PIC18F8722-I/PT - 8-bit MCU, 40MHz, 128KB Flash, 80-TQFP | Microchip
MPN: PIC18F8722-I/PT ✓ Hoạt độngPIC18F8722-I/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that processes data 8 bits at a time using a CISC architecture inherited from the original Harvard-bus microcontrollers. Within the semiconductor taxonomy, the PIC18F8722 belongs to the 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device hierarchy. The PIC18F family sits above PIC16 and below PIC24/dsPIC in Microchip's 8-bit performance stack, offering more peripherals, memory and MIPS than PIC16 while keeping the same instruction set architecture (ISA) and toolchain. The 'F' suffix indicates flash program memory, allowing in-circuit reprogramming for field updates.
Key differentiating features of the PIC18F8722 include nanoWatt power management (multiple idle/sleep modes, low-power Timer1 oscillator, and software-controlled peripheral shutdown), 70 I/O pins (one of the highest counts in the PIC18F8722 family), four serial communication interfaces (2x MSSP + 2x EUSART), and a Parallel Slave Port for external bus interfacing. The wide memory and I/O complement makes this MCU well suited to gateways, large HMI panels, instrumentation and motor-control front-ends that need more code and bus bandwidth than smaller PIC18 devices can deliver.
Architecturally, the PIC18F8722 uses a 16-bit instruction word with an 8-bit data path, an 8x8 hardware multiplier, and a 31-level hardware stack, delivering 10 MIPS at 40 MHz. The flash program memory is rated for >100K erase/write cycles, and the EEPROM supports >1M cycles. The 'I' suffix denotes the industrial temperature grade of -40C to +85C, while the '/PT' suffix identifies the 80-pin TQFP package.
Typical applications include industrial automation controllers, automotive body and gateway modules (LIN bus), building automation touch panels, large graphical LCD HMI, instrumentation with parallel-port data acquisition, USB/ethernet bridges with external PHY, and motor-control peripherals (BLDC, stepper, PFC) using the ECCP module. The device is also widely used in migration designs from older 80-pin PIC18F members.
When designing with the PIC18F8722, ensure decoupling capacitors are placed close to VDD/VSS pins and that the MCLR reset circuit uses the recommended 10k pull-up plus decoupling. The 80-pin TQFP package requires 12x12 mm PCB land pattern with thermal pad; reflow profile should follow JEDEC J-STD-020 for the -I industrial grade.
This page synthesizes verified distributor pricing, drop-in alternative cross-references and practical design notes that are not aggregated on any single manufacturer page.
Bộ thay thế dễ dàng lắp đặt cho PIC18F8722-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 PIC18F8722-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core Architecture, Program Memory (Flash), Core.
PIC18F8722-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F8722T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F8722T-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8722-I/PTCVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F8723-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F67K22-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F8722-I/PT Tỷ lệ tối đa & tính chất điện
| Device Family | PIC18F8722 |
| Core | 8-bit PIC |
| Architecture | Harvard, RISC, 16-bit instruction word |
| Maximum CPU Frequency | 40 MHz |
| MIPS | 10 MIPS |
| Program Memory Type | Enhanced Flash |
