PIC18LF2510T-I/SO - 8-bit 25MHz 32KB Flash MCU | Microchip
MPN： PIC18LF2510T-I/SO ✓ 啟用中PIC18LF2510T-I/SO 概覽
What is an 8-bit microcontroller? An 8-bit MCU (microcontroller unit) is a small computer-on-a-chip that combines a CPU, RAM, Flash/ROM program memory, and peripherals (ADC, timers, UART, I/O) on a single die. It belongs to the broader hierarchy of microcontroller -> embedded controller -> microprocessor -> integrated circuit -> semiconductor. The 8-bit data path is optimal for cost-sensitive, low-power control tasks where deterministic behaviour and ease of programming outweigh raw throughput.
Key features include a 10-bit ADC with up to 16 input paths, nanoWatt Technology for power-managed sleep modes, an enhanced 16-bit instruction set with 16-bit-wide instructions, and Microchip's ICD (in-circuit debugger) support. The Flash memory is self-programmable, enabling field firmware updates. The SOIC-28 footprint offers robust mechanical handling and easy hand-soldering for prototyping.
The PIC18LF2510 uses Microchip's Harvard-architecture RISC core with a 16-bit instruction word and 8-bit data path, two address spaces, hardware multiplier, and priority-level interrupts. NanoWatt Technology provides idle, sleep, and low-power modes that drop current consumption dramatically between active intervals, making the device attractive for battery-powered or energy-harvesting designs.
Typical applications include industrial sensor interfaces, motor-control front-ends, low-cost instrumentation, automotive body electronics (non-safety), and consumer appliance controls. The 16 ADC channels suit multi-sensor acquisition nodes. When designing with this device, ensure that the supply decoupling network places a 100 nF capacitor adjacent to VDD and a bulk capacitor on the AVdd rail to keep ADC noise within datasheet limits.
直接替換替代品，適用於 PIC18LF2510T-I/SO — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC18LF2510T-I/SO （相同外形與佔位） — 差異在於 Package, ADC, Core Architecture, Operating Temperature, Timers.
PIC18LF2510-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18F2510-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18F2510T-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18F25K22-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18LF24J10-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18LF24K22-I/SO
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18LF2510T-I/SO 最大額定值與電氣特性
| Core | PIC18 (8-bit RISC) |
| Maximum Clock Speed | 25 MHz |
| Program Memory | 32 KB Flash |
| RAM | 1.5 KB |
| EEPROM | 256 bytes |
| Supply Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 16 |
| ADC | 10-bit, up to 16 channels |
| 封裝 | 28-pin SOIC (SO) - wide body |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40 C to +85 C (Industrial) |
| MSL 等級 | 1 (unlimited floor life) |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
| Power-Saving Technology | nanoWatt Technology |
PIC18LF2510T-I/SO 腳位配置
| 腳位 1 | MCLR — Master Clear (reset) input, active low |
| 腳位 2 | RA0 — PORTA bit 0 / AN0 |
| 腳位 3 | RA1 — PORTA bit 1 / AN1 |
| 腳位 4 | RA2 — PORTA bit 2 / AN2 / Vref- |
| 腳位 5 | RA3 — PORTA bit 3 / AN3 / Vref+ |
| 腳位 6 | RA4 — PORTA bit 4 / T0CKI |
| 腳位 7 | RA5 — PORTA bit 5 / AN4 / SS |
| 腳位 8 | RA6 — PORTA bit 6 / OSC2 |
| 腳位 9 | RA7 — PORTA bit 7 / OSC1 |
| 腳位 10 | Vss — Ground reference |
| 腳位 11 | Vdd — Positive supply voltage |
| 腳位 12 | RB0 — PORTB bit 0 / INT0 |
| 腳位 13 | RB1 — PORTB bit 1 / INT1 |
| 腳位 14 | RB2 — PORTB bit 2 |
| 腳位 15 | RB3 — PORTB bit 3 |
| 腳位 16 | RB4 — PORTB bit 4 |
| 腳位 17 | RB5 — PORTB bit 5 / PGM |
| 腳位 18 | RB6 — PORTB bit 6 / PGC |
| 腳位 19 | RB7 — PORTB bit 7 / PGD |
| 腳位 20 | Vss — Ground reference |
| 腳位 21 | Vdd — Positive supply voltage |
| 腳位 22 | RC0 — PORTC bit 0 / T1OSO |
| 腳位 23 | RC1 — PORTC bit 1 / T1OSI / CCP2 |
| 腳位 24 | RC2 — PORTC bit 2 / CCP1 |
| 腳位 25 | RC3 — PORTC bit 3 / SCK / SCL |
| 腳位 26 | RC4 — PORTC bit 4 / SDI / SDA |
| 腳位 27 | RC5 — PORTC bit 5 / SDO |
| 腳位 28 | RC6 — PORTC bit 6 / TX / CK |
| 腳位 29 | RC7 — PORTC bit 7 / RX / DT |
典型應用
PIC18LF2510T-I/SO 適用於 7 應用s: Industrial Sensor Interface Node, Low-Cost Motor Control (BLDC / Stepper Front-End), Consumer Appliance Control Board, Battery-Powered Data Logger, Automotive Body Electronics (Non-Safety), USB / Serial HID Peripherals, Educational / Hobby Embedded Platform.
