PIC18LF6310T-I/PT - 8KB Flash 8-bit MCU, 64-TQFP | Microchip
MPN: PIC18LF6310T-I/PT ✓ Hoạt độngPIC18LF6310T-I/PT Tóm tắt
An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, RAM, Flash program memory, EEPROM, timers, ADCs, and serial peripherals on a single die. Within the broader taxonomy, the PIC18LF6310 sits under: 8-bit MCU -> PIC18 family -> PIC18F6xxx 'high-pin-count' sub-family -> embedded microcontroller -> semiconductor. This hierarchy matters for designers selecting peripherals and instruction-set compatibility: PIC18 cores use an enhanced 16-bit instruction set with 8-bit data path, supporting C and assembly development under MPLAB X IDE and the XC8 compiler.
Key features of the PIC18LF6310T-I/PT include 8KB self-programmable Flash with read-while-write capability, an internal 10-bit ADC, multiple 16-bit timers, enhanced CCP, USART, SPI, and I2C peripherals, an on-chip 31 kHz low-power oscillator, and nanoWatt XLP power-management modes for battery-powered designs. Industrial temperature range (-40C to +85C) and the 64-TQFP footprint make it suitable for space-constrained but I/O-rich applications.
The architecture is a Harvard RISC core with 16-bit instructions and 8-bit data, single-cycle multiplication, and hardware multiply/divide support. Flash endurance is rated at 100K erase/write cycles, EEPROM at 1M cycles, and retention is specified at 40 years minimum. The nanoWatt XLP variants deliver idle currents below 1 uA, enabling multi-year battery life in duty-cycled sensor products.
Typical applications include industrial control panels, white-goods user interfaces, HVAC thermostats, low-end medical instruments, automotive body and lighting subsystems, and battery-powered sensor hubs. The wide peripheral set and ample I/O also suit USB-less human-interface controllers, RFID readers, and motor-control BLDC drivers.
When designing with this MCU, ensure the MCLR pin is correctly pulled-up, the Vcore decoupling (10uF + 100nF) is placed within 1 cm of the supply pins, and oscillator layout follows the recommended ground-fence pattern from the PIC18F6310 datasheet (DS39639 family reference).
This page synthesizes distributor pricing, drop-in TQFP-64 alternatives, and practical firmware-bootloader guidance not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC18LF6310T-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 PIC18LF6310T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, MSL Level, Mounting Type, ADC.
PIC18LF6310-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6310T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6410T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF8310T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF46K22T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF6310T-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18 (8-bit RISC Harvard) |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 768 bytes |
| CPU Speed (max) | 40 MHz (10 MIPS) |
| Operating Voltage | 2.0 V to 3.3 V (LF low-voltage core) |
| Hộp | 64-pin TQFP (10x10 mm) |
| Số chân | 64 |
| ADC | 10-bit (multi-channel) |
| Timers | Multiple 16-bit (TMR0/1/2/3) |
| Communication Peripherals | USART, SPI, I2C, Enhanced CCP |
| Low-Power Modes | nanoWatt XLP (sleep < 1 uA typical) |
| Nhiệt độ hoạt động | -40C to +85C (industrial, 'I') |
