PIC18F66K80T-I/PT - 8-bit 64KB Flash MCU w/ ECAN | Microchip
MPN: PIC18F66K80T-I/PT ✓ فعالPIC18F66K80T-I/PT جائزہ
An 8-bit PIC microcontroller is a CISC-style Reduced Instruction Set Computing (RISC) device that combines a CPU core, Flash program memory, SRAM data memory, EEPROM, and a rich peripheral set on a single die. PIC18 microcontrollers sit within Microchip's broader hierarchy of MCU -> microcontroller -> embedded controller -> semiconductor IC, and the K-series adds nanoWatt XLP extreme-low-power technology that enables sleep currents measured in nanoamperes.
Key features of the PIC18F66K80 family include a 12-bit ADC with up to 12 channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise timing, an integrated ECAN module supporting CAN 2.0B, 54 digital I/O pins, and multiple serial interfaces (UART, SPI, I2C). It also integrates nanoWatt XLP technology for low-power sleep modes.
The CPU architecture is an 8-bit Harvard RISC core with hardware multiplier and 16-bit instructions, achieving 16 MIPS at 64 MHz. The ECAN peripheral implements the full CAN 2.0B protocol with hardware acceptance filters and a dedicated DMA engine that offloads message handling from the CPU.
Typical applications include automotive body and chassis ECUs, CAN-connected industrial control nodes, building automation controllers, capacitive touch user interfaces (via CTMU), and battery-powered sensor hubs. The wide 1.8-5.5 V supply range and XLP sleep modes make it attractive for always-on subsystems.
When designing with this part, observe the supply-voltage derating at maximum CPU clock: at 64 MHz the minimum VDD must remain above approximately 4.2 V per the datasheet, so dropping to a 3.3 V rail typically requires limiting FOSC to about 40 MHz. The T-suffix indicates Tape & Reel packaging and the I-suffix denotes the industrial -40C to +85C operating range.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.
کے لیے ڈراپ اِن متبادل PIC18F66K80T-I/PT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC18F66K80T-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Timers, ADC, Core Architecture, Package, Operating Temperature.
PIC18F66K80-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66K80-H/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F65K80T-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66K22T-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66J55-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F6680T-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66K80T-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 8-bit PIC18 RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data SRAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Clock | 64 MHz |
| Instruction Throughput | 16 MIPS |
| Supply Voltage (VDD) | 1.8 V to 5.5 V (4.2 V to 5.5 V at 64 MHz) |
| Digital I/O Pins | 54 |
| ADC | 12-bit, up to 12 channels |
| CAN Module | ECAN (CAN 2.0B) with DMA |
| CTMU | Charge Time Measurement Unit |
| Communication Peripherals | UART, SPI, I2C |
| پیکیج | 64-pin TQFP (10x10 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| آپریٹنگ درجہ حرارت | -40C to +85C (industrial) |
| Packaging Form | Tape & Reel (T suffix) |
| Low-Power Technology | nanoWatt XLP |
| RoHS اسٹیٹس | Compliant |
PIC18F66K80T-I/PT پن کنفیگریشن
| پن 1 | RH2/AN22 — Port H bit 2 / ADC analog input |
| پن 2 | RH3/AN23 — Port H bit 3 / ADC analog input |
| پن 3 | RH4/AN24/C1INC — Port H bit 4 / comparator input |
| پن 4 | RH5/AN25/C1IND — Port H bit 5 / comparator input |
| پن 5 | RH6/AN26/C2INC — Port H bit 6 / comparator input |
| پن 6 | RH7/AN27/C2IND — Port H bit 7 / comparator input |
| پن 7 | VDD — Positive supply (2.5V/3.3V/5V) |
| پن 8 | VSS — Ground reference |
| پن 9 | OSC1/CLKIN — External clock input / crystal oscillator pin 1 |
| پن 10 | OSC2/CLKOUT — Crystal oscillator pin 2 / clock output |
| پن 11 | RA0/AN0/ULPWU — Port A bit 0 / ADC ch0 / ultra-low-power wake |