Industrial Sensor Interface Node
The PIC18LF2510T-I/SO suits multi-channel sensor interface nodes where up to 16 analog inputs are digitised by its 10-bit ADC. The 25 MIPS performance handles linearisation, filtering, and protocol conversion in real time. The 2.0-5.5 V supply lets a single rail power both the MCU and the analog front-end, simplifying 4-20 mA loop designs. nanoWatt Technology drops idle current between conversions for energy-limited installations.
推薦
Low-Cost Motor Control (BLDC / Stepper Front-End)
The PIC18LF2510T-I/SO can act as the front-end controller for small BLDC or stepper motor drivers, generating commutation timing, PWM, and tacho feedback using its CCP module and 16-bit timers. The 25 MIPS throughput is sufficient for sensorless trapezoidal commutation at modest RPM. Use the 5 V I/O to drive logic-level gate drivers such as the Microchip MCP series without level shifters.
推薦
Consumer Appliance Control Board
For washing machines, microwave ovens, and small kitchen appliances, the PIC18LF2510T-I/SO offers the right balance of cost, peripheral set, and Flash capacity. The 32 KB Flash holds user-interface state machines, the 10-bit ADC reads temperature and water level sensors, and the USART drives the appliance display. The wide Vdd tolerance allows direct connection to rectified mains supplies with simple regulation.
推薦
Battery-Powered Data Logger
The PIC18LF2510T-I/SO fits low-duty-cycle data loggers thanks to nanoWatt Technology, which reduces current to the nanoamp range during sleep. The 256-byte EEPROM stores calibration constants and small log entries without wear on Flash, while 1.5 KB RAM buffers sample sets between wakeups. A typical 3.6 V Li-SOCl2 cell powers a multi-year logger when the MCU sleeps most of the time.
推薦
Automotive Body Electronics (Non-Safety)
For non-safety automotive body functions such as interior lighting, seat controllers, and door modules, the PIC18LF2510T-I/SO provides 16 I/O lines and CAN/USART capability for body-network nodes. Designers should select the automotive-grade PIC18F-K42 or PIC18F-K22 family for AEC-Q100 requirements; the standard 2510 part is appropriate only for non-automotive or pre-production prototypes.
推薦
USB / Serial HID Peripherals
When paired with an external USB bridge such as the MCP2200 or MCP2221, the PIC18LF2510T-I/SO can drive low-cost USB HID peripherals, custom keyboards, or simple data-acquisition probes. The USART provides the bridge link at standard baud rates, while the Flash and RAM handle the protocol stack and HID report buffering. The wide Vdd range tolerates USB-powered 5 V or 3.3 V supplies.
推薦
Educational / Hobby Embedded Platform
The PIC18LF2510T-I/SO is widely supported by Microchip's MPLAB X IDE, the free XC8 compiler, and a large ecosystem of application notes and code examples - making it ideal for university courses, maker projects, and hobbyist prototyping. The 28-pin SOIC is easy to solder by hand or on breakout boards, and ICSP programming is supported via the standard PICKIT connector.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18LF2510T-I/SO — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC18LF2510-I/SO | PIC18F2510-I/SO | PIC18F25K22-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 (SO) | SOIC-28 (SO) - same | SOIC-28 (SO) - same | SOIC-28 (SO) - same |
| Program Memory | 32 KB Flash | 32 KB Flash | 32 KB Flash | 64 KB Flash |
| RAM | 1.5 KB | 1.5 KB | 1.5 KB | 4 KB |
| Maximum Clock Speed | 25 MHz | 25 MHz | 25 MHz | 64 MHz |
| Supply Voltage Range | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 2.3 V to 5.5 V |
| ADC | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 17 channels |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
主要差異化特點
- Wide 2.0 V to 5.5 V supply range (對比PIC18F2510-I/SO)
- 32 KB Flash with self-programmability (對比PIC18F25K22-I/SO)
- Tape-and-reel packaging for high-volume SMT (對比PIC18LF2510-I/SO)
設計說明
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 11 and 21 on SOIC-28), plus a single bulk 10 uF tantalum or ceramic on the main VDD rail. For AVdd (when used), add an LC or ferrite-bead-isolated analog supply with its own 100 nF + 10 uF decoupling pair to keep ADC noise within spec.
MCLR must be pulled high through a 10 kohm resistor for normal operation. ICSP programming requires dedicated connections on RB6 (PGC) and RB7 (PGD) - do not load these pins with heavy external circuitry, or debug/programming will fail. The 2510 is not 5 V-tolerant on all I/O when VDD is below 4.5 V; use current-limiting resistors when driving external 5 V loads.
The 10-bit ADC requires careful PCB layout: keep analog traces short, surround AVss with a clean ground pour, and place the AVdd filter within 10 mm of the AVdd pin. Sample-and-hold acquisition time is affected by source impedance - use an op-amp buffer for sensors with > 2.5 kohm output impedance.
合規資訊
Industrial-grade (I) -40 C to +85 C; not AEC-Q100 qualified; for automotive use select a PIC18F/K-series -Q1 grade variant.
