PIC18LF4410-I/PT - 8-Bit 40MHz 16KB Flash MCU | Microchip
料号： PIC18LF4410-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.74 | $57.40 |
| 100 | $5.21 | $521.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.18 | $4,180.00 |
PIC18LF4410-I/PT 概述
What is a PIC18F microcontroller? An 8-bit PIC microcontroller is a Harvard-architecture RISC processor from Microchip Technology that executes one instruction per clock cycle (except branches). It belongs to the broader category of microcontroller -> embedded controller -> semiconductor device, and is widely used in motor control, sensor interfacing, and low-power embedded applications thanks to nanoWatt Technology power-management features.
Key features include a 40 MHz maximum CPU clock (10 MIPS performance), 36 digital I/O pins, a 13-channel 10-bit Analog-to-Digital Converter (ADC), two Enhanced Capture/Compare/PWM (ECCP) modules, two comparators, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), a Master Synchronous Serial Port (MSSP) supporting SPI and I2C, and a 4x Phase-Locked Loop (PLL) multiplier. The LF-prefixed low-voltage core operates from 2.0V to 5.5V.
Architecturally, the PIC18LF4410 uses a 16-bit instruction word with 8-bit data path and 31-level hardware stack, providing deterministic interrupt response. The 10-bit ADC delivers up to 100K samples per second with 13 input channels multiplexed across the package pins. nanoWatt Technology supports multiple idle and sleep modes (Idle, Sleep, Deep Sleep) with sub-microamp standby current.
Typical applications include industrial sensor interface modules, building automation controllers, HVAC damper and valve controls, low-power remote sensor nodes, white-goods user-interface boards, and small consumer appliance main controllers where the 36 I/O count and 16KB Flash are sufficient.
When designing with this MCU, ensure the configuration bits (CONFIG1H through CONFIG5H) are set correctly for oscillator selection (HS, XT, RC, internal oscillator with PLL), watchdog timer state, and low-voltage programming. For power-sensitive designs, leverage nanoWatt Sleep modes with peripheral disable bits; current draw in Sleep with WDT disabled drops below 100 nA.
This page synthesizes distributor pricing, package-compatible PIC18F drop-in alternatives, and practical design notes that complement, but do not replace, the manufacturer datasheet.
直接替换替代料： PIC18LF4410-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC18LF4410-I/PT （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, Timers, ADC, I/O Pins.
快速对比工具——选择替代料号进行并排对比：
PIC18LF4320-I/PT
✅ 直接替换✓ 有现货
$5.9 / 个
查看数据手册 →PIC18LF4410T-I/PT
✅ 直接替换✓ 有现货
$3.81 / 个
查看数据手册 →PIC18LF4420-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.71 / 个
查看数据手册 →PIC18F4410-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18LF4220-I/PT
✅ 直接替换✓ 有现货
$4.42 / 个
查看数据手册 →PIC18LF4410-I/PT 最大额定值与电气特性
| Core Architecture | 8-bit PIC18 RISC, 16-bit instruction word |
| Program Memory (Flash) | 16 KB (8K x 16 instructions) |
| SRAM | 768 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Frequency | 40 MHz (10 MIPS) |
| Supply Voltage Range | 2.0 V to 5.5 V (LF low-voltage core) |
| Digital I/O Pins | 36 |
| ADC | 10-bit, 13 channels, up to 100 ksps |
| Timers | 4 (Timer0/1/2/3) |
| ECCP Modules | 2 (Enhanced Capture/Compare/PWM) |
| Comparators | 2 analog comparators |
| Serial Interfaces | 1x EUSART + 1x MSSP (SPI / I2C) |
| PLL | 4x on-chip Phase-Locked Loop |
| 封装 | 44-pin TQFP (PT), 10x10 mm |
| 工作温度 | -40 C to +85 C (Industrial, I grade) |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 (168 hours) |
| RoHS 状态 | Compliant |
PIC18LF4410-I/PT 引脚配置
| 引脚 1 | RC2/CCP1 — Digital I/O / Enhanced CCP1 PWM output |
| 引脚 2 | RC3/SCK/SCL — Digital I/O / SPI SCK / I2C SCL |
| 引脚 3 | RC4/SDI/SDA — Digital I/O / SPI SDI / I2C SDA |
| 引脚 4 | RC5/SDO — Digital I/O / SPI SDO |
| 引脚 5 | RC6/TX/CK — Digital I/O / EUSART TX / clock |
| 引脚 6 | RC7/RX/DT — Digital I/O / EUSART RX / data |
| 引脚 7 | RD0/PSP0 — Digital I/O / Parallel Slave Port bit 0 |
| 引脚 8 | RD1/PSP1 — Digital I/O / Parallel Slave Port bit 1 |
| 引脚 9 | RD2/PSP2 — Digital I/O / Parallel Slave Port bit 2 |
| 引脚 10 | RD3/PSP3 — Digital I/O / Parallel Slave Port bit 3 |
| 引脚 11 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / external clock input |
| 引脚 12 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 |
| 引脚 13 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| 引脚 14 | RB0/INT0 — Digital I/O / External Interrupt 0 |
| 引脚 15 | RB1/INT1 — Digital I/O / External Interrupt 1 |
| 引脚 16 | RB2/INT2 — Digital I/O / External Interrupt 2 |
| 引脚 17 | RB3/INT3 — Digital I/O / External Interrupt 3 |
| 引脚 18 | RB4/KBI0 — Digital I/O / Keyboard Interrupt bit 0 |
| 引脚 19 | RB5/KBI1 — Digital I/O / Keyboard Interrupt bit 1 |
| 引脚 20 | RB6/KBI2/PGC — Digital I/O / Keyboard Interrupt bit 2 / ICSP clock |
| 引脚 21 | RB7/KBI3/PGD — Digital I/O / Keyboard Interrupt bit 3 / ICSP data |
| 引脚 22 | VDD — Positive supply voltage (2.0V to 5.5V) |
| 引脚 23 | VSS — Ground reference |
| 引脚 24 | RA0/AN0 — Digital I/O / ADC analog input 0 |
| 引脚 25 | RA1/AN1 — Digital I/O / ADC analog input 1 |
| 引脚 26 | RA2/AN2/VREF- — Digital I/O / ADC analog input 2 / ADC negative reference |
| 引脚 27 | RA3/AN3/VREF+ — Digital I/O / ADC analog input 3 / ADC positive reference |
| 引脚 28 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| 引脚 29 | RA5/AN4/SS — Digital I/O / ADC analog input 4 / SPI slave select |
| 引脚 30 | RE0/RD — Digital I/O / Parallel Slave Port read control |
| 引脚 31 | RE1/WR — Digital I/O / Parallel Slave Port write control |
| 引脚 32 | RE2/CS — Digital I/O / Parallel Slave Port chip select |
| 引脚 33 | AVDD — Analog positive supply |
| 引脚 34 | AVSS — Analog ground |
| 引脚 35 | OSC1/RA7 — Crystal oscillator input / digital I/O RA7 |
| 引脚 36 | OSC2/RA6 — Crystal oscillator output / digital I/O RA6 |
| 引脚 37 | RC0 — Digital I/O (alternate function: see pin 11) |
| 引脚 38 | RC1 — Digital I/O (alternate function: see pin 12) |
| 引脚 39 | RD4/PSP4 — Digital I/O / Parallel Slave Port bit 4 |
| 引脚 40 | RD5/PSP5 — Digital I/O / Parallel Slave Port bit 5 |
| 引脚 41 | RD6/PSP6 — Digital I/O / Parallel Slave Port bit 6 |
| 引脚 42 | RD7/PSP7 — Digital I/O / Parallel Slave Port bit 7 |
| 引脚 43 | VSS — Ground reference (second VSS) |
| 引脚 44 | MCLR/VPP/RE3 — Master Clear reset input / programming high voltage / digital I/O RE3 |
典型应用
PIC18LF4410-I/PT 适用于 6 应用s: Industrial Sensor Interface Module, HVAC Damper / Valve Controller, Battery-Powered Remote Sensor Node, White-Goods User Interface Board, Motor Control / Small BLDC Driver, Small Consumer Appliance Main Controller.
Industrial Sensor Interface Module
The PIC18LF4410-I/PT is well suited to multi-signal industrial sensor-interface modules requiring 13 ADC channels and 36 I/O in a compact 10x10 mm TQFP. Its 16 KB Flash is enough for sensor linearization tables, while 768 bytes of SRAM holds moving-average buffers and ring buffers for UART diagnostics. Operating from 2.0-5.5V, it can be powered from a 24V-bus-derived 5V or directly from a 3.3V LDO. The 10-bit ADC at up to 100 ksps is sufficient for 4-20 mA loop sensors and thermistor bridges with proper RC filtering.
推荐
HVAC Damper / Valve Controller
The PIC18LF4410's two Enhanced CCP modules provide two independent PWM channels for proportional damper and valve actuators, while the 10-bit ADC reads 0-10V actuator position feedback. With 36 I/O, multiple triac outputs, opto-isolated digital inputs, and an RS-485 EUSART, the MCU can serve as a single-chip HVAC zone controller. The 2.0V-5.5V supply and -40C to +85C industrial grade support rooftop and basement equipment environments.
推荐
Battery-Powered Remote Sensor Node
For battery-powered sensor nodes, the PIC18LF4410-I/PT's nanoWatt technology enables Sleep currents below 100 nA with WDT disabled, while the 2.0V minimum supply allows operation down to the last drop of a 3V CR2032 cell. The internal 4x PLL drives a 40 MHz core from a 10 MHz crystal, freeing the second EUSART/MSSP for low-duty-cycle sensor readouts (e.g. SPI temperature IC) and a wake-on-interrupt GPIO from a PIR or reed switch. 16 KB Flash supports BLE/Zigbee application sub-layer code when paired with a discrete radio.
推荐
White-Goods User Interface Board
Appliance front-panel user-interface boards (washing machines, dishwashers, microwave ovens) often use the PIC18LF4410 for its 36 I/O that drives 7-segment LED displays, keypads, and rotary encoders while reading NTC temperature sensors and triac-fired heater relays. The 16 KB Flash is comfortable for state-machine firmware with fault diagnostics, and the 256-byte EEPROM stores user cycle preferences and run-time counters across power cycles. The 44-TQFP allows all signals to be routed on a single-sided UI PCB.
推荐
Motor Control / Small BLDC Driver
The PIC18LF4410-I/PT can drive small brushless DC or stepper motors through its two ECCP modules, using one channel as the 6-step commutation timer and the other as a PWM speed command. The 10-bit ADC samples back-EMF or shunt current at up to 100 ksps, while the two analog comparators provide hardware over-current protection with sub-microsecond response. The 16 KB Flash accommodates sensorless start-up routines and PI speed-loop firmware in C18 or XC8.
推荐
Small Consumer Appliance Main Controller
Coffee makers, slow cookers, smart kettles, and similar small consumer appliances fit the PIC18LF4410's profile: 16 KB Flash for multi-stage cook profiles, 36 I/O for keypad, LCD, buzzer, and triac output, and an EUSART for optional WiFi/BLE module debug logging. The 256-byte EEPROM retains last-used presets, and the nanoWatt Sleep mode drops standby consumption below the 0.5 W ErP limit for plug-in appliances.
推荐
推荐产品汇总
工程参考数据： PIC18LF4410-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC18LF4320-I/PT | PIC18LF4410T-I/PT | PIC18LF4420-I/PT | PIC18F4410-I/PT | PIC18LF4220-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same |
| Flash Program Memory | 16 KB | 8 KB | 16 KB | 16 KB | 16 KB | 4 KB |
| SRAM | 768 B | 512 B | 768 B | 768 B | 768 B | 512 B |
| Supply Voltage Range | 2.0 V to 5.5 V (LF) | 2.0 V to 5.5 V (LF) | 2.0 V to 5.5 V (LF) | 2.0 V to 5.5 V (LF) | 4.2 V to 5.5 V (F) | 2.0 V to 5.5 V (LF) |
| Maximum CPU Frequency | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS |
| ADC | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels |
| Digital I/O | 36 | 36 | 36 | 36 | 36 | 36 |
| Operating Temperature | -40 C to +85 C (Industrial) | -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 |
关键差异点
- Lowest-cost 16KB PIC18F MCU in 44-TQFP with industrial temperature （对比 PIC18LF4320-I/PT)
- 100% silicon-compatible Tape-and-Reel packaging variant （对比 PIC18LF4410T-I/PT)
- Lower minimum operating voltage than the F variant （对比 PIC18F4410-I/PT)
设计说明
Estimated: at 40 MHz CPU clock with all peripherals active and 3.3V supply, the PIC18LF4410 core draws approximately 11-15 mA (typical 12 mA per datasheet DC characteristics). In Sleep mode with WDT disabled the supply current drops below 0.1 uA. For battery-powered designs, gate all external sensors through a load switch controlled by a MCU GPIO so they can be powered down in Sleep.
Place a 100 nF decoupling capacitor within 5 mm of each VDD/AVDD pin pair (44-TQFP pins 22/23 and 33/34). Add a 10 uF bulk capacitor near the MCU. Use a star-ground topology with separate analog (AVSS) and digital (VSS) ground returns joined only at the MCU ground pins. Keep the MCLR/VPP line short and add the standard 10 kohm pull-up plus 100 nF-to-ground for ICSP in-circuit programming.
Configuration bits (CONFIG1L through CONFIG5L) MUST be set correctly before code will execute. For a 40 MHz operation, configure FOSC = HS-PLL with PLLEN enabled. For LF low-voltage operation at 3.3V, set BOREN to a level appropriate for your brown-out threshold. The MSSP module in I2C mode requires the SDA/SCL pins to be configured as inputs (TRIS bit set) for the slew-rate control to work correctly.
When routing the 44-TQFP out, escape the inner-row pins (RC0-RC7, RA0-RA5, etc.) using micro vias on a 0.4 mm-pitch BGA escape pattern. Route the OSC1/OSC2 traces as short as possible (under 5 mm) and guard them with a ground pour on both sides to minimize EMI pickup. Place a 4.7 kohm pull-up on both SDA and SCL even when the design does not yet use I2C.
合规信息
RoHS-compliant per Microchip product page. Industrial temperature grade -40C to +85C (I-suffix). Halogen-free status not specified in provided data.