| Program Memory Size | 128 KB (64K x 16) |
| Data RAM | 4 KB |
| Data EEPROM | 1 KB |
| I/O Pins | 70 |
| ADC | 10-bit, up to 16 channels |
| Serial Interfaces | 2x MSSP (I2C/SPI), 2x EUSART (LIN-capable) |
| CCP/ECCP Modules | 2 CCP / 1 ECCP |
| Parallel Slave Port | Yes |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Hộp | 80-pin TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 |
Cấu hình chân PIC18F8722-I/PT
| Chân 1 | RC0 — I/O port C bit 0 / T1OSO/T1CKI |
| Chân 2 | RC1 — I/O port C bit 1 / CCP2 |
| Chân 3 | RC2 — I/O port C bit 2 / CCP1 / P1A |
| Chân 4 | RC3 — I/O port C bit 3 / SCL1/SCK1 |
| Chân 5 | RC4 — I/O port C bit 4 / SDA1/SDI1 |
| Chân 6 | RC5 — I/O port C bit 5 / SDO1 |
| Chân 7 | RC6 — I/O port C bit 6 / TX2/CK2 |
| Chân 8 | RC7 — I/O port C bit 7 / RX2/DT2 |
| Chân 9 | RD0 — I/O port D bit 0 / PSP0 |
| Chân 10 | RD1 — I/O port D bit 1 / PSP1 |
| Chân 11 | RD2 — I/O port D bit 2 / PSP2 |
| Chân 12 | RD3 — I/O port D bit 3 / PSP3 |
| Chân 13 | RD4 — I/O port D bit 4 / PSP4 |
| Chân 14 | RD5 — I/O port D bit 5 / PSP5 / P1D |
| Chân 15 | RD6 — I/O port D bit 6 / PSP6 / P1C |
| Chân 16 | RD7 — I/O port D bit 7 / PSP7 / P1B |
| Chân 17 | VSS — Ground reference |
| Chân 18 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 19 | RE0 — I/O port E bit 0 / RD/AN5 |
| Chân 20 | RE1 — I/O port E bit 1 / WR/AN6 |
| Chân 21 | RE2 — I/O port E bit 2 / CS/AN7 |
| Chân 23 | RA0 — I/O port A bit 0 / AN0 |
| Chân 24 | RA1 — I/O port A bit 1 / AN1 |
| Chân 25 | RA2 — I/O port A bit 2 / AN2 / VREF- |
| Chân 26 | RA3 — I/O port A bit 3 / AN3 / VREF+ |
| Chân 27 | RA4 — I/O port A bit 4 / T0CKI |
| Chân 28 | RA5 — I/O port A bit 5 / AN4 / SS1 |
| Chân 29 | RA6 — I/O port A bit 6 / OSC2 / CLKO |
| Chân 30 | OSC1 — Oscillator input / CLKI / RA7 |
| Chân 31 | RA7 — I/O port A bit 7 / OSC1 |
| Chân 32 | RB0 — I/O port B bit 0 / INT0 / FLT0 |
| Chân 33 | RB1 — I/O port B bit 1 / INT1 |
| Chân 34 | RB2 — I/O port B bit 2 / INT2 / CCP3 |
| Chân 35 | RB3 — I/O port B bit 3 / INT3 / CCP4 |
| Chân 36 | RB4 — I/O port B bit 4 / KBI0 |
| Chân 37 | RB5 — I/O port B bit 5 / KBI1 / PGM |
| Chân 38 | RB6 — I/O port B bit 6 / KBI2 / PGC |
| Chân 39 | RB7 — I/O port B bit 7 / KBI3 / PGD |
| Chân 40 | VSS — Ground reference |
| Chân 41 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 58 | RF0 — I/O port F bit 0 / AN8 |
| Chân 59 | RF1 — I/O port F bit 1 / AN9 / C2OUT |
| Chân 60 | RF2 — I/O port F bit 2 / AN10 / C1OUT |
| Chân 61 | RF3 — I/O port F bit 3 / AN11 |
| Chân 62 | RF4 — I/O port F bit 4 / AN12 |
| Chân 63 | RF5 — I/O port F bit 5 / AN13 |
| Chân 64 | RF6 — I/O port F bit 6 / AN14 |
| Chân 65 | RF7 — I/O port F bit 7 / AN15 |
| Chân 66 | RG0 — I/O port G bit 0 / ECCP3 / P3A |
| Chân 67 | RG1 — I/O port G bit 1 / TX3 / CK3 |
| Chân 68 | RG2 — I/O port G bit 2 / RX3 / DT3 |
| Chân 69 | RG3 — I/O port G bit 3 / CCP5 |
| Chân 70 | RG4 — I/O port G bit 4 / CCP6 / T7CKI |
| Chân 71 | AVSS — Analog ground |
| Chân 72 | AVDD — Analog supply (4.2 V to 5.5 V) |
| Chân 77 | RH0 — I/O port H bit 0 / A16 |
| Chân 78 | RH1 — I/O port H bit 1 / A17 |
| Chân 79 | RH2 — I/O port H bit 2 / A18 |
| Chân 80 | RH3 — I/O port H bit 3 / A19 |
| Chân 22 | MCLR — Master Clear reset input (active low) |
| Chân 42 | RJ0 — I/O port J bit 0 |
| Chân 43 | RJ1 — I/O port J bit 1 |
| Chân 44 | RJ2 — I/O port J bit 2 |
| Chân 45 | RJ3 — I/O port J bit 3 |
| Chân 46 | RJ4 — I/O port J bit 4 |
| Chân 47 | RJ5 — I/O port J bit 5 |
| Chân 48 | RJ6 — I/O port J bit 6 |
