w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 118

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

10.7 Logical Device 6 (CIR)
CR30 (Default 0x00)
CR60, CR 61 (Default 0x00)
CR70 (Default 0x00)
10.8
CR30 (Default 0x00)
CR60, CR 61 (Default 0x00, 0x00)
CR62, CR 63 (Default 0x00, 0x00)
CR64, CR 65 (Default 0x00, 0x00)
1~8
CR70 (Default 0x00)
CR72 (Default 0x00)
Bit 7 - 1: Reserved.
Bit 0:
These two registers select CIR I/O base address [0x100:0xFF8] on 8 byte boundary.
Bit 7 - 4: Reserved.
Bit 7 - 1: Reserved.
Bit 0: = 1 Activates the logical device.
These two registers select GP1 I/O base address [0x100:0xFFF] on 1 byte boundary.
These two registers select GP14 alternate function Primary I/O base address [0x100:0xFFx] on
1~8 byte boundary, they are available as you set GP14 to be an alternate function (General
These two registers select GP15 alternate function Primary I/O base address [0x100:0xFFx] on
Purpose Address Decode).
Bit 7 - 4: Reserved.
Bit 3 - 0: These bits select IRQ resource for GP10 as you set GP10 to be an alternate function
Bit 7 - 4: Reserved.
Bit 3 - 0: These bits select IRQ resource for GP11 as you set GP11 to be an alternate function
Bit 3 - 0: These bits select IRQ resource for CIR.
Logical Device 7 (GP I/O Port I)
= 1 Activates the logical device.
= 0 Logical device is inactive.
= 0 Logical device is inactive.
Purpose Address Decode).
byte boundary, they are available as you set GP15 to be an alternate function (General
(Interrupt Steering).
(Interrupt Steering).
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Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1