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W83977ATF Datasheet, PDF (9/207 Pages) Winbond – WINBOND I/O
W83977ATF
PRELIMINARY
1.1 Host Interface, continued
SYMBOL PIN
IRQ6
95
GP34
IRQ7
94
GP35
IRQ8
93
GP36
IRQ9
92
GP37
IRQ10
100
SERIRQ
IRQ11
101
PCICLK
IRQ12
102
GP26
IRQ14
103
GP14
( GPACS )
(P17)
PLEDO
IRQ15
104
GP15
( GPAWE )
I/O
OUT12t
I/O12t
OUT12t
I/O12t
OUT12t
I/O12t
OUT12t
I/O12t
OUT12t
I/O12t
OUT12t
INt
OUT12t
I/O12t
OUT12t
I/O12t
OUT12t
OUT12t
I/O12t
FUNCTION
Interrupt request 6. (Logical device 9, CRF1 bit 2 = 0)
General purpose I/O port 3 bit 4.
(Logical device 9, CRF1 bit 2 = 1)
Interrupt request 7. (Logical device 9, CRF1 bit 2 = 0)
General purpose I/O port 3 bit 5.
(Logical device 9, CRF1 bit 2 = 1)
Interrupt request 8. (Logical device 9, CRF1 bit 2 = 0)
General purpose I/O port 3 bit 6.
(Logical device 9, CRF1 bit 2 = 1)
Interrupt request 9. (Logical device 9, CRF1 bit 2 = 0)
General purpose I/O port 3 bit 7.
(Logical device 9, CRF1 bit 2 = 1)
Interrupt request 10. (Logical device 9, CRF1 bit 2 = 0)
Serial IRQ input/output. (Logical device 9, CRF1 bit 2 = 1)
Interrupt request 11. (Logical device 9, CRF1 bit 2 = 0)
PCI clock input. (Logical device 9, CRF1 bit 2 = 1)
Interrupt request 12. (Logical device 9, CRF1 bit 2 = 0)
General purpose I/O port 2 bit 6.
(Logical device 9, CRF1 bit 2 = 1)
Interrupt request 14. (CR2C bit 1_0 = 00, default)
General purpose I/O port 1 bit 4. (CR2C bit 1_0 = 01)
Alternate Function 1 from GP14: General purpose address
decode output.
Alternate Function 2 from GP14: KBC P17 I/O port.
Power LED output. (CR2C bit 1_0 = 10)
Interrupt request 15.(CR2C bit 3_2 = 00, default)
General purpose I/O port 1 bit 5. (CR2C bit 3_2 = 01)
Alternate Function 1 from GP15: General purpose address write
enable output.
(P12)
WDT
CLKIN
Alternate Function 2 from GP15: KBC P12 I/O port.
OUT12t Watch-Dog timer output. (CR2C bit 3_2 = 10)
1
INt 24 or 48 MHz clock input, selectable through CR24 bit 6.
Publication Release Date: April 1998
-8-
Revision 0.52