PIC18F4620 datasheet(3/390 Pages) MICROCHIP

Part #	PIC18F4620

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

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2004 Microchip Technology Inc.

Preliminary

DS39626B-page 1

PIC18F2525/2620/4525/4620

Power Managed Modes:

• Run: CPU on, peripherals on

• Idle: CPU off, peripherals on

• Sleep: CPU off, peripherals off

• Idle mode currents down to 2.5

µA typical

• Sleep mode current down to 100 nA typical

• Timer1 Oscillator: 1.8

µA, 32 kHz, 2V

• Watchdog Timer: 1.4

µA, 2V typical

• Two-Speed Oscillator Start-up

Flexible Oscillator Structure:

• Four Crystal modes, up to 40 MHz

• 4x Phase Lock Loop (PLL) – 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

8MHz

- 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

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

Peripheral Highlights (Continued):

• 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

• Programmable 16-level High/Low-Voltage

Detection (HLVD) module:

- Supports interrupt on High/Low-Voltage Detection

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 Brown-out Reset (BOR) with

software enable option

-

Device

Program Memory

Data Memory

I/O

10-bit

A/D (ch)

CCP/

ECCP

(PWM)

MSSP

Comp.

Timers

8/16-bit

Flash

(bytes)

# Single-Word

Instructions

SRAM

(bytes)

EEPROM

(bytes)

SPI™

Master

I2C™

PIC18F2525

48K

24576

3986

1024

25

10

2/0

Y

1

2

1/3

PIC18F2620

64K

32768

3986

1024

25

10

2/0

Y

1

2

1/3

PIC18F4525

48K

24576

3986

1024

36

13

1/1

Y

1

2

1/3

PIC18F4620

64K

32768

3986

1024

36

13

1/1

Y

1

2

1/3

28/40/44-Pin Enhanced Flash Microcontrollers with

10-Bit A/D and nanoWatt Technology

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PIC18F4620 Datasheet(PDF) 3 Page - Microchip Technology

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