PIC18F4685-ISLASHSP datasheet(3/484 Pages) MICROCHIP

3 / 484 page

Preliminary

DS39761B-page 1

PIC18F2682/2685/4682/4685

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 currents down to 0.1

μA typical

• Timer1 Oscillator: 1.1

μA, 32 kHz, 2V

• Watchdog Timer: 2.1

μA

• 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 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 with optional

Extended Instruction Set

• 100,000 Erase/Write Cycle Enhanced Flash

Program Memory typical

• 1,000,000 Erase/Write Cycle Data EEPROM

Memory typical

• Flash/Data EEPROM Retention: > 40 years

• Self-Programmable under Software Control

• Priority Levels for Interrupts

• 8 x 8 Single-Cycle Hardware Multiplier

• Extended Watchdog Timer (WDT):

- Programmable period from 41 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

Peripheral Highlights:

• High-Current Sink/source 25 mA/25 mA

• Three External Interrupts

• One Capture/Compare/PWM (CCP1) module

• Enhanced Capture/Compare/PWM (ECCP1) 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 1.3

- RS-232 operation using internal oscillator

block (no external crystal required)

- Auto-wake-up on Start bit

- Auto-Baud Detect

• 10-Bit, up to 11-Channel Analog-to-Digital

Converter module (A/D), up to 100 ksps:

- Auto-acquisition capability

- Conversion available during Sleep

• Dual Analog Comparators with Input Multiplexing

ECAN Module Features:

• Message bit rates up to 1 Mbps

• Conforms to CAN 2.0B ACTIVE Specification

• Fully Backward Compatible with PIC18XXX8 CAN

modules

• Three Modes of Operation:

- Legacy, Enhanced Legacy, FIFO

• Three Dedicated Transmit Buffers with Prioritization

• Two Dedicated Receive Buffers

• Six Programmable Receive/Transmit Buffers

• Three Full, 29-Bit Acceptance Masks

• 16 Full, 29-Bit Acceptance Filters w/Dynamic

Association

• DeviceNet™ Data Byte Filter Support

• Automatic Remote Frame Handling

• Advanced Error Management Features

Device

Program Memory

Data Memory

I/O

10-Bit

A/D (ch)

CCP1/

ECCP1

(PWM)

MSSP

Comp.

Timers

8/16-bit

Flash

(bytes)

# Single-Word

Instructions

SRAM

(bytes)

EEPROM

(bytes)

SPI

Master

I2C™

PIC18F2682

80K

40960

3328

1024

1/0

1/3

PIC18F2685

96K

49152

3328

1024

1/0

1/3

PIC18F4682

80K

40960

3328

1024

40/44

1/1

1/3

PIC18F4685

96K

49152

3328

1024

40/44

1/1

1/3

28/40/44-Pin Enhanced Flash Microcontrollers with

ECAN™ Technology, 10-Bit A/D and nanoWatt Technology

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