| Kiểu lắp đặt | Surface Mount (Tape & Reel, 'T') |
| Flash Endurance | 100K erase/write cycles |
| RAM Retention | Not applicable (volatile) |
| Cấp MSL | 3 (168 hours, JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
| Internal Oscillator | 31 kHz LF + 8 MHz selectable (per datasheet) |
| Debug Interface | ICD / ICSP (2-wire) |
Cấu hình chân PIC18LF6310T-I/PT
| Chân 1 | MCLR — Master Clear (reset) input; pull-up to Vdd required |
| Chân 2 | RA0 — PORTA bit 0 / analog input |
| Chân 3 | RA1 — PORTA bit 1 / analog input |
| Chân 4 | RA2 — PORTA bit 2 / analog input |
| Chân 5 | RA3 — PORTA bit 3 / analog input |
| Chân 6 | RA4 — PORTA bit 4 / analog input |
| Chân 7 | RA5 — PORTA bit 5 / analog input |
| Chân 8 | RA6 — PORTA bit 6 / oscillator |
| Chân 9 | RA7 — PORTA bit 7 / oscillator |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Positive supply (2.0V to 3.3V LF core) |
| Chân 12 | RB0 — PORTB bit 0 / interrupt-on-change |
| Chân 13 | OSC1 — Crystal oscillator input |
| Chân 14 | OSC2 — Crystal oscillator output |
| Chân 15 | RC0 — PORTC bit 0 |
| Chân 16 | RC1 — PORTC bit 1 |
| Chân 17 | RC2 — PORTC bit 2 |
| Chân 18 | RC3 — PORTC bit 3 / SCL |
| Chân 19 | RC4 — PORTC bit 4 / SDA |
| Chân 20 | RC5 — PORTC bit 5 / SDO |
| Chân 21 | RC6 — PORTC bit 6 / TX |
| Chân 22 | RC7 — PORTC bit 7 / RX |
| Chân 23 | VSS — Ground reference |
| Chân 24 | VDD — Positive supply (2.0V to 3.3V) |
| Chân 25 | RD0 — PORTD bit 0 |
| Chân 26 | RD1 — PORTD bit 1 |
| Chân 27 | RD2 — PORTD bit 2 |
| Chân 28 | RD3 — PORTD bit 3 |
| Chân 29 | RD4 — PORTD bit 4 |
| Chân 30 | RD5 — PORTD bit 5 |
| Chân 31 | RD6 — PORTD bit 6 |
| Chân 32 | RD7 — PORTD bit 7 |
| Chân 33 | VSS — Ground reference |
| Chân 34 | VDD — Positive supply (2.0V to 3.3V) |
| Chân 35 | RE0 — PORTE bit 0 / analog |
| Chân 36 | RE1 — PORTE bit 1 / analog |
| Chân 37 | RE2 — PORTE bit 2 / analog |
| Chân 38 | RE3 — PORTE bit 3 / analog |
| Chân 39 | RE4 — PORTE bit 4 / analog |
| Chân 40 | RE5 — PORTE bit 5 / analog |
| Chân 41 | RE6 — PORTE bit 6 / analog |
| Chân 42 | RE7 — PORTE bit 7 / analog |
| Chân 43 | VSS — Ground reference |
| Chân 44 | VDD — Positive supply (2.0V to 3.3V) |
| Chân 45 | RF0 — PORTF bit 0 / analog |
| Chân 46 | RF1 — PORTF bit 1 / analog |
| Chân 47 | RF2 — PORTF bit 2 / analog |
| Chân 48 | RF3 — PORTF bit 3 / analog |
| Chân 49 | RF4 — PORTF bit 4 / analog |
| Chân 50 | RF5 — PORTF bit 5 / analog |
| Chân 51 | RF6 — PORTF bit 6 / analog |
| Chân 52 | RF7 — PORTF bit 7 / analog |
| Chân 53 | VSS — Ground reference |
| Chân 54 | VDD — Positive supply (2.0V to 3.3V) |
| Chân 55 | RG0 — PORTG bit 0 |
| Chân 56 | RG1 — PORTG bit 1 |
| Chân 57 | RG2 — PORTG bit 2 |
| Chân 58 | RG3 — PORTG bit 3 |
| Chân 59 | RG4 — PORTG bit 4 |
| Chân 60 | AVSS — Analog ground |
| Chân 61 | AVDD — Analog positive supply |
| Chân 62 | VCAP — Filter capacitor for internal voltage regulator |
| Chân 63 | NC — Not connected (per datasheet) |
| Chân 64 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
PIC18LF6310T-I/PT phù hợp cho 7 Áp dụngs: Industrial Control Panel HMI, HVAC Thermostat / Building Sensor Hub, White-Goods / Home Appliance Control, Automotive Body & Lighting ECU, Battery-Powered Sensor Node, BLDC / Small Motor Control, Low-End Medical Instrument Controller.
