PIC16LF818T-I/SO
PIC16LF818T-I/SO - 8-bit MCU 1.75KB Flash 10MHz SOIC-18 | Microchip
The Microchip Technology PIC16LF818T-I/SO is an 8-bit PIC16-family flash microcontroller delivering 10 MIPS performance from a 1.75 KB (1K x 14) program memory and 128 bytes of SRAM, housed in an 18-pin SOIC (SO) package rated 1.8 V to 3.6 V with industrial -40C to +85C temperature range. Its core features include a 20 MHz maximum clock source, 16 programmable digital I/O lines, integrated 10-bit ADC, PWM, I2C/SPI/USART communication, internal 8 MHz oscillator, and 128 bytes of EEPROM data memory, supporting a total of 25 I/O-related pins in the larger package option. The 'LF' prefix denotes the low-voltage (F) process variant optimized for battery-powered operation, while the 'T' suffix indicates tape-and-reel packaging and 'I' marks the industrial temperature grade.
Background — what is a PIC16 microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU core, non-volatile program memory (Flash), working RAM, EEPROM data memory, digital I/O, and on-chip peripherals such as timers, ADC, and serial interfaces. The PIC16 family uses Microchip's RISC architecture with only 35 single-word instructions, executing most instructions in 200 ns at 20 MHz clock, and is widely used in cost-sensitive embedded control where deterministic behavior and low power matter more than raw compute throughput. The PIC16LF818 specifically sits in the PIC16 mid-range family offering 14-bit instruction words, ADC, and enhanced peripherals.
Key features include 1.75 KB Flash, 128 B SRAM, 128 B EEPROM, 10-bit multi-channel ADC, two PWM modules, a USART, an SSP supporting SPI and I2C (master/slave), two 8-bit timers plus one 16-bit timer, internal 8 MHz oscillator, and in-circuit serial programming (ICSP). The 16-pin I/O budget in the 18-SOIC package provides ample connectivity for sensors, switches, LEDs, and serial peripherals.
The PIC16LF818 employs a Harvard-architecture RISC core with separate program and data buses, single-cycle hardware multiply via the 8x8 hardware multiplier, and an internal PLL-free clock tree selectable between INTOSC and external crystal/RC. Its nanoWatt technology provides multiple idle/sleep modes with wake-on-interrupt, and the LF process delivers low quiescent current for battery-powered IoT endpoints.
Typical applications include battery-powered sensor nodes, low-end consumer electronics, simple motor-control BLDC/PWM drivers, USB-to-UART bridge front-ends, LED controllers, and industrial sensor interfaces. The combination of Flash, EEPROM, ADC and serial peripherals allows compact single-chip implementations.
When designing with this device, ensure that the application firmware budget fits within 1.75 KB Flash and 128 B SRAM — code and stack overflow will halt the part. Use the ICSP interface for field updates; reserve pins RA0/RA1 or RB6/RB7 to avoid contention with the in-circuit programmer during code development. Confirm the supply rail stays within 1.8-3.6 V and that decoupling capacitors are placed within 5 mm of VDD/SS pins.
询价
联系我们