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DEVICE OVERVIEW

This document contains device specific information for the following devices:

? PIC18F6585 ? PIC18F8585

? PIC18F6680 ? PIC18F8680

PIC18F6X8X devices are available in 64-pin TQFP and 68-pin PLCC packages. PIC18F8X8X devices are available in the 80-pin TQFP package. They are differentiated from each other in four ways:

1. Flash program memory (48 Kbytes for PIC18FX585 devices, 64 Kbytes for PIC18FX680)

2. A/D channels (12 for PIC18F6X8X devices, 16 for PIC18F8X8X)

3. I/O ports (7 on PIC18F6X8X devices, 9 on PIC18F8X8X)

4. External program memory interface (present only on PIC18F8X8X devices)

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

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