18F8680 datasheet(139/496 Pages) MICROCHIP

부품명	18F8680

상세설명	64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module

PDF	496 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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139 / 496 page

 2004 Microchip Technology Inc.

DS30491C-page 137

PIC18F6585/8585/6680/8680

FIGURE 10-11:

PORTE BLOCK DIAGRAM IN I/O MODE

FIGURE 10-12:

PORTE BLOCK DIAGRAM IN SYSTEM BUS MODE (PIC18F8X8X ONLY)

Peripheral Out Select

Data Bus

WR LATE

WR TRISE

Data Latch

TRIS Latch

RD TRISE

Peripheral Data Out

VDD

VSS

RD PORTE

Peripheral Data In

I/O pin(1)

or WR PORTE

RD LATE

Schmitt

Trigger

Note 1: I/O pins have diode protection to VDD and VSS.

TRIS

Override

Peripheral Enable

TRIS OVERRIDE

Override

Peripheral

RE0

Yes

External Bus

RE1

Yes

External Bus

RE2

Yes

External Bus

RE3

Yes

External Bus

RE4

Yes

External Bus

RE5

Yes

External Bus

RE6

Yes

External Bus

RE7

Yes

External Bus

Instruction Register

Bus Enable

Data/TRIS Out

Drive Bus

System Bus

Control

Data Bus

WR LATE

WR TRISE

RD PORTE

Data Latch

TRIS Latch

RD TRISE

TTL

Input

Buffer

I/O pin(1)

RD LATE

or PORTE

Port

Data

Instruction Read

Note 1: I/O pins have protection diodes to VDD and VSS.

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