PIC18F66K80-I/MR - 8-bit 64MHz 64KB Flash MCU w/ ECAN | Microchip
MPN: PIC18F66K80-I/MR ✓ فعالPIC18F66K80-I/MR نمای کلی
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC18 family uses a RISC-based 8-bit core with hardware multiplier, 16-bit instructions, and a Harvard bus that separates program and data paths. The PIC18F66K80 sits in Microchip's "K" mid-range tier, balancing high-performance peripherals (ECAN, 12-bit ADC, CTMU) with the XLP power-saving feature set.
Key features include integrated ECAN 2.0B for industrial and automotive networking, a 12-bit A/D converter with up to 16 channels, mTouch capacitive-touch via CTMU, 64 KB self-programming Flash, 1 KB EEPROM, four 8-bit timers plus multiple 16-bit timers, two MSSP (SPI/I2C) ports, and two enhanced USART modules. nanoWatt XLP modes include deep sleep with RTC and WDT operation typically under 1 uA.
Typical applications include automotive body and cluster networks (ECAN nodes), building-control and HVAC equipment, elevator control panels, industrial sensor hubs, and low-power remote sensor modules. The wide 1.8-5.5 V range and low sleep current make it well suited to battery-backed or energy-harvesting designs.
When designing with this part, ensure decoupling is placed near each power pin, leave the no-connect (NC) pins per the pinout, and configure the CONFIG words for oscillator, watchdog, and code protection. Use MPLAB X IDE with the XC8 compiler for code development and debugging.
جایگزین‌های drop-in برای PIC18F66K80-I/MR — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC18F66K80-I/MR (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در ADC, Package, Operating Temperature Range, Communication Interfaces, Core.
PIC18F66K80-H/MR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F66K80-E/MR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18F65K90-I/MR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F65K80-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F66K40T-I/MR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F66K80-I/MR حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | PIC18 8-bit RISC |
| CPU Speed | 64 MHz (16 MIPS) |
| Program Memory | 64 KB Flash |
| RAM | 4 KB |
| EEPROM | 1 KB |
| Operating Voltage | 1.8 V to 5.5 V |
| ADC | 12-bit, up to 16 channels |
| Communication | ECAN 2.0B, 2x EUSART, 2x MSSP (SPI/I2C) |
| Timers | 4x 8-bit, 4x 16-bit |
| CTMU | Yes (mTouch capacitive touch) |
| XLP nanoWatt | Yes (deep sleep < 1 uA typical) |
| بسته‌بندی | 64-pin VQFN (9x9 mm) |
| دمای کاری | -40 C to +85 C (Industrial) |
| RoHS | Compliant |
پیکربندی پین PIC18F66K80-I/MR
| پین 1 | NC — Not connected (per datasheet) |
| پین 2 | RA0 — PORTA digital I/O / AN0 analog input |
| پین 3 | RA1 — PORTA digital I/O / AN1 analog input |
| پین 4 | RA2 — PORTA digital I/O / AN2 analog input |
| پین 5 | RA3 — PORTA digital I/O / AN3 analog input / VREF+ |
| پین 6 | RA4 — PORTA digital I/O / AN4 analog input |
| پین 7 | RA5 — PORTA digital I/O / AN5 / VREF- |
| پین 8 | RA6 — PORTA digital I/O / OSC2 |
| پین 9 | RA7 — PORTA digital I/O / OSC1 |
| پین 10 | VSS — Ground reference |
| پین 11 | VDD — Positive power supply |
| پین 12 | RB0 — PORTB digital I/O / INT0 / ECCP1 |
| پین 13 | RB1 — PORTB digital I/O / INT1 |
| پین 14 | RB2 — PORTB digital I/O / INT2 / CTED1 |
| پین 15 | RB3 — PORTB digital I/O / INT3 / CTED2 |
| پین 16 | RB4 — PORTB digital I/O / KBI0 |
| پین 17 | RB5 — PORTB digital I/O / KBI1 / CANTX |
| پین 18 | RB6 — PORTB digital I/O / KBI2 / PGC (ICSP clock) |
| پین 19 | RB7 — PORTB digital I/O / KBI3 / PGD (ICSP data) |
| پین 20 | VSS — Ground reference |
| پین 21 | VDD — Positive power supply |
| پین 22 | RC0 — PORTC digital I/O / SOSCO / T1OSO |
| پین 23 | RC1 — PORTC digital I/O / SOSCI / T1OSI |
| پین 24 | RC2 — PORTC digital I/O / CCP1 |
| پین 25 | RC3 — PORTC digital I/O / SCL1 |
