PIC18F242T-E/SO

IC MCU CMOS 40MHz 8K FLSH 28SOIC

DEVICE OVERVIEW

This document contains device specific information for the following devices:

• PIC18F242 • PIC18F442

• PIC18F252 • PIC18F452

These devices come in 28-pin and 40/44-pin packages. The 28-pin devices do not have a Parallel Slave Port PSP implemented and the number of Analog-to Digital A/D converter input channels is reduced to 5. An overview of features is shown in Table 1-1.

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:

  - < 1.6 mA typical @ 5V, 4 MHz

  - 25 µA typical @ 3V, 32 kHz

  - < 0.2 µA typical standby current