GL640 datasheet(16/39 Pages) ETC

номер детали	GL640

подробное описание детали	IEEE-1284 to USB Bridge

PDF	39 Pages

Scroll/Zoom	100%

производитель	ETC [List of Unclassifed Manufacturers]

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16 / 39 page

Revision 1.1

Jun. 7, 1999

-15-

GL640USB, GL640USB-A

010

1:8

011

1:16

100

1:32

101

1:64

110

1:128

111

1:256

Value on POR: “- - - - 1 1 1 1”

PORT2CON (Address 86h, Port 1 direction control register)

R/W

P1CON3

P1CON2

P1CON1

P1CON0

All Port 1 pins have data direction control bits which can configure these pins as output or input.

Setting a PORT1CON register bit put the corresponding output driver in a hi-impedance mode.

Clearing a bit in the PORT1CON register puts the contents of the output latch on the selected pin.

Value on POR: “- - - - 1 1 1 1”

PORT2CON (Address 87h, Port 2 direction control register)

R/W

P2CON7

P2CON6

P2CON5

P2CON4

P2CON3

P2CON2

P2CON1

P2CON0

All Port 2 pins have data direction control bits which can configure these pins as output or input.

Setting a PORT2CON register bit put the corresponding output driver in a hi-impedance mode.

Clearing a bit in the PORT2CON register puts the contents of the output latch on the selected pin.

Value on POR: “1 1 1 1 1 1 1 1”

7.3 I/O Register Summary

Mnemonic

Address

(Hex)

Description

IODEVCTL

device control for I/O

ENDPCTL

endpoint control

GPI

GPI3-1 register

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