F71869A
This is the NACK error status if a SMBus command is issued. Auto
cleared by next SMBus command.
1
0
SMB_NAC_ERR
SMB_READY
R
R
0
1
0: a SMBus transfer is in process.
1: Ready for next SMBus command.
6.6.111
Bit
SMB Protocol Select – Index EFh
Name
R/W Default
Description
Write “1” to trigger a SMBus transfer with the protocol specified by
SMB_PROTOCOL.
7
SMB_START
W
-
0
-
6-4
Reserved
Reserved.
Select what protocol if a SMBus transfer is triggered.
0001b: send byte.
0010b: write byte.
0011b: write word.
0100b: Reserved.
0101b: block write.
3-0
SMB_PROTOCOL R/W
0
0111b: quick command (write).
1001b: receive byte.
1010b: read byte.
1011b: read word.
1101b: block read.
1111b: Reserved
Otherwise: reserved.
6.7 KBC Registers (CR05)
6.7.1 KBC Device Enable Register ⎯ Index 30h
Bit
Name
R/W Default
Description
7-1
Reserved
-
-
Reserved
0: disable KBC.
1: enable KBC.
0
KBC_EN
R/W
1
6.7.2 Base Address High Register ⎯ Index 60h
Bit Name R/W Default
Description
The MSB of KBC command port address. The address of data port is
command port address + 4;
7-0 BASE_ADDR_HI R/W
00h
6.7.3 Base Address Low Register ⎯ Index 61h
Bit Name R/W Default
Description
110
Oct., 2011
V0.19P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
