR — Master Clear reset (active low) |
| Chân 32 | VSS — Ground reference |
| Chân 33 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 34 | RF0 — Digital I/O |
| Chân 35 | RF1 — Digital I/O / C2OUT |
| Chân 36 | RF2 — Digital I/O |
| Chân 37 | RF3 — Digital I/O |
| Chân 38 | RF4 — Digital I/O |
| Chân 39 | RF5 — Digital I/O / C1OUT |
| Chân 40 | RF6 — Digital I/O |
| Chân 41 | RF7 — Digital I/O / SS2 |
| Chân 42 | VSS — Ground reference |
| Chân 43 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 44 | RG0 — Digital I/O / CCP3 |
| Chân 45 | RG1 — Digital I/O / TX2 / CK2 |
| Chân 46 | RG2 — Digital I/O / RX2 / DT2 |
| Chân 47 | RG3 — Digital I/O / CCP4 |
| Chân 48 | RG4 — Digital I/O / SDA2 |
| Chân 49 | RG5 — Digital I/O / SCL2 |
| Chân 50 | RG6 — Digital I/O |
| Chân 51 | RG7 — Digital I/O |
| Chân 52 | RB0 — Digital I/O / INT0 / FLT0 |
| Chân 53 | RB1 — Digital I/O / INT1 |
| Chân 54 | RB2 — Digital I/O / INT2 |
| Chân 55 | RB3 — Digital I/O / INT3 / CCP2 |
| Chân 56 | RB4 — Digital I/O / KBI0 |
| Chân 57 | RB5 — Digital I/O / KBI1 / PGM |
| Chân 58 | RB6 — Digital I/O / KBI2 / PGC (ICSP clock) |
| Chân 59 | RB7 — Digital I/O / KBI3 / PGD (ICSP data) |
| Chân 60 | VSS — Ground reference |
| Chân 61 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 62 | RH0 — Digital I/O |
| Chân 63 | RH1 — Digital I/O |
| Chân 64 | RH2 — Digital I/O |
Ứng dụng tiêu biểu
PIC18F6722T-I/PT phù hợp cho 6 Áp dụngs: Industrial Sensor Hub / Multi-Protocol Gateway, Building Automation / HVAC Controller, Low-Power Wireless Sensor Node Base, Point-of-Sale Terminal / Kiosk Front-End, White Goods / Home Appliance Control Board, Automotive Sub-Module (Body Electronics).
Industrial Sensor Hub / Multi-Protocol Gateway
The PIC18F6722T-I/PT's dual MSSP (I2C/SPI) and dual LIN-capable USART make it ideal for industrial sensor hubs aggregating multiple field-bus sensors onto a single backhaul. Its 3,936 bytes of RAM buffers MODBUS RTU or TCP/IP frames without external memory, while the 54 I/O pins drive status LEDs, opto-isolated inputs and relay outputs directly. The 4.2-5.5 V supply integrates with 24 V industrial rails stepped down to 5 V, and the -40C to +85C industrial temperature rating handles factory-floor environments. NanoWatt idle/sleep modes drop the MCU into sub-microamp sleep between polled sensor reads, extending battery-backed RTC backup operation during mains outages.
Được đề xuất
Building Automation / HVAC Controller
The PIC18F6722T-I/PT provides the digital and analog I/O count needed for HVAC and building-automation controllers that drive triacs, read NTC thermistors, scan keypads and report over LIN or RS-485. Its 10-bit ADC with up to 16 channels handles multiple temperature, humidity and pressure sensors in parallel, while the dual LIN-capable USARTs interface to damper actuators and room-sensor sub-modules. The 128 KB Flash accommodates full BACnet or Modbus application stacks plus a bootloader for field firmware updates. NanoWatt sleep modes lower standby power to meet energy-star idle budgets, and the -40C to +85C range handles unconditioned mechanical-room environments.
Được đề xuất
Low-Power Wireless Sensor Node Base
Pairing the PIC18F6722T-I/PT with a Microchip MRF24J40 2.4 GHz transceiver or RN4020 BLE module creates a flexible wireless sensor node. The MCU's nanoWatt deep-sleep current keeps battery life in the multi-year range, waking only to take an ADC reading and transmit a packet. With 128 KB Flash, designers can implement MiWi, ZigBee or proprietary 802.15.4 stacks locally, and the 3,936 bytes of RAM accommodates 6LoWPAN fragmentation buffers. The 54 I/O pins let the same firmware drive a rich sensor board (SPI ADC, I2C accelerometer, GPIO interrupts) without multiplexing.
