PIC18LF452 Datasheet PDF - Microchip

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