PIC18LF6680T-I/PT - 8-bit 40MHz MCU, 64KB Flash, 64-TQFP | Microchip
MPN: PIC18LF6680T-I/PT ✓ فعالPIC18LF6680T-I/PT جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of programmable peripherals into one IC. The PIC18 family is Microchip's mid-range 8-bit line, positioned between the baseline PIC10/12/16 series and the 16-bit PIC24/dsPIC families, optimized for cost-sensitive embedded control with deterministic interrupt response.
Key features of this device include 1 KB of EEPROM data memory, a 10-bit Analog-to-Digital Converter (ADC) with up to 12 input channels, multiple Enhanced USART, I2C, and SPI serial interfaces, a 16-bit capture/compare/PWM module, an integrated CAN 2.0B controller, and a hardware 8x8 multiplier supporting single-cycle operations. The 64-pin TQFP package exposes 52 digital I/O pins, providing ample connectivity for mixed-signal sensor hubs and communication bridges.
Architecturally, the PIC18LF6680 uses a RISC-style Harvard bus with separate program and data memory paths, a 16-bit instruction word, and an 8-bit data path. The 40 MHz oscillator drives a 4-phase clock pipeline achieving 10 MIPS throughput, while nanoWatt technology enables deep sleep currents below 1 µA in idle modes. The integrated CAN module (ECAN™) provides 2.0B active compliance with hardware acceptance filters.
Typical applications include CAN-based industrial automation nodes, automotive body and chassis controllers, building automation sensor gateways, HVAC control boards, and embedded sensor hubs requiring reliable low-power operation with mixed-signal I/O. The wide 2.0 V to 5.5 V supply tolerance also makes it suitable for battery-backed systems.
When designing with this MCU, ensure decoupling capacitor placement follows Microchip's TQFP-64 reference layout with 100 nF ceramics near each power pin. Reserve the ICSP/ICD pins (PGC/PGD) for in-circuit programming access, and route the CAN TX/RX lines with characteristic impedance matching for reliable bus operation above 125 kbps.
This page synthesizes distributor stock data, drop-in compatible replacements within the PIC18LF family, application design guidance, and parametric comparison tables not consolidated in the standalone Microchip datasheet.
کے لیے ڈراپ اِن متبادل PIC18LF6680T-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 PIC18LF6680T-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Core Architecture, ADC, I/O Pins, Timers.
PIC18F6680T-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF6680-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF6680T-I/L
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF6585T-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF4685T-I/ML
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF458T-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF4480T-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF6680T-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Family | PIC18F |
| Core Architecture | 8-bit PIC (Enhanced RISC Harvard) |
| Core Frequency | 40 MHz |
| Instruction Throughput | 10 MIPS |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data RAM | 3.3 KB (3328 bytes) |
| Data EEPROM | 1 KB |
| Supply Voltage Range | 2.0 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40°C to +85°C (Industrial) |
| I/O Pins | 52 |
| ADC | 10-bit, up to 12 channels |
| Communication Interfaces | ECAN 2.0B, 2xEUSART, I2C, SPI |
| PWM / CCP Modules | Enhanced CCP, 16-bit |
| پیکیج | 64-pin TQFP (10x10 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS Compliance | Compliant |
PIC18LF6680T-I/PT پن کنفیگریشن
| پن 1 | RC2/CCP1 — I/O port C bit 2 / Enhanced CCP1 output |
| پن 2 | RC3/SCK/SCL — I/O port C bit 3 / SPI clock / I2C clock |
| پن 3 | RC4/SDI/SDA — I/O port C bit 4 / SPI data in / I2C data |
| پن 4 | RC5/SDO — I/O port C bit 5 / SPI data out |
| پن 5 | RC6/TX/CK — I/O port C bit 6 / EUSART TX / clock |
| پن 6 | RC7/RX/DT — I/O port C bit 7 / EUSART RX / data |
| پن 7 | RD0/PSP0 — I/O port D bit 0 / parallel slave port data |
| پن 8 | RD1/PSP1 — I/O port D bit 1 / parallel slave port data |
| پن 9 | RD2/PSP2 — I/O port D bit 2 / parallel slave port data |
| پن 10 | RD3/PSP3 — I/O port D bit 3 / parallel slave port data |
| پن 11 | RC0/T1OSO — I/O port C bit 0 / Timer1 oscillator output |
| پن 12 | RC1/T1OSI — I/O port C bit 1 / Timer1 oscillator input |
| پن 13 | OSC1/CLKI/RA7 — Oscillator input / external clock / port A bit 7 |
| پن 14 | OSC2/CLKO/RA6 — Oscillator output / port A bit 6 |
| پن 15 | VSS — Ground reference |
| پن 16 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| پن 17 | RB0/INT0 — I/O port B bit 0 / external interrupt 0 |
| پن 18 | RB1/INT1 — I/O port B bit 1 / external interrupt 1 |
| پن 19 | RB2/INT2 — I/O port B bit 2 / external interrupt 2 |
| پن 20 | RB3/INT3 — I/O port B bit 3 / external interrupt 3 |
| پن 21 | RB4 — I/O port B bit 4 |
| پن 22 | RB5 — I/O port B bit 5 |
| پن 23 | RB6/PGC — I/O port B bit 6 / ICSP clock |
| پن 24 | RB7/PGD — I/O port B bit 7 / ICSP data |
| پن 25 | MCLR/VPP — Master clear reset / programming voltage |
| پن 26 | RA0/AN0 — I/O port A bit 0 / ADC input 0 |
| پن 27 | RA1/AN1 — I/O port A bit 1 / ADC input 1 |
| پن 28 | RA2/AN2/VREF- — I/O port A bit 2 / ADC input 2 / ADC VREF- |
| پن 29 | RA3/AN3/VREF+ — I/O port A bit 3 / ADC input 3 / ADC VREF+ |
| پن 30 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| پن 31 | RA5/AN4/SS — I/O port A bit 5 / ADC input 4 / SPI slave select |
| پن 32 | VSS — Ground reference |
| پن 33 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| پن 34 | RB8 — I/O port B bit 8 |
| پن 35 | RB9 — I/O port B bit 9 |
| پن 36 | RB10 — I/O port B bit 10 |
| پن 37 | RB11 — I/O port B bit 11 |
| پن 38 | RB12 — I/O port B bit 12 |
| پن 39 | RB13 — I/O port B bit 13 |
| پن 40 | RB14 — I/O port B bit 14 |
| پن 41 | RB15 — I/O port B bit 15 |
| پن 42 | RD4/PSP4 — I/O port D bit 4 / parallel slave port data |
| پن 43 | RD5/PSP5 — I/O port D bit 5 / parallel slave port data |
| پن 44 | RD6/PSP6 — I/O port D bit 6 / parallel slave port data |
| پن 45 | RD7/PSP7 — I/O port D bit 7 / parallel slave port data |
| پن 46 | RE0/RD — I/O port E bit 0 / parallel slave port read |
| پن 47 | RE1/WR — I/O port E bit 1 / parallel slave port write |
| پن 48 | RE2/CS — I/O port E bit 2 / parallel slave port chip select |
| پن 49 | VSS — Ground reference |
| پن 50 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| پن 51 | RF0/C2OUT — I/O port F bit 0 / comparator 2 output |
| پن 52 | RF1/C1OUT — I/O port F bit 1 / comparator 1 output |
| پن 53 | RF2/AN7 — I/O port F bit 2 / ADC input 7 |
| پن 54 | RF3/AN8 — I/O port F bit 3 / ADC input 8 |
| پن 55 | RF4/AN9 — I/O port F bit 4 / ADC input 9 |
| پن 56 | RF5/AN10/CVREF — I/O port F bit 5 / ADC input 10 / comparator VREF |
| پن 57 | RF6/AN11 — I/O port F bit 6 / ADC input 11 |
| پن 58 | RF7 — I/O port F bit 7 |
| پن 59 | RG0/ECCP3 — I/O port G bit 0 / Enhanced CCP3 output |
| پن 60 | RG1/TX2/CK2 — I/O port G bit 1 / EUSART2 TX |
| پن 61 | RG2/RX2/DT2 — I/O port G bit 2 / EUSART2 RX |
| پن 62 | RG3/CCP4 — I/O port G bit 3 / CCP4 output |
| پن 63 | RG4/CCP5 — I/O port G bit 4 / CCP5 output |
| پن 64 | AVDD — Analog supply voltage for ADC |
عام استعمالات
PIC18LF6680T-I/PT کے لیے موزوں ہے 7 ایپلیکیشنs: CAN-Based Industrial Automation Node, Automotive Body and Chassis Controller, Building Automation Sensor Gateway, HVAC Control Board, Battery-Backed Embedded Sensor Hub, Industrial Pump and Motor Controller, Embedded Touch-Sensing User Interface.
CAN-Based Industrial Automation Node
The PIC18LF6680T-I/PT's integrated ECAN 2.0B controller with hardware acceptance filters makes it ideal for industrial CAN-open and DeviceNet slave nodes. Operating from 2.0 V to 5.5 V, the MCU can be powered directly from a 24 V industrial bus via a small switching regulator. The 64 KB Flash fits complete CAN-open stack libraries (CiA 301/401), leaving room for application logic. Three internal transmit buffers and dedicated mask/filter registers let firmware prioritize process-data telegrams over heartbeat messages without CPU overhead. At 10 MIPS the device easily handles 1 Mbps bus traffic while servicing ADC sampling and digital I/O scanning. Industrial temperature rating (-40°C to +85°C) supports factory-floor deployment.
تجویز کردہ
Automotive Body and Chassis Controller
With 52 I/O pins, ECAN 2.0B, and automotive-grade supply tolerance, the PIC18LF6680T-I/PT fits body controllers managing lighting, mirrors, seat position, and climate subsystems. The 10-bit ADC with up to 12 channels monitors sensor inputs such as potentiometers, thermistors, and current shunts for actuator feedback. The 16-bit Enhanced CCP module drives PWM-controlled loads like LED backlighting at 1 kHz without CPU intervention. While the I/PT variant is industrial-grade, the same die ships in automotive-qualified versions under different suffixes, allowing direct firmware reuse for platform designs. Hardware acceptance filters on ECAN isolate the node from bus chatter, reducing firmware complexity and improving real-time response.
تجویز کردہ
Building Automation Sensor Gateway
The PIC18LF6680T-I/PT serves as a bridge between sensor field wiring (analog/digital) and a higher-level BACnet or Modbus network. Its 12-channel 10-bit ADC reads temperature, humidity, CO2, and occupancy sensors; its EUSART and SPI interfaces connect to radio modules (LoRa, sub-GHz) or wired transceivers (RS-485). The 64 KB Flash fits BACnet application layer plus a simple TCP/IP stack for Ethernet-equipped gateways. nanoWatt sleep modes drop quiescent current below 1 µA between sensor reads, allowing solar or battery-powered wireless nodes. Wide 2.0 V to 5.5 V supply lets the same firmware run on 3.3 V or 5 V power trees in retrofit installations.
تجویز کردہ
HVAC Control Board
Heating, ventilation, and air-conditioning systems require deterministic real-time control of fans, valves, and compressors, which the PIC18LF6680T-I/PT's Enhanced CCP and PWM modules provide directly. The 10 MIPS throughput handles PID loops for variable-speed blower control while simultaneously servicing the ECAN bus for chiller coordination. The 10-bit ADC samples thermistor and pressure-sensor inputs for closed-loop control, and the on-chip EEPROM stores calibration constants and runtime hours. Operating temperature range of -40°C to +85°C covers unconditioned rooftop equipment enclosures. The 64-pin TQFP exposes enough I/O to drive multiple TRIAC outputs and read multiple safety interlocks without external mux logic.
تجویز کردہ
Battery-Backed Embedded Sensor Hub
For remote monitoring nodes powered by 2-cell alkaline or LiSOCl2 batteries, the PIC18LF6680T-I/PT's 2.0 V minimum supply and nanoWatt sleep modes extend operational life to multiple years. The MCU wakes on timer interrupt, samples sensors via the 10-bit ADC, stores readings in 1 KB EEPROM, and returns to sleep drawing less than 1 µA. The integrated ECAN or UART interfaces connect to a parent data-collection node. With 64 KB Flash the firmware can implement sophisticated power-management algorithms and on-board diagnostics. The wide voltage tolerance accommodates battery droop without brown-out resets, critical for unattended sensor deployments in cold environments.
