82801BA Datasheet, PDF (388/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

SMBus Controller Registers (D31:F3)
12.2 SMBus I/O Registers
Table 12-2. SMB I/O Registers
Offset
00h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh–0Dh
Mnemonic
HST_STS
HST_CNT
HST_CMD
XMIT_SLVA
HST_D0
HST_D1
BLOCK_DB
—
RCV_SLVA
SLV_DATA
—
Register Name/Function
Host Status
Host Control
Host Command
Transmit Slave Address
Host Data 0
Host Data 1
Block Data Byte
Reserved
Receive Slave Address
Slave Data
Reserved
0Eh
SMLINK_PIN_CTL SMLINK Pin Control
0Fh
SMBUS_PIN_CTL SMbus Pