PIC18F252-I/SO 8-bit PICmicro microcontroller, 32 KB, 40 MHz, SO-28

28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D

High Performance RISC CPU - C compiler optimized architecture/instruction set - Source code compatible with the PIC16 and PIC17 instruction sets - Linear program memory addressing to 32 Kbytes - Linear data memory addressing to 1.5 Kbytes - Up to 10 MIPs operation: - DC - 40 MHz osc./clock input - 4 MHz - 10 MHz osc./clock input with PLL active - 16-bit wide instructions, 8-bit wide data path - Priority levels for interrupts - 8 x 8 Single Cycle Hardware Multiplier

Peripheral Features: - High current sink/source 25 mA/25 mA - Three external interrupt pins - Timer0 module: 8-bit/16-bit timer/counter with 8-bit programmable prescaler - Timer1 module: 16-bit timer/counter - Timer2 module: 8-bit timer/counter with 8-bit period register (time-base for PWM) - Timer3 module: 16-bit timer/counter - Secondary oscillator clock option - Timer1/Timer3 - Two Capture/Compare/PWM (CCP) modules. CCP pins that can be configured as: - Capture input: capture is 16-bit, max. resolution 6.25 ns (TCY/16) - Compare is 16-bit, max. resolution 100 ns (TCY) - PWM output: PWM resolution is 1- to 10-bit, max. PWM freq. @:

8-bit resolution = 156 kHz

10-bit resolution = 39 kHz - Master Synchronous Serial Port (MSSP) module, Two modes of operation: - 3-wire SPI™ (supports all 4 SPI modes) - I2C™ Master and Slave mode - Addressable USART module: Supports RS-485 and RS-232 - Parallel Slave Port (PSP) module

Analog Features - Compatible 10-bit Analog-to-Digital Converter module (A/D) with: - Fast sampling rate - Conversion available during SLEEP - Linearity = 1 LSb - Programmable Low Voltage Detection (PLVD) - Supports interrupt on-Low Voltage Detection - Programmable Brown-out Reset (BOR)

Special Microcontroller Features - 100,000 erase/write cycle Enhanced FLASH program memory typical - 1,000,000 erase/write cycle Data EEPROM memory - FLASH/Data EEPROM Retention: > 40 years - Self-reprogrammable under software control - Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) - Watchdog Timer (WDT) with its own On-Chip RC Oscillator for reliable operation - Programmable code protection - Power saving SLEEP mode - Selectable oscillator options including: - 4X Phase Lock Loop (of primary oscillator) - Secondary Oscillator (32 kHz) clock input - Single supply 5V In-Circuit Serial Programming™ (ICSP™) via two pins - In-Circuit Debug (ICD) via two pins

CMOS Technology: - Low power, high speed FLASH/EEPROM technology - Fully static design - Wide operating voltage range (2.0V to 5.5V) - Industrial and Extended temperature ranges - Low power consumption: - - 25 µA typical @ 3V, 32 kHz -