F71872
7.7.2 KBC Configuration Registers
KBC Device Enable Register Index 30h
Bit
Name
R/W Default
Description
7-1 Reserved
KBC_EN
-
-
Reserved
0
R/W
1
0: disable KBC.
1: enable KBC.
When the DTR1# is pulled down. KBC_EN is reset to 0.DTR1# is internal pull
up.
Base Address High Register Index 60h
Bit
Name
R/W Default
R/W
Description
7-0 BASE_ADDR_HI
00h The MSB of KBC command port address. The address of data port is
command port address + 4;
Base Address Low Register Index 61h
Bit
Name
R/W Default
R/W
Description
7-0 BASE_ADDR_LO
60h The LSB of KBC command port address. The address of data port is command
port address + 4.
KB IRQ Channel Select Register Index 70h
Bit
Name
R/W Default
Description
7-4 Reserved
3-0 SELKIRQ
-
-
Reserved.
Select the IRQ channel for keyboard interrupt.
R/W
0h
Mouse IRQ Channel Select Register Index 72h
Bit
Name
R/W Default
Description
7-4 Reserved
3-0 SELMIRQ
-
-
Reserved.
Select the IRQ channel for PS/2 mouse interrupt.
R/W
0h
89
July, 2007
V0.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
