HomedatasheetPIC18F4520-I/PT

PIC18F4520-I/PT Datasheet

28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
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Description

DEVICE OVERVIEW
This document contains device specific information for the following devices:

• PIC18F2420 • PIC18LF2420
• PIC18F2520 • PIC18LF2520
• PIC18F4420 • PIC18LF4420
• PIC18F4520 • PIC18LF4520

This family offers the advantages of all PIC18 micro controllers – namely, high computational performance at an economical price – with the addition of high endurance, Enhanced Flash program memory. On top of these features, the PIC18F2420/2520/4420/4520 family introduces design enhancements that make these microcontrollers a logical choice for many high performance, power sensitive applications.

Power Managed Modes:
• Run: CPU on, peripherals on
• Idle: CPU off, peripherals on
• Sleep: CPU off, peripherals off
• Idle mode currents down to 5.8 µA typical
• Sleep mode current down to 0.1 µA typical
• Timer1 Oscillator: 1.8 µA, 32 kHz, 2V
• Watchdog Timer: 2.1 µA
• Two-Speed Oscillator Start-up

Peripheral Highlights:
• High-current sink/source 25 mA/25 mA
• Three programmable external interrupts
• Four input change interrupts
• Up to 2 Capture/Compare/PWM (CCP) modules, one with Auto-Shutdown (28-pin devices)
• Enhanced Capture/Compare/PWM (ECCP) module (40/44-pin devices only):
  - One, two or four PWM outputs
  - Selectable polarity
  - Programmable dead time
  - Auto-Shutdown and Auto-Restart
• Master Synchronous Serial Port (MSSP) module
supporting 3-wire SPI™ (all 4 modes) and I2C™ Master and Slave Modes
• Enhanced Addressable USART module:
  - Supports RS-485, RS-232 and LIN 1.2
  - RS-232 operation using internal oscillator block (no external crystal required)
  - Auto-Wake-up on Start bit
  - Auto-Baud Detect
• 10-bit, up to 13-channel Analog-to-Digital Converter module (A/D):
 - Auto-acquisition capability
 - Conversion available during Sleep
• Dual analog comparators with input multiplexing)

Flexible Oscillator Structure:
• Four Crystal modes, up to 40 MHz
• 4X Phase Lock Loop (available for crystal and internal oscillators)
• Two External RC modes, up to 4 MHz
• Two External Clock modes, up to 40 MHz
• Internal oscillator block:
  - 8 user selectable frequencies, from 31 kHz to 8 MHz
  - Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL
  - User tunable to compensate for frequency drift
• Secondary oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
  - Allows for safe shutdown if peripheral clock stops

Special Microcontroller Features:
• C compiler optimized architecture:
- Optional extended instruction set designed to optimize re-entrant code
• 100,000 erase/write cycle Enhanced Flash program memory typical
• 1,000,000 erase/write cycle Data EEPROM memory typical
• Flash/Data EEPROM Retention: 100 years typical
• Self-programmable under software control
• Priority levels for interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
• Single-supply 5V In-Circuit Serial Programming™ (ICSP™) via two pins
• In-Circuit Debug (ICD) via two pins
• Wide operating voltage range: 2.0V to 5.5V
• Programmable 16-level High/Low-Voltage

Detection (HLVD) module:
  - Supports interrupt on High/Low-Voltage Detection
• Programmable Brown-out Reset (BOR
  - With software enable option

Features

-
Parameters

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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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