W83787IF Просмотр технического описания (PDF) - Winbond

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W83787IF

WINBOND I/O WITH SERIAL-INFRARED SUPPORT

Winbond 

W83787IF

Table 1-2:

SOUTA

HURAS1

L

L

H

H

UART A

DTRB

HURAS0

L

COM4 (2E8)

H

COM3 (3E8)

L

COM1 (3F8) (Default)

H

Disabled

SOUTB

HURBS

L

L

H

H

UART B

RTSB

HURBS0

L

COM3 (3E8)

H

COM4 (2E8)

L

COM2 (2F8) (Default)

H

Disabled

Table 1-3 :

PARALLEL PORT

RTSA

HPRTS1

L

L

H

H

DTRA

HPRTS0

L

H

L

H

LPT3 (3BC)

LPT2 (278)

LPT1 (378) (Default)

Disabled

Note: When the parallel port is disabled, the eight function modes (W83757 mode, EXTFDD mode, EXTADP mode, EXT2FDD

mode, JOYSTICK mode, EPP mode, ECP mode, and ECP/EPP mode) are all inhibited.

Table 1-4 :

PIN

W83787F/777F

1 nRESIDE

2 PDBDIR/nFDCEN

3 PDCIN

42 SINB

43 SOUTB/HURBS1

91 nDBENL/ABCHG

92 nDBENH/FADSEL

93 nIOCS16

94 nCS0/nIDEEN

95 nCS1/HADSEL

96 IDED7

W83787IF

nRESIDE/IRRX3

PDBDIR/IRTX2/nFDCEN

PDCIN/IRRX2

SINB/IRRX1

SOUTB/IRTX1/HURBS1

nDBENL/nIDBEN/GIOSEL

nDBENH/GIO0/URIRSEL

nIOCS16

nCS0/IRRX4/nIDEEN

nCS1/IRTX3/HADSEL

IDED7/GIO1

- 19 -

Publication Release Date:Sep 1995

Revision A1

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