PIC18F8722-I/PT - 8-bit MCU, 40MHz, 128KB Flash, 80-TQFP | Microchip
MPN: PIC18F8722-I/PT ✓ نشطPIC18F8722-I/PT نظرة عامة
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.
بدائل مباشرة لـ PIC18F8722-I/PT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18F8722-I/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, Core Architecture, Program Memory (Flash), Core.
PIC18F8722-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F8722T-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F8722T-E/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8722-I/PTCVAO
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F8723-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F67K22-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8722-I/PT الحدود القصوى والخصائص الكهربائية
| 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 |
| درجة حرارة التشغيل | -40 C to +85 C (Industrial) |
| العلبة | 80-pin TQFP (12x12 mm) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
| مستوى MSL | 3 |
تكوين أطراف PIC18F8722-I/PT
| دبوس 1 | RC0 — I/O port C bit 0 / T1OSO/T1CKI |
| دبوس 2 | RC1 — I/O port C bit 1 / CCP2 |
| دبوس 3 | RC2 — I/O port C bit 2 / CCP1 / P1A |
| دبوس 4 | RC3 — I/O port C bit 3 / SCL1/SCK1 |
| دبوس 5 | RC4 — I/O port C bit 4 / SDA1/SDI1 |
| دبوس 6 | RC5 — I/O port C bit 5 / SDO1 |
| دبوس 7 | RC6 — I/O port C bit 6 / TX2/CK2 |
| دبوس 8 | RC7 — I/O port C bit 7 / RX2/DT2 |
| دبوس 9 | RD0 — I/O port D bit 0 / PSP0 |
| دبوس 10 | RD1 — I/O port D bit 1 / PSP1 |
| دبوس 11 | RD2 — I/O port D bit 2 / PSP2 |
| دبوس 12 | RD3 — I/O port D bit 3 / PSP3 |
| دبوس 13 | RD4 — I/O port D bit 4 / PSP4 |
| دبوس 14 | RD5 — I/O port D bit 5 / PSP5 / P1D |
| دبوس 15 | RD6 — I/O port D bit 6 / PSP6 / P1C |
| دبوس 16 | RD7 — I/O port D bit 7 / PSP7 / P1B |
| دبوس 17 | VSS — Ground reference |
| دبوس 18 | VDD — Positive supply (4.2 V to 5.5 V) |
| دبوس 19 | RE0 — I/O port E bit 0 / RD/AN5 |
| دبوس 20 | RE1 — I/O port E bit 1 / WR/AN6 |
| دبوس 21 | RE2 — I/O port E bit 2 / CS/AN7 |
| دبوس 23 | RA0 — I/O port A bit 0 / AN0 |
| دبوس 24 | RA1 — I/O port A bit 1 / AN1 |
| دبوس 25 | RA2 — I/O port A bit 2 / AN2 / VREF- |
| دبوس 26 | RA3 — I/O port A bit 3 / AN3 / VREF+ |
| دبوس 27 | RA4 — I/O port A bit 4 / T0CKI |
| دبوس 28 | RA5 — I/O port A bit 5 / AN4 / SS1 |
| دبوس 29 | RA6 — I/O port A bit 6 / OSC2 / CLKO |
| دبوس 30 | OSC1 — Oscillator input / CLKI / RA7 |
| دبوس 31 | RA7 — I/O port A bit 7 / OSC1 |
| دبوس 32 | RB0 — I/O port B bit 0 / INT0 / FLT0 |
| دبوس 33 | RB1 — I/O port B bit 1 / INT1 |
| دبوس 34 | RB2 — I/O port B bit 2 / INT2 / CCP3 |
| دبوس 35 | RB3 — I/O port B bit 3 / INT3 / CCP4 |
| دبوس 36 | RB4 — I/O port B bit 4 / KBI0 |
| دبوس 37 | RB5 — I/O port B bit 5 / KBI1 / PGM |
| دبوس 38 | RB6 — I/O port B bit 6 / KBI2 / PGC |
| دبوس 39 | RB7 — I/O port B bit 7 / KBI3 / PGD |
| دبوس 40 | VSS — Ground reference |
| دبوس 41 | VDD — Positive supply (4.2 V to 5.5 V) |
| دبوس 58 | RF0 — I/O port F bit 0 / AN8 |
| دبوس 59 | RF1 — I/O port F bit 1 / AN9 / C2OUT |
| دبوس 60 | RF2 — I/O port F bit 2 / AN10 / C1OUT |
| دبوس 61 | RF3 — I/O port F bit 3 / AN11 |
| دبوس 62 | RF4 — I/O port F bit 4 / AN12 |
| دبوس 63 | RF5 — I/O port F bit 5 / AN13 |
| دبوس 64 | RF6 — I/O port F bit 6 / AN14 |
| دبوس 65 | RF7 — I/O port F bit 7 / AN15 |
| دبوس 66 | RG0 — I/O port G bit 0 / ECCP3 / P3A |
| دبوس 67 | RG1 — I/O port G bit 1 / TX3 / CK3 |
| دبوس 68 | RG2 — I/O port G bit 2 / RX3 / DT3 |
| دبوس 69 | RG3 — I/O port G bit 3 / CCP5 |
| دبوس 70 | RG4 — I/O port G bit 4 / CCP6 / T7CKI |
| دبوس 71 | AVSS — Analog ground |
| دبوس 72 | AVDD — Analog supply (4.2 V to 5.5 V) |
| دبوس 77 | RH0 — I/O port H bit 0 / A16 |
| دبوس 78 | RH1 — I/O port H bit 1 / A17 |
| دبوس 79 | RH2 — I/O port H bit 2 / A18 |
| دبوس 80 | RH3 — I/O port H bit 3 / A19 |
| دبوس 22 | MCLR — Master Clear reset input (active low) |
| دبوس 42 | RJ0 — I/O port J bit 0 |
| دبوس 43 | RJ1 — I/O port J bit 1 |
| دبوس 44 | RJ2 — I/O port J bit 2 |
| دبوس 45 | RJ3 — I/O port J bit 3 |
| دبوس 46 | RJ4 — I/O port J bit 4 |
| دبوس 47 | RJ5 — I/O port J bit 5 |
| دبوس 48 | RJ6 — I/O port J bit 6 |
| دبوس 49 | RJ7 — I/O port J bit 7 |
| دبوس 50 | RK0 — I/O port K bit 0 / P3D |
| دبوس 51 | RK1 — I/O port K bit 1 / P3C |
| دبوس 52 | RK2 — I/O port K bit 2 / P3B |
| دبوس 53 | RK3 — I/O port K bit 3 / P3A |
| دبوس 54 | RK4 — I/O port K bit 4 |
| دبوس 55 | RK5 — I/O port K bit 5 |
| دبوس 56 | RK6 — I/O port K bit 6 |
| دبوس 57 | RK7 — I/O port K bit 7 |
| دبوس 73 | RH4 — I/O port H bit 4 |
| دبوس 74 | RH5 — I/O port H bit 5 |
| دبوس 75 | RH6 — I/O port H bit 6 |
| دبوس 76 | RH7 — I/O port H bit 7 |
التطبيقات النموذجية
PIC18F8722-I/PT مناسب لـ 6 التطبيقs: 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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F8722-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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 |
أبرز الفروقات
- Largest flash density in the PIC18F8722 family (مقابلPIC18F8723-I/PT)
- Highest I/O count in the PIC18F 5 V family (مقابلPIC18F67K22-I/PT)
- Drop-in industrial-temperature compatibility (مقابلPIC18F8722-E/PT)
ملاحظات التصميم
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.
معلومات الامتثال
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.