| پین 26 | RC4 — PORTC digital I/O / SDA1 |
| پین 27 | RC5 — PORTC digital I/O / SDO1 |
| پین 28 | RC6 — PORTC digital I/O / TX1/CK1 |
| پین 29 | RC7 — PORTC digital I/O / RX1/DT1 |
| پین 30 | VSS — Ground reference |
| پین 31 | VDD — Positive power supply |
| پین 32 | RD0 — PORTD digital I/O / ECI |
| پین 33 | RD1 — PORTD digital I/O / CCP4 |
| پین 34 | RD2 — PORTD digital I/O / CCP5 |
| پین 35 | RD3 — PORTD digital I/O / CTMUI |
| پین 36 | RD4 — PORTD digital I/O / CANRX |
| پین 37 | RD5 — PORTD digital I/O |
| پین 38 | RD6 — PORTD digital I/O |
| پین 39 | RD7 — PORTD digital I/O |
| پین 40 | VSS — Ground reference |
| پین 41 | VDD — Positive power supply |
| پین 42 | RE0 — PORTE digital I/O / AN8 |
| پین 43 | RE1 — PORTE digital I/O / AN9 |
| پین 44 | RE2 — PORTE digital I/O / AN10 |
| پین 45 | RE3 — PORTE digital I/O / AN11 |
| پین 46 | RF0 — PORTF digital I/O / AN5 alt |
| پین 47 | RF1 — PORTF digital I/O / AN6 / C2OUT |
| پین 48 | RF2 — PORTF digital I/O / AN7 / C1OUT |
| پین 49 | RF3 — PORTF digital I/O / AN8 alt |
| پین 50 | RF4 — PORTF digital I/O / AN9 alt |
| پین 51 | RF5 — PORTF digital I/O / AN10 alt |
| پین 52 | RF6 — PORTF digital I/O / AN11 alt |
| پین 53 | RF7 — PORTF digital I/O / AN12 |
| پین 54 | VSS — Ground reference |
| پین 55 | VDD — Positive power supply |
| پین 56 | RG0 — PORTG digital I/O / CCP3 |
| پین 57 | RG1 — PORTG digital I/O / CANTX2 |
| پین 58 | RG2 — PORTG digital I/O / CANRX2 |
| پین 59 | RG3 — PORTG digital I/O / CCP4 alt |
| پین 60 | RG4 — PORTG digital I/O / CCP5 alt |
| پین 61 | AVDD — Analog positive supply |
| پین 62 | AVSS — Analog ground reference |
| پین 63 | MCLR — Master Clear reset input (active low) |
| پین 64 | NC — Not connected (per datasheet) |
کاربردهای معمول
PIC18F66K80-I/MR مناسب است برای 6 کاربردs: Automotive ECAN Body Control Module, Building Control and HVAC Equipment, Industrial Sensor Hub with CANopen, Elevator Control Panel, Battery-Backed Data Logger, Capacitive Touch User Interface.
Automotive ECAN Body Control Module
The PIC18F66K80-I/MR's integrated ECAN 2.0B module and 64 KB Flash make it a strong fit for automotive body control nodes. The hardware CAN engine offloads bit timing, acceptance filtering, and bus arbitration from the CPU, freeing cycles for body-domain logic such as lighting, door modules, and seat control. The 1.8-5.5 V supply range handles crank-voltage transients when paired with external TVS protection, and the XLP sleep mode keeps quiescent draw below 100 uA in parked-vehicle modes for weeks-long standby. ECAN bit rates up to 1 Mbps support modern vehicle networks including CAN-FD gateways.
پیشنهادی
Building Control and HVAC Equipment
HVAC and building-automation controllers benefit from the PIC18F66K80-I/MR's combination of 12-bit ADC for analog sensor reading, CTMU for capacitive user interfaces, and 16 MIPS performance for control loops. The wide operating voltage lets the part run directly from 24 VAC rectified supplies with simple regulators. The dual MSSP (SPI/I2C) and dual EUSART ports support daisy-chained sensor buses, BACnet gateways, and Modbus RTU connections. XLP deep-sleep mode below 1 uA enables battery-backed thermostats that survive outages while still polling schedules and maintaining RTC accuracy.
پیشنهادی
Industrial Sensor Hub with CANopen
Industrial sensor hubs require deterministic communication, robust peripherals, and extended temperature operation - all delivered by the PIC18F66K80-I/MR. The integrated ECAN module supports CANopen and DeviceNet stacks, while the 12-bit ADC and CTMU allow direct connection to analog sensors and capacitive proximity elements. The 64 KB Flash provides ample headroom for CANopen stack libraries plus custom application code. The -40 C to +85 C industrial temperature grade suits factory-floor deployments without derating.
