W83977ATF Datasheet, PDF (135/207 Pages) Winbond – WINBOND I/O

Bit 3 - 2: PIN39S1, PIN39S0
= 00 IRRXH
= 01 IRSL0
= 10 GP25
= 11 Reserved
Bit 1 - 0: PIN3S1, PIN3S0
= 00 DRVDEN1
= 01 GP10
= 10 8042 P12
= 11 SCI
CR2B (Default 0x00)
Bit 7 - 6: PIN73S1, PIN73S0
= 00 PANSWIN
= 01 GP23
= 10 Reserved
= 11 Reserved
Bit 5: PIN72S
= 0 PANSWOUT
= 1 GP22
Bit 4 - 3: PIN70S1, PIN70S0
= 00 SMI
= 01 GP21
= 10 8042 P16
= 11 Reserved
Bit 2 - 1: Reserved.
Bit 0: PIN58S
= 0 KBLOCK
= 1 GP13
CR2C (Default 0x00)
Bit 7 - 6: PIN121S1, PIN121S0
= 00 DRQ0
= 01 GP17
= 10 8042 P14
= 11 SCI
Bit 5 - 4: PIN119S1, PIN119S0
= 00 NDACK0
= 01 GP16
= 10 8042 P15
= 11 Reserved
Bit 3 - 2: PIN104S1, PIN104S0
= 00 IRQ15
= 01 GP15
= 10 WDTO
= 11 Reserved
-136 -
W83977ATF
PRELIMINARY
Publication Release Date: Auguest 1997
Revision 0.51