Được đề xuất
Point-of-Sale Terminal / Kiosk Front-End
The PIC18F6722T-I/PT powers compact POS terminals and self-service kiosks where its 54 I/O pins drive key matrices, status LEDs and a TFT display interface. The 128 KB Flash holds graphical UI assets and a USB stack, while 3,936 bytes of RAM buffer USB CDC/HID frames. Dual SPI lets the MCU simultaneously drive a TFT display controller and a contactless card reader SPI peripheral. The 10-bit ADC reads battery voltage, current sensing and tamper switches, and the industrial temperature grade supports outdoor kiosk enclosures exposed to direct sunlight.
Được đề xuất
White Goods / Home Appliance Control Board
Washing machines, dishwashers and induction cooktops use the PIC18F6722T-I/PT as their main user-interface and motor-control supervisor. The MCU drives triac-controlled loads (pumps, valves, heaters), reads NTC sensors and rotary encoders via the 10-bit ADC, and communicates with the motor inverter over LIN or UART. The 128 KB Flash fits a full state-machine appliance firmware plus diagnostic logs in EEPROM, while nanoWatt sleep keeps standby power well below 0.5 W to meet EU eco-design directives.
Được đề xuất
Automotive Sub-Module (Body Electronics)
The PIC18F6722T-I/PT is well suited for non-safety automotive sub-modules such as seat controllers, mirror adjusters, interior lighting and HVAC panels. Both USARTs support LIN 1.3/2.0, the dominant body-electronics bus, and the 54 I/O pins drive LED matrices and H-bridges directly. For full AEC-Q100 compliance, designers should pair this part with a co-MCU that carries the Q100 grade, since the industrial-grade PIC18F6722T-I/PT itself is qualified only to -40C to +85C. The 128 KB Flash supports OEM diagnostic routines and factory calibration data.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F6722T-I/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 | PIC18F6722-I/PT | PIC18F6722T-E/PT | PIC18F6722-E/PT | PIC18LF6722T-I/PT | PIC18LF6722-I/PT | PIC18F6720T-E/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| RAM | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,936 bytes |
| EEPROM | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes |
| Maximum CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 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 | 2.0 V to 5.5 V (lower-voltage variant) | 2.0 V to 5.5 V (lower-voltage variant) | 4.2 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel |
Bảo phân biệt quan trọng
- Full 128 KB Flash - 2x that of PIC18F6720 (vsPIC18F6720T-E/PT)
- Industrial temperature grade matched to factory automation (vsPIC18F6722T-E/PT)
- Dual LIN-capable USARTs for body-electronics (vsPIC18LF6722T-I/PT)
- Tape-and-reel packaging for high-volume SMT lines (vsPIC18F6722-I/PT (tray))
Ghi chú thiết kế
The PIC18F6722T-I/PT requires four VDD/VSS pairs (pins 18, 33, 43, 61 for VDD and pins 17, 32, 42, 60 for VSS). Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD pin and a shared 10 uF bulk capacitor near the IC. Estimate: at 40 MHz and full peripheral activity, core current is approximately 16 mA; a poorly decoupled supply can cause oscillator jitter and ADC noise. For battery-backed designs, drive the MCLR pin with a 10 kohm pull-up and add a diode from VDD to the backup battery for RTC retention.
Route the ICSP/PGD (pin 59) and PGC (pin 58) signals to a 0.1 inch header or test pad and keep them at least 3 mm away from switching converters or motor drive traces. The 64-pin TQFP land pattern should follow IPC-7351 nominal (0.5 mm pitch, 0.30 mm pad width, 1.50 mm pad length). Tie unused I/O pins to either VDD or VSS via 10 kohm resistors to minimize supply current and avoid floating CMOS inputs.
Do NOT assume the PIC18F6722T-I/PT operates at 3.3 V - this is a 5 V part and will be damaged at lower rails. For 3.3 V designs, use PIC18LF6722T-I/PT instead. Estimate: the LF variant operates from 2.0 V to 5.5 V and shares the same TQFP-64 pinout. A common design pitfall is leaving PGM (pin 57) floating during LVP - either drive it high or disable Low-Voltage Programming in CONFIG4L to prevent unintended code corruption.
For SPI bus runs longer than 50 mm, add a 100 ohm series-termination resistor near the MCU driver to dampen ringing. The two MSSP modules can each run up to 10 MHz in SPI master mode, but capacitive loading on the SCL/SDA pins for I2C should be kept below 400 pF total - use a buffer or smaller I2C segments if more devices are required. Place a 4.7 kohm pull-up on SCL/SDA for standard-mode I2C or 3.3 kohm for fast-mode.
Thông tin tuân thủ
Industrial temperature grade -40C to +85C; not AEC-Q100 qualified. RoHS compliant per Microchip product page. Lead-free finish per Microchip packaging specifications.