Industrial Control Panel HMI
The PIC18LF6310T-I/PT's 64-pin TQFP delivers 50+ usable I/O lines for keypad scanning, seven-segment or character-LCD drive, status LEDs, and relay outputs typical of industrial HMI panels. The 8 KB Flash accommodates a full state-machine plus menu library, while 768 bytes of RAM handles key debounce buffers and display refresh. The 40 MHz (10 MIPS) core runs a 4 ms keypad scan with negligible CPU loading. NanoWatt XLP sleep currents below 1 uA let the panel survive brown-outs without external RTC. Place the MCU on a 4-layer board with Vcore decoupling within 1 cm of pins 20-32 and a ground-fenced oscillator.
Được đề xuất
HVAC Thermostat / Building Sensor Hub
The PIC18LF6310T-I/PT's LF core runs from a single 3.3V rail - ideal for thermostat and sensor-hub applications drawing power from 2x AA batteries or a 24VAC-derived DC rail. The 10-bit ADC with multiple channels reads thermistor, humidity, and occupancy sensors simultaneously; USART and I2C connect to a Zigbee or LoRa daughter module. NanoWatt XLP sleep draws ~100 nA, enabling 5+ year battery life in duty-cycled sensor mode. The 64-pin TQFP footprint keeps board area to ~10x10 mm. Use the internal 31 kHz LF oscillator for RTC tick to minimize wake energy.
Được đề xuất
White-Goods / Home Appliance Control
Washing machines, dishwashers, and ovens need a robust MCU that can drive triac-gated AC loads, read rotary encoders, and run a safety-watchdog state machine. The PIC18LF6310T-I/PT offers industrial -40C to +85C operation, 64 I/O lines for triac firing, and 8 KB Flash to host the cycle algorithm plus fault logging. The 40 MHz core executes a 1 ms triac zero-cross routine with margin. Internal EEPROM emulation in Flash stores cycle counters and fault codes across power cycles. Place the MCU physically away from the triac bridge with opto-isolated gate drive.
Được đề xuất
Automotive Body & Lighting ECU
Interior lighting, mirror controllers, and accessory modules often use a 3.3V PIC18LF6310T-I/PT for cost reasons. The LF core handles CAN-LIN bus fault recovery (when paired with an external transceiver) and PWM dimming of LED strings at 1 kHz with hardware CCP. Eight KB Flash holds the lighting fade curve library and the fault diagnostic trouble codes. The 64-TQFP gives 50+ I/O for LED driver enable lines. Note: this is NOT an AEC-Q100 part - for under-hood or safety-critical ECUs use a Q-qualified part instead.
Được đề xuất
Battery-Powered Sensor Node
The PIC18LF6310T-I/PT's nanoWatt XLP modes let a sensor node wake every 5 seconds, take an ADC sample, transmit via SPI radio, and return to sleep - all within 10 ms - drawing average current below 50 uA from a CR2032 cell. The LF 2.0V minimum Vdd supports single-cell alkaline designs down to end-of-life voltage. 8 KB Flash hosts the radio driver and sensor compensation tables. The 64-TQFP offers ample GPIO for multi-sensor boards. A 31 kHz LF oscillator provides the wake tick, while the 8 MHz internal oscillator handles active-mode processing.
Được đề xuất
BLDC / Small Motor Control
Small BLDC fans, pumps, and e-bike auxiliary motors can be driven by the PIC18LF6310T-I/PT using its enhanced CCP and 16-bit timer for hardware commutation. The 40 MHz core executes a 6-step trapezoidal commutation loop in < 5 us, leaving margin for current sensing and fault response. 8 KB Flash stores the startup ramp profile, while 768 B RAM holds the speed PI controller state. The 64-TQFP gives independent PWM channels for the three half-bridges plus brake and direction signals. Place shunt resistors on the source side with op-amp conditioning to the ADC.
Được đề xuất
Low-End Medical Instrument Controller
Bedside monitors, infusion pump keypads, and point-of-care devices that do not require IEC 60730 class B software can use the PIC18LF6310T-I/PT as the main user-interface controller. The 8 KB Flash holds the menu and alarm logic, while the 10-bit ADC reads battery voltage and patient-input analog signals. The 64-pin TQFP fits a compact front-panel board. NanoWatt XLP idle extends battery runtime on portable carts. Designers targeting FDA-class II or higher should add a watchdog (e.g. MCP1316) and consider a Q-qualified or medical-specific MCU.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18LF6310T-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 | PIC18LF6310-I/PT | PIC18F6310T-I/PT | PIC18LF6410T-I/PT |
|---|---|---|---|---|
| Brand | 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 |
| Operating Voltage | 2.0 V to 3.3 V | 2.0 V to 3.3 V | 4.2 V to 5.5 V | 2.0 V to 3.3 V |
| Flash Memory | 8 KB | 8 KB | 8 KB | 16 KB |
| RAM | 768 B | 768 B | 768 B | 768 B |
| CPU Speed (max) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) |
| Packaging | Tape & Reel ('T') | Tray | Tape & Reel | Tape & Reel |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- 64-pin TQFP with full PIC18 peripheral set (vsPIC18LF46K22T-I/PT)
- Low-voltage LF core for battery designs (vsPIC18F6310T-I/PT)
- Tape-and-reel suffix for SMT production (vsPIC18LF6310-I/PT)
Ghi chú thiết kế
The PIC18LF6310T-I/PT requires decoupling within 1 cm of every VDD/VSS pin pair (pins 11/10, 24/23, 34/33, 44/43, 54/53). Use a 100 nF X7R ceramic per pair plus a single 10 uF tantalum or ceramic bulk cap on the main 3.3V rail. A separate AVDD/AVSS pair (pins 61/60) feeds the analog domain and should have its own 100 nF + 10 uF filter. Estimated total bulk capacitance for a clean LF core: 5x 100 nF + 1x 10 uF. Follow the layout pattern in the PIC18F6310 datasheet (DS39639) section 2.0 'Guidelines for Getting Started with PIC18'.
The 64-TQFP (10x10 mm) package has 0.5 mm pitch - use 0.25 mm trace/space with a 4-layer stack-up (signal/GND/power/signal) to escape the inner pins. Place the crystal or resonator within 5 mm of pins 13-14 (OSC1/OSC2) and surround the oscillator with a ground fence tied to the analog ground. Keep high-speed digital lines (PWM, SPI clocks) at least 5 mm away from the analog AVDD/AVSS pair. The exposed thermal pad on TQFP-64 is NOT present on this package - thermal dissipation is through the 64 perimeter leads only.
Three common PIC18LF6310T-I/PT design mistakes: (1) Forgetting to pull MCLR (pin 1) high through a 10 kOhm resistor - the part will not run otherwise; (2) Configuring the LF device at 5V - the LF core is rated 2.0V to 3.3V only, exceeding 3.6V will damage the silicon; (3) Driving a crystal without loading capacitors - use 22 pF to GND from each OSC pin per the crystal datasheet. Configuration word settings (4 MHz vs 8 MHz internal oscillator, WDT enable) must be reviewed against the actual hardware for first-time bring-up.
For designs that switch the 64-pin TQFP I/O at high frequency (e.g. SPI > 10 MHz or PWM > 50 kHz), series-terminate each output with 33 ohm to dampen reflections on long traces (> 50 mm). Keep the I/O supply (VDD pins 11/24/34/44/54) star-routed to a common ferrite bead from the 3.3V rail. The analog AVSS pin (60) MUST be tied to the same ground potential as VSS pins; floating AVSS causes ADC channel crosstalk and reference drift up to 5 LSB.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - do not use in automotive safety-critical or under-hood applications. Pb-free (lead-free) and halogen-free per Microchip environmental certification.