| پن 12 | RA1/AN1 — Port A bit 1 / ADC ch1 |
| پن 13 | RA2/AN2/VREF- — Port A bit 2 / ADC VREF- |
| پن 14 | RA3/AN3/VREF+ — Port A bit 3 / ADC VREF+ |
| پن 15 | RA4 — Port A bit 4 |
| پن 16 | RA5/AN4 — Port A bit 5 / ADC ch4 |
| پن 17 | RA6 — Port A bit 6 |
| پن 18 | RA7 — Port A bit 7 |
| پن 19 | VSS — Ground |
| پن 20 | VDD — Positive supply |
| پن 21 | RB0/AN8/INT0 — Port B bit 0 / ADC ch8 / external interrupt |
| پن 22 | RB1/AN9/INT1 — Port B bit 1 / ADC ch9 / external interrupt |
| پن 23 | RB2/AN10/INT2 — Port B bit 2 / ADC ch10 / external interrupt |
| پن 24 | RB3/AN11/INT3 — Port B bit 3 / ADC ch11 / external interrupt |
| پن 25 | RB4/AN12 — Port B bit 4 / ADC ch12 |
| پن 26 | RB5/AN13 — Port B bit 5 / ADC ch13 |
| پن 27 | RB6/AN14/PGC — Port B bit 6 / ICD clock |
| پن 28 | RB7/AN15/PGD — Port B bit 7 / ICD data |
| پن 29 | RC0 — Port C bit 0 |
| پن 30 | RC1 — Port C bit 1 |
| پن 31 | RC2 — Port C bit 2 |
| پن 32 | RC3/SCL — Port C bit 3 / I2C clock |
| پن 33 | RC4/SDA — Port C bit 4 / I2C data |
| پن 34 | RC5 — Port C bit 5 |
| پن 35 | RC6 — Port C bit 6 |
| پن 36 | RC7 — Port C bit 7 |
| پن 37 | RE0 — Port E bit 0 |
| پن 38 | RE1 — Port E bit 1 |
| پن 39 | RE2 — Port E bit 2 |
| پن 40 | RE3 — Port E bit 3 |
| پن 41 | VDD — Positive supply |
| پن 42 | VSS — Ground |
| پن 43 | RF0 — Port F bit 0 |
| پن 44 | RF1 — Port F bit 1 |
| پن 45 | RF2 — Port F bit 2 |
| پن 46 | RF3 — Port F bit 3 |
| پن 47 | RF4 — Port F bit 4 |
| پن 48 | RF5 — Port F bit 5 |
| پن 49 | RF6 — Port F bit 6 |
| پن 50 | RF7 — Port F bit 7 |
| پن 51 | RG0 — Port G bit 0 |
| پن 52 | RG1 — Port G bit 1 |
| پن 53 | RG2 — Port G bit 2 |
| پن 54 | RG3 — Port G bit 3 |
| پن 55 | RG4 — Port G bit 4 |
| پن 56 | MCLR/RE4 — Master clear (reset) / Port E bit 4 |
| پن 57 | RH0/AN20 — Port H bit 0 / ADC ch20 |
| پن 58 | RH1/AN21 — Port H bit 1 / ADC ch21 |
| پن 59 | AVSS — Analog ground reference |
| پن 60 | AVDD — Analog supply input |
| پن 61 | C1IN+/C2IN+ — Comparator non-inverting inputs |
| پن 62 | C1OUT/C2OUT — Comparator outputs |
| پن 63 | TX2/CK2 — ECAN transmit / EUSART2 clock |
| پن 64 | RX2/DT2 — ECAN receive / EUSART2 data |
عام استعمالات
PIC18F66K80T-I/PT کے لیے موزوں ہے 6 ایپلیکیشنs: Automotive Body and Chassis ECUs, Industrial CAN Control Nodes, Building Automation Controllers, Capacitive Touch User Interfaces, Battery-Powered Sensor Hubs, USB-Connected Embedded Peripherals.
Automotive Body and Chassis ECUs
The PIC18F66K80T-I/PT is well suited for automotive body and chassis ECUs because it integrates a full CAN 2.0B ECAN controller with hardware acceptance filters and a dedicated DMA engine. With 64 KB Flash, 4 KB RAM, and 54 I/O, it can handle multi-node body control tasks such as lighting, mirror control, and seat modules. The 1.8 V to 5.5 V supply range tolerates 12 V battery transients when paired with a front-end regulator. For AEC-Q100 Grade 1 designs, the PIC18F66K80-H/PT variant extends operation to +125C.
تجویز کردہ
Industrial CAN Control Nodes
In industrial CAN networks (CANopen, DeviceNet, J1939), the PIC18F66K80T-I/PT provides an integrated ECAN peripheral, 12-bit ADC, and 16 MIPS throughput for closed-loop control at update rates above 1 kHz. The CTMU allows precise time-of-flight measurements for distance or level sensing. With nanoWatt XLP technology, sleep currents below 1 uA enable battery-backed sensor hubs that wake on CAN bus activity.
تجویز کردہ
Building Automation Controllers
Building automation subsystems such as HVAC controllers, lighting ballasts, and access-control panels benefit from the PIC18F66K80T-I/PT's wide 1.8 V to 5.5 V supply range, which simplifies integration with both 24 V HVAC rails and 3.3 V logic. The 12-bit ADC supports up to 12 channels for temperature, humidity, and pressure sensing, while ECAN connects to a building backbone bus. The TQFP-64 package provides ample I/O for keypad scanning, LCD drive, and relay outputs.
تجویز کردہ
Capacitive Touch User Interfaces
The PIC18F66K80T-I/PT's Charge Time Measurement Unit (CTMU) provides a hardware-based constant-current source that enables high-resolution capacitive touch sensing without external analog components. With up to 54 I/O pins and the CTMU, the MCU can scan 30+ touch electrodes directly. The 16 MIPS throughput handles touch decoding, gesture recognition, and host communication (UART/SPI) in a single device, reducing BOM cost in HMI panels.
تجویز کردہ
Battery-Powered Sensor Hubs
For wireless sensor hubs running from a 3.6 V Li-SOCl2 primary cell, the PIC18F66K80T-I/PT delivers nanoWatt XLP sleep currents below 1 uA, allowing multi-year battery life when wake intervals are sparse. At 3.3 V the maximum CPU clock drops to about 40 MHz, but periodic sensor reads plus UART/SPI output to a connected radio remain well within budget. The wide -40C to +85C industrial temperature range covers outdoor and underground deployments.
تجویز کردہ
USB-Connected Embedded Peripherals
Although the PIC18F66K80T-I/PT lacks an integrated USB peripheral, its UART and SPI interfaces pair cleanly with external USB-to-UART bridges (MCP2200, MCP2221) for PC connectivity. Designers can re-purpose 54 I/O for keypad, LCD, and motor control while leaving a transparent UART/USB debug channel. The 16 MIPS throughput keeps CDC-class serial latency low even when the main loop drives PWM outputs.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F66K80T-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F66K80-I/PT | PIC18F66K80-H/PT | PIC18F65K80T-I/PT | PIC18F66K22T-I/PT | PIC18F66J55-I/PT |
|---|---|---|---|---|---|---|
| Brand | 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 |
| Flash Program Memory | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB | 96 KB |
| Data SRAM | 4 KB | 4 KB | 4 KB | 2 KB | 4 KB | 8 KB |
| ECAN Module | Yes (CAN 2.0B) | Yes | Yes | Yes | No | No (ECAN absent on PIC18J) |
| Maximum CPU Clock | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 48 MHz (12 MIPS) |
| Supply Voltage Range | 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 | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +125C (AEC-Q100) | -40C to +85C | -40C to +85C | -40C to +85C |
| Price (1 pc, USD approx.) | $7.95 | ~$7.95 | ~$9.50 | ~$6.50 | ~$6.20 | ~$7.10 |
اہم امتیازی خصوصیات
- Integrated ECAN controller eliminates external CAN silicon (بمقابلہPIC18F66K22T-I/PT)
- Industry-leading 16 MIPS throughput in 8-bit class (بمقابلہPIC18F66J55-I/PT)
- CTMU peripheral enables hardware capacitive touch without external analog ICs (بمقابلہPIC18F45K80T-I/ML)
ڈیزائن نوٹس
Estimated: At a 3.3 V supply the maximum CPU clock drops from 64 MHz to about 40 MHz per the family datasheet. Designers using a 3.3 V rail should set the OSCCON register to FOSC = 40 MHz (16 MHz HFINTOSC with 4x PLL or 10 MHz EC mode with 4x PLL) to remain within the voltage-frequency derating curve. Exceeding the limit will cause unstable Flash reads and ADC inaccuracies.
Place the AVDD and VDD pins with at least a 0.1 uF ceramic decoupling capacitor within 3 mm of each pin, and add a 10 uF bulk tantalum or ceramic on the AVDD rail. For mixed-signal designs, isolate AVDD with a ferrite bead from VDD to reduce ADC noise coupling. The TQFP-64 exposed thermal pad (where present) should be soldered to a 1 square inch copper pour for thermal dissipation.
Ensure PGC/PGD lines (RB6/RB7) are not loaded with more than 25 pF during in-circuit programming; if the application requires those pins as outputs with heavy capacitance, add series 4.7 kohm resistors for in-circuit debug compatibility. Also remember that the T-suffix changes only the carrier format (Tape & Reel) - it does not change operating temperature grade; for -40C to +125C, select the H-suffix or E-suffix variants explicitly.
The ECAN module requires a dedicated MCP2551 (or equivalent) high-speed CAN transceiver between the ECAN TX2/RX2 pins and the bus. Keep the transceiver-to-MCU traces under 50 mm and route them over a continuous ground plane to meet IEC 61000-4-2 ESD and ISO 11898 EMC requirements. Place a 60-ohm termination resistor at each end of the CAN bus, not at the MCU.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Not AEC-Q100 qualified in the standard grade - choose PIC18F66K80-H/PT for AEC-Q100 Grade 1 automotive qualification.
