w83627sf Winbond Electronics Corp America, w83627sf Datasheet - Page 115

• Manufacturer Part Number: w83627sf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

CR2A (GPIO multiplexed pin selection register 1. VCC powered. Default 0X7C)
CR2B (GPIO multiplexed pin selection register 2. VCC powered. Default 0xC0)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7 - 6 : Reserved
Bit 5
Bit 4
: Port Select (select Game Port or General Purpose I/O Port 1)
= 0
= 1
: PIN128S
= 0 8042 P12
= 1 GP10
: PIN127S
= 0 8042 P13
= 1 GP11
: PIN126S
= 0 8042 P14
= 1 GP12
: PIN125S
= 0 8042 P15
= 1 GP13
: PIN124S
= 0 8042 P16
= 1 GP14
: PIN120S
= 0 MSO (MIDI Serial data Output)
= 1 IRQIN0 (select IRQ resource through CRF3 bit 3 - 0 of Logical Device 8)
: PIN119S
= 0 MSI (MIDI Serial data Input)
= 1 GP20
: PIN90S
= 0 PLED (PLED0 control bits are in CRF5 bit 7 - 6 of Logical Device 8)
= 1 GP23
: PIN89S
= 0
= 1
Game Port
Enable bit 6 - 2 selection between GP10 ~ GP14 or 8042 KBC P12 - P16 for pin 128
- 124.
WDTO (Watch Dog Timer is controlled by CRF5, CRF6, CRF7 of Logical Device
8)
GP24
- 108 -
Publication Release Date: Nov. 2000
PRELIMINARY
W83627SF
Revision 0.60