پیشنهادی
Elevator Control Panel
Elevator control panels require reliable operation across many switching cycles, multi-language display support, and clean button-debounce logic. The PIC18F66K80-I/MR provides 64 KB Flash for state machines and menu handling, 4 KB RAM for display buffers, and CTMU for capacitive floor-selection buttons without mechanical wear. The hardware ECAN allows the panel to network with the elevator controller for floor-status synchronization. The 16 MIPS throughput ensures responsive button-press handling and display refresh even with simultaneous CAN traffic.
پیشنهادی
Battery-Backed Data Logger
Battery-powered data loggers running from 2x AA cells or Li-ion packs require microamp-range quiescent current and reliable non-volatile storage. The PIC18F66K80-I/MR's nanoWatt XLP deep-sleep mode drops below 1 uA with RTC active, and its 1 KB EEPROM allows parameter storage without external memory. The 12-bit ADC samples slow analog signals (temperature, pressure, flow) without an external front end. The 64 KB Flash accommodates months of circular log buffering, and the wide 1.8-5.5 V range supports battery chemistries from alkaline to Li-primary.
پیشنهادی
Capacitive Touch User Interface
The PIC18F66K80-I/MR's CTMU (Charge Time Measurement Unit) provides hardware-driven capacitive touch sensing for buttons, sliders, and wheels without an external touch controller IC. Combined with the 12-bit ADC for proximity detection and 64 KB Flash for gesture-recognition firmware, the part enables compact sealed-keypad designs that survive water and dust ingress. The XLP sleep mode keeps battery-powered touch remotes in standby for months between charges, waking only on proximity interrupt.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC18F66K80-I/MR — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC18F66K80-H/MR | PIC18F66K80-E/MR | PIC18F65K90-I/MR | PIC18F65K80-I/PT | PIC18F66K40T-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | TQFP-64 - same pin count different package | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 32 KB (-50%) | 32 KB (-50%) |
| ECAN Module | Yes (ECAN 2.0B) | Yes | Yes | No | Yes | No |
| Operating Frequency | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | Industrial -40 C to +85 C | High -40 C to +150 C | Extended -40 C to +125 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C |
| CTMU Touch Sensing | Yes | Yes | Yes | Yes | Yes | Yes |
تفاوت‌های کلیدی
- Integrated ECAN 2.0B with hardware filtering (در مقابلPIC18F66K40T-I/MR)
- 64 KB Flash vs 32 KB in similar K-series parts (در مقابلPIC18F65K80-I/PT)
- Same package across K-series K80 family (در مقابلPIC18F66K80-E/MR)
یادداشت‌های طراحی
Place a 100 nF decoupling capacitor within 5 mm of each VDD/VDDCORE pin and a bulk 4.7-10 uF tantalum or ceramic capacitor near the package. The PIC18F66K80-I/MR has multiple VDD/VSS pin pairs (pins 11/10, 21/20, 31/30, 41/40, 55/54); all must be bypassed. AVDD/AVSS (pins 61/62) require separate decoupling with an LC or ferrite-bead-isolated analog supply for best ADC performance.
Route the ECAN CANH/CANL differential pair as impedance-matched (~120 ohm) traces with ground reference plane on the layer below, keeping pair length mismatch under 5 mm. Place the MCP2551 or similar CAN transceiver within 50 mm of the PIC18F66K80-I/MR's CANRX/CANTX pins (RB5/RD4). Keep crystal traces short and surrounded by ground pour to minimize EMI coupling into the high-impedance ADC inputs.
Do not leave MCLR floating - it must be pulled up to VDD through a 10-47 kohm resistor, optionally with a 100 nF capacitor for noise filtering. Configure CONFIG1L, CONFIG1H, CONFIG2L, CONFIG2H, CONFIG3L, CONFIG3H, CONFIG4L, CONFIG4H, CONFIG5L, CONFIG5H, CONFIG6L, CONFIG6H, CONFIG7L, and CONFIG7H in MPLAB X IDE to match the oscillator, watchdog, brown-out, and code-protection requirements for your design. Failure to lock CONFIG bits properly is the most common firmware brick.
The 9x9 mm VQFN package has a thermal pad (EPAD) on its underside that must be soldered to a copper pour with multiple thermal vias to the ground plane(s) to dissipate the ~500 mW max power dissipation. Estimated: at 64 MHz / 5 V / full peripheral activity, core current can reach 25 mA; without proper PCB thermal management, junction-to-ambient thermal resistance (theta_JA) can exceed 30 C/W, causing thermal throttling in high-ambient environments.
اطلاعات انطباق
PIC18F66K80-I/MR is the industrial temperature grade and is not AEC-Q100 qualified; choose PIC18F66K80-E/MR for AEC-Q100 automotive. RoHS and REACH compliance per Microchip product declaration. Conflict-minerals statement per Microchip CMRT filings.