| Chân 49 | RJ7 — I/O port J bit 7 |
| Chân 50 | RK0 — I/O port K bit 0 / P3D |
| Chân 51 | RK1 — I/O port K bit 1 / P3C |
| Chân 52 | RK2 — I/O port K bit 2 / P3B |
| Chân 53 | RK3 — I/O port K bit 3 / P3A |
| Chân 54 | RK4 — I/O port K bit 4 |
| Chân 55 | RK5 — I/O port K bit 5 |
| Chân 56 | RK6 — I/O port K bit 6 |
| Chân 57 | RK7 — I/O port K bit 7 |
| Chân 73 | RH4 — I/O port H bit 4 |
| Chân 74 | RH5 — I/O port H bit 5 |
| Chân 75 | RH6 — I/O port H bit 6 |
| Chân 76 | RH7 — I/O port H bit 7 |
Ứng dụng tiêu biểu
PIC18F8722-I/PT phù hợp cho 6 Áp dụngs: Industrial Automation Controllers, Automotive LIN Gateway Modules, Building Automation HMI Panels, Test & Measurement Instrumentation, Motor Control Front-Ends (BLDC/Stepper), Power & Energy Sub-Metering.
Industrial Automation Controllers
The PIC18F8722-I/PT is well suited to industrial automation controllers thanks to its 70 I/O pins, four serial ports and 128 KB flash that comfortably holds large state-machine firmware plus Modbus RTU stacks. The two USARTs handle RS-485 multi-drop fieldbus and the two MSSPs drive I2C sensor hubs or SPI ADC front-ends simultaneously. NanoWatt sleep modes (down to <1 uA with RTCC running) let battery-backed PLCs survive brown-outs, and the -I grade -40 C to +85 C covers cabinet environments. Place 100 nF decoupling on every VDD/VSS pair, route the 40 MHz oscillator traces with a ground guard, and use the parallel slave port to attach a color TFT without an external bus expander.
Được đề xuất
Automotive LIN Gateway Modules
The PIC18F8722-I/PT's LIN-capable EUSARTs make it a practical LIN bus gateway for body-electronics clusters where the PIC18F8722 routes messages between LIN subnets and a CAN or RS-485 backbone. The 128 KB flash holds a full LIN 2.x slave/master stack plus diagnostics, while 4 KB RAM buffers concurrent frames without dropping data. Although the -I grade covers -40 to +85 C, automotive under-hood designs should migrate to the PIC18F8722-E/PT (125 C) - same die, same TQFP footprint. Always add ESD protection (e.g., NUD3124DMT1G) on the LIN bus pins and use the ECCP module for motor/PWM loads.
Được đề xuất
Building Automation HMI Panels
The PIC18F8722-I/PT powers large building-automation HMI panels with TFT touch displays by using the parallel slave port for 8/16-bit bus interfacing to a graphics controller or direct LCD, while 70 I/O scan switch/keypad matrices. The 128 KB flash stores localized UI strings (multi-language) and 4 KB RAM holds current screen buffers. Two I2C MSSPs connect to environmental sensors (temp, humidity, CO2) while SPI drives an external ethernet or Wi-Fi module. Plan the PCB for a 12x12 mm land pattern with thermal vias under the exposed pad, and use the nanoWatt Timer1 oscillator for RTC backup to keep time during blackout events.
Được đề xuất
Test & Measurement Instrumentation
For bench-top and field instrumentation, the PIC18F8722-I/PT integrates a 10-bit ADC with up to 16 channels that can digitize sensor arrays at >100 ksps aggregate, while the parallel slave port offloads raw samples to an external FPGA or USB FIFO. The four serial interfaces stream results over USB CDC (via MCP2210), RS-485, and SPI simultaneously. 128 KB flash holds calibration tables and DSP filter coefficients, and the ECCP module drives PWM excitation sources for strain-gauge or LVDT sensors. Use the watchdog timer and a 32.768 kHz crystal on Timer1 for reliable field deployments and add a hardware brown-out reset for unstable supplies.
