W83787IF Datasheet, PDF (110/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83877F/787IF/787F
Application Note 2
June 14, 1995
Differences between W83877 and W83787IF/F
Feature Brief
W83877: W83777F + Dummy Plug and Play + IR
W83787IF: W83787F + IR
Description
Illustrates the pins that have different functionality on the W83787F, W83787IF and the
W83877F. The following table lists the pins that differ.
Pin W83787F/777F
1 nRESIDE
2 PDBDIR/nFDCEN
3 PDCIN
4 PDRQX/HPRTM1
18 PRTOE/nPDACKX
23 IRQ7
35 nDTRA/HPRTAS0
36 nRTSA/HPRTAS1
37 IRQ4
38 SOUTA/HURAS1
39 nGMWR/HPRTM0
41 nGMRD/HEFERE
42 SINB
43 SOUTB/HURBS1
44 IRQ3
45 nRTSB/HURBS0
46 nDTRB/HURAS0
91 nDBENL/ABCHG
92 nDBENH/FADSEL
93 nIOCS16
94 nCS0/nIDEEN
95 nCS1/HADSEL
96 IDED7
W83787IF
nRESIDE/IRRX3
PDBDIR/IRTX2/nFDCEN
PDCIN/IRRX2
same as 787
same as 787
same as 787
same as 787
same as 787
same as 787
same as 787
same as 787
same as 787
SINB/IRRX1
SOUTB/IRTX1/HURBS1
same as 787
same as 787
same as 787
nDBENL/nIDBEN/GIOSEL
nDBENH/GIO0/URIRSEL
nIOCS16
nCS0/IRRX4/nIDEEN
nCS1/IRTX3/HADSEL
IDED7/GIO1
W83877F
nRESIDE/IRQ_G
nCS
PDCIN
DRQ_C
nDACK_C
IRQ_E
nDTRA/HEFRAS
nRTSA/PNPCVS
IRQ_D
SOUTA/IRIDE
nGMWR/DRQ_A
nGMRD/nDACK_A
SINB/IRRX1
SOUTB/IRTX1/GMDRQ
IRQ_C
nRTSB/IGIOSEL
nDTRB
nIDBEN/IRQ_H
IRQ_B/GIO0
nIRQIN
nCS0/IRRX2
nCS1/IRTX2
IRQ_A/GIO1
877/787I APN 2
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