W83977F-A Datasheet, PDF (132/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
Bit 4-3 : PIN70S1, PIN70S0
= 00 SMI
= 01 GP21
= 10 8042 P16
= 11 RIC [W83977AF only]
Bit 2-1 : PIN69S1, PIN69S0
= 00 PHRI
= 01 GP20
= 10 Reserved
= 11 Reserved
Bit 0 : PIN58S
= 0 KBLOCK
= 1 GP13
CR2C (Default 0x00)
Bit 7-6 : PIN121S1, PIN121S0
= 00 DRQ0
= 01 GP17
= 10 8042 P14
= 11 nDTRC [W83977AF only]
Bit 5-4 : PIN119S1, PIN119S0
= 00 NDACK0
= 01 GP16
= 10 8042 P15
= 11 nRTSC
Bit 3-2 : PIN104S1, PIN104S0
= 00 IRQ15
= 01 GP15
= 10 WDTO
= 11 IRSL2 [W83977AF only]
Bit 1-0 : PIN103S1, PIN103S0
= 00 IRQ14
= 01 GP14
= 10 PLEDO
= 11 IRSL1 [W83977AF only]
CR2D (Default 0x00)
Test Modes: Reserved for Winbond.
CR2E (Default 0x00)
Test Modes: Reserved for Winbond.
CR2F (Default 0x00)
Test Modes: Reserved for Winbond.
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