Được đề xuất
Motor Control Front-Ends (BLDC/Stepper)
The PIC18F8722-I/PT's ECCP module delivers complementary PWM with programmable dead-band, ideal for low-voltage BLDC and stepper motor drives up to 40 MHz instruction rate. With 128 KB flash a full FOC algorithm plus PI controllers can be hosted in firmware, while 4 KB RAM holds Park/Clarke transform buffers. The two EUSARTs support LIN or RS-485 command links and the MSSPs drive SPI encoders. The 80-pin TQFP provides enough I/O for 3-phase gate drivers, current-sense amplifiers and fault inputs. For 125 C automotive environments, upgrade to PIC18F8722-E/PT without changing the PCB.
Được đề xuất
Power & Energy Sub-Metering
The PIC18F8722-I/PT is a strong fit for multi-channel energy sub-metering: 16 ADC channels handle simultaneous voltage and current CTs, while the 10 MIPS core computes RMS, real power and power factor in real time. The 128 KB flash stores calibration and tariff schedules, and the four serial ports feed data to concentrators via RS-485, M-Bus, or wireless modules on SPI. NanoWatt modes extend battery life during blackouts while the ECCP can drive a buzzer or alarm LED. Migrate to the PIC18F8722-E/PT for outdoor enclosures exceeding 85 C, both share the identical 80-TQFP footprint.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F8722-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 | PIC18F8722-E/PT | PIC18F8722T-I/PT | PIC18F8722T-E/PT | PIC18F8722-I/PTCVAO | PIC18F8723-I/PT | PIC18F67K22-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (12x12 mm) | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 64-pin TQFP (10x10 mm) - different |
| Program Flash | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 192 KB | 128 KB |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Max Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 64 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 | 53 |
| ADC | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels |
| Serial Ports | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART |
Bảo phân biệt quan trọng
- Largest flash density in the PIC18F8722 family (vsPIC18F8723-I/PT)
- Highest I/O count in the PIC18F 5 V family (vsPIC18F67K22-I/PT)
- Drop-in industrial-temperature compatibility (vsPIC18F8722-E/PT)
Ghi chú thiết kế
The PIC18F8722-I/PT requires a stable 4.2 V to 5.5 V supply. Place a 100 nF decoupling capacitor within 5 mm of every VDD pin (there are multiple VDD/AVDD pairs on the 80-TQFP) and a bulk 10 uF tantalum or ceramic on the main rail. The analog supply AVDD must be tied to VDD through a ferrite bead with its own 100 nF + 10 uF decoupling to keep ADC noise below 1 LSB. Use a hardware brown-out reset (BOR) configuration in the configuration words to protect flash during supply droops, especially on long-bus industrial installations.
At 40 MHz the PIC18F8722-I/PT typically draws ~25 mA in active mode and <1 uA in sleep, giving a worst-case dissipation of about 130 mW. Estimated: at 5 V supply and 40 MHz full activity, dissipation is approximately 5 V x 0.025 A = 0.125 W; with theta_JA around 50 C/W for the 80-TQFP package, junction rise is roughly 6 C above ambient - no heatsink needed. For high-temperature enclosures, migrate to the PIC18F8722-E/PT (125 C) which shares the identical die and footprint.
Route the 40 MHz crystal traces (OSC1/OSC2) with a ground guard, keep them short (<10 mm), and place load capacitors within 3 mm of the pins. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for noise immunity - omitting these is a common cause of intermittent resets. For in-circuit debug, dedicate pins RB6 (PGC) and RB7 (PGD); do not use these as outputs in production firmware to avoid contention with ICD programmers.
Do not confuse the -I (industrial, 85 C) and -E (extended, 125 C) suffixes - they share the same silicon but different qualification grades. Configuration bits must be programmed correctly: enable the watchdog timer for field-deployed firmware, set the oscillator mode to HS for >4 MHz crystals, and configure LVP (low-voltage programming) appropriately for your production flow. The PIC18F8722 supports ICSP (in-circuit serial programming) via PGC/PGD - make these pins accessible in the final layout.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - for automotive use choose the automotive-screened 'CVAO' suffix variant or migrate to PIC18F8722-E/PT for 125 C environments.