18F8680 datasheet(3/496 Pages) MICROCHIP

3 / 496 page

 2004 Microchip Technology Inc.

DS30491C-page 1

PIC18F6585/8585/6680/8680

High-Performance RISC CPU:

• Source code compatible with the PIC16 and

PIC17 instruction sets

• Linear program memory addressing to 2 Mbytes

• Linear data memory addressing to 4096 bytes

• 1 Kbyte of data EEPROM

• 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

• 31-level, software accessible hardware stack

• 8 x 8 Single-Cycle Hardware Multiplier

External Memory Interface

(PIC18F8X8X Devices Only):

• Address capability of up to 2 Mbytes

• 16-bit interface

Peripheral Features:

• High current sink/source 25 mA/25 mA

• Four external interrupt pins

• Timer0 module: 8-bit/16-bit timer/counter

• Timer1 module: 16-bit timer/counter

• Timer2 module: 8-bit timer/counter

• Timer3 module: 16-bit timer/counter

• Secondary oscillator clock option – Timer1/Timer3

• One Capture/Compare/PWM (CCP) module:

- 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

• Enhanced Capture/Compare/PWM (ECCP) module:

- Same Capture/Compare features as CCP

- One, two or four PWM outputs

- Selectable polarity

- Programmable dead time

- Auto-shutdown on external event

- Auto-restart

• Master Synchronous Serial Port (MSSP) module

with two modes of operation:

- 3-wire SPI™ (supports all 4 SPI modes)

-I2C™ Master and Slave mode

• Enhanced Addressable USART module:

- Supports RS-232, RS-485 and LIN 1.2

- Programmable wake-up on Start bit

- Auto-baud detect

• Parallel Slave Port (PSP) module

Analog Features:

• Up to 16-channel, 10-bit Analog-to-Digital

Converter module (A/D) with:

- Fast sampling rate

- Programmable acquisition time

- Conversion available during Sleep

• Programmable 16-level Low-Voltage Detection

(LVD) module:

- Supports interrupt on Low-Voltage Detection

• Programmable Brown-out Reset (BOR)

• Dual analog comparators:

- Programmable input/output configuration

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 with dynamic association

• DeviceNet™ data byte filter support

• Automatic remote frame handling

• Advanced Error Management features

Special Microcontroller Features:

• 100,000 erase/write cycle Enhanced Flash

program memory typical

• 1,000,000 erase/write cycle Data EEPROM

memory typical

• 1-second programming time

• 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

• Programmable code protection

• Power saving Sleep mode

• Selectable oscillator options including:

- Software enabled 4x Phase Lock Loop (of

primary oscillator)

- Secondary Oscillator (32 kHz) clock input

• In-Circuit Serial Programming™ (ICSP™) via two pins

• MPLAB® In-Circuit Debug (ICD) via two pins

64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash

Microcontrollers with ECAN Module

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