18F8680 datasheet(19/496 Pages) MICROCHIP

19 / 496 page

 2004 Microchip Technology Inc.

DS30491C-page 17

PIC18F6585/8585/6680/8680

PORTE is a bidirectional I/O port.

RE0/RD/AD8

RE0

RD(6)

AD8(3)

211

I/O

TTL

Digital I/O.

Read control for Parallel Slave Port

(see WR and CS pins).

External memory address/data 8.

RE1/WR/AD9

RE1

WR(6)

AD9(3)

110

I/O

TTL

Digital I/O.

Write control for Parallel Slave Port

(see CS and RD pins).

External memory address/data 9.

RE2/CS/AD10

RE2

CS(6)

AD10(3)

I/O

TTL

Digital I/O.

Chip select control for Parallel Slave

Port (see RD and WR).

External memory address/data 10.

RE3/AD11

RE3

AD11(3)

I/O

TTL

Digital I/O.

External memory address/data 11.

RE4/AD12

RE4

AD12(3)

I/O

TTL

Digital I/O.

External memory address/data 12.

RE5/AD13/P1C

RE5

AD13(3)

P1C(7)

I/O

TTL

Digital I/O.

External memory address/data 13.

ECCP1 PWM output C.

RE6/AD14/P1B

RE6

AD14(3)

P1B(7)

I/O

TTL

Digital I/O.

External memory address/data 14.

ECCP1 PWM output B.

RE7/CCP2/AD15

RE7

CCP2(1,4)

AD15(3)

I/O

TTL

Digital I/O.

Capture 2 input/Compare 2 output/

PWM 2 output.

External memory address/data 15.

TABLE 1-2:

PIC18F6585/8585/6680/8680 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

Type

Buffer

Type

Description

PIC18F6X8X PIC18F8X8X

TQFP PLCC

TQFP

Legend: TTL

= TTL compatible input

CMOS

= CMOS compatible input or output

= Schmitt Trigger input with CMOS levels

Analog = Analog input

= Input

= Output

= Power

= Open-Drain (no P diode to VDD)

Note 1:

Alternate assignment for CCP2 in all operating modes except Microcontroller – applies to PIC18F8X8X only.

Default assignment when CCP2MX is set.

External memory interface functions are only available on PIC18F8X8X devices.

CCP2 is multiplexed with this pin by default when configured in Microcontroller mode; otherwise, it is

multiplexed with either RB3 or RC1.

PORTH and PORTJ are only available on PIC18F8X8X (80-pin) devices.

PSP is available in Microcontroller mode only.

On PIC18F8X8X devices, these pins can be multiplexed with RH7/RH6 by changing the ECCPMX

configuration bit.

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