HomedatasheetPIC18LF452

PIC18LF452 Datasheet

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

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

 

Features

Parameters


Manufacturer information

MICROCHIP TECHNOLOGY

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.


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