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Sheet目录3881

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PIC18F6585/8585/6680/8680

DS30491C-page 138

2004 Microchip Technology Inc.

TABLE 10-9:

PORTE FUNCTIONS

TABLE 10-10: SUMMARY OF REGISTERS ASSOCIATED WITH PORTE

Name

Bit#

Buffer Type

Function

RE0/RD/AD8(2)

bit 0

ST/TTL(1)

Input/output port pin, read control for Parallel Slave Port or

address/data bit 8.

For RD (PSP Control mode):

= Not a read operation

= Read operation, reads PORTD register (if chip selected)

RE1/WR/AD9(2)

bit 1

ST/TTL(1)

Input/output port pin, write control for Parallel Slave Port or

address/data bit 9.

For WR (PSP Control mode):

= Not a write operation

= Write operation, writes PORTD register (if chip selected)

RE2/CS/AD10(2)

bit 2

ST/TTL(1)

Input/output port pin, chip select control for Parallel Slave Port or

address/data bit 10.

For CS (PSP Control mode):

= Device is not selected

= Device is selected

RE3/AD11(2)

bit 3

ST/TTL(1)

Input/output port pin or address/data bit 11.

RE4/AD12(2)

bit 4

ST/TTL(1)

Input/output port pin or address/data bit 12.

RE5/AD13/(2)P1C(3)

bit 5

ST/TTL(1)

Input/output port pin, address/data bit 13 or ECCP1 PWM output C.

RE6/AD14/(2)P1B(3)

bit 6

ST/TTL(1)

Input/output port pin, address/data bit 13 or ECCP1 PWM output B.

RE7/CCP2/AD15(2)

bit 7

ST/TTL(1)

Input/output port pin, Capture 2 input/Compare 2 output/PWM output

(PIC18F8X20 devices in Microcontroller mode only) or

address/data bit 15.

Legend: ST = Schmitt Trigger input, TTL = TTL input

Note 1:

Input buffers are Schmitt Triggers when in I/O or CCP mode, and TTL buffers when in System Bus or PSP

Control mode.

Available in PIC18F8X8X devices only.

On PIC18F8X8X devices, these pins may be moved to RHY or RH6 by changing the ECCPMX

configuration bit.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on:

POR, BOR

Value on

all other

Resets

TRISE

PORTE Data Direction Control Register

1111 1111

PORTE

Read PORTE pin/Write PORTE Data Latch

xxxx xxxx

uuuu uuuu

LATE

Read PORTE Data Latch/Write PORTE Data Latch

xxxx xxxx

uuuu uuuu

MEMCON

EBDIS

—

WAIT1

WAIT0

—

WM1

WM0

0-00 --00

0000 --00

PSPCON

IBF

OBF

IBOV

PSPMODE

—

0000 ----

Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTE.

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