تجویز کردہ
Industrial Pump and Motor Controller
The PIC18LF6680T-I/PT delivers 10 MIPS throughput suitable for sensorless BLDC or brushed-DC pump control loops. Its 16-bit Enhanced CCP module generates center-aligned PWM at up to 40 MHz resolution for switching power stages, while the fast ADC sampling supports back-EMF sensing. With 52 I/O, the MCU can also read multiple analog feedback channels and drive indicator LEDs and safety relays. The wide 2.0 V to 5.5 V supply lets a single design support 3.3 V logic variants and legacy 5 V industrial sensors. ECAN enables multi-pump coordination in industrial process-control cabinets. The industrial temperature grade supports enclosed control-panel environments without additional cooling.
تجویز کردہ
Embedded Touch-Sensing User Interface
The PIC18LF6680T-I/PT supports Microchip's mTouch™ capacitive-touch sensing library through its 10-bit ADC and CTMU (Charge Time Measurement Unit), enabling robust touch buttons, sliders, and proximity sensors without external touch ICs. With 52 I/O and 12 ADC channels, one MCU can scan a full 16-key matrix plus a slider while driving a character LCD over SPI. The 64 KB Flash accommodates the touch-sensing library plus USB CDC/HID stacks when paired with an external MCP2200. Industrial temperature grade makes the device suitable for appliance front-panel controls and outdoor kiosks requiring reliable touch performance across wide environmental swings.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18LF6680T-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F6680T-I/PT | PIC18LF6680-I/PT | PIC18LF6585T-I/PT | PIC18LF458T-I/PT | PIC18LF4480T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| Flash Memory | 64 KB | 64 KB | 64 KB | 48 KB | 32 KB | 16 KB |
| RAM | 3.3 KB | 3.3 KB | 3.3 KB | 3.3 KB | 1.5 KB | 768 B |
| Core Speed | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS |
| Supply Voltage | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| ECAN Module | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | No (CAN available on F4585) | No |
| Operating Temperature | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
اہم امتیازی خصوصیات
- Integrated ECAN 2.0B with hardware acceptance filters (بمقابلہPIC18LF458T-I/PT)
- Low-voltage 2.0 V to 5.5 V supply range with nanoWatt modes (بمقابلہPIC18F6680T-I/PT)
- 64 KB Flash versus reduced-memory variants (بمقابلہPIC18LF458T-I/PT)
ڈیزائن نوٹس
The PIC18LF6680T-I/PT supports 2.0 V to 5.5 V operation, but the on-chip ADC and ECAN reference voltages have specific decoupling requirements. Place a 100 nF X7R ceramic capacitor within 2 mm of every VDD/VSS pin pair and add a single 10 µF bulk capacitor near the MCU. For ADC accuracy, separate analog and digital supply planes and use a ferrite bead or small inductor between AVDD and VDD to isolate analog noise from switching digital currents. The MCU draws approximately 15 mA active at 40 MHz / 5 V per Microchip datasheet DS39764F. In nanoWatt sleep modes current drops below 1 µA, enabling battery-backed deployments.
Route the ICSP/ICD pins (RB6/PGC, RB7/PGD) to a 6-pin header accessible from the board edge to support in-circuit programming without disassembling the enclosure. Place a pull-up resistor (10 kΩ) on MCLR to VDD, with the decoupling capacitor close to the MCLR pin rather than at the supply. Reserve any unused I/O pins as outputs to avoid floating-input CMOS shoot-through current. For CAN bus applications, route CANH and CANL as a 120 Ω differential pair and place the termination resistor only at the cable ends, not at every node.
A common pitfall is using the standard PIC18F6680 firmware configuration bits when migrating to the 'LF' low-voltage variant. The LF parts use different BOR (Brown-Out Reset) voltage thresholds and may require different CONFIG settings. Engineers should always re-validate the configuration bits when porting from F to LF variants, paying close attention to the WDT, LVP, and OSC settings. Also note that 'T' in the part number denotes tape-and-reel packaging, NOT temperature grade - the 'I' suffix indicates industrial -40°C to +85°C range. Mixing up T with temperature grade leads to incorrect inventory management.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Industrial temperature grade -40°C to +85°C; AEC-Q100 qualification not applicable to I/PT variant. EU RoHS and REACH compliant per Abacus cross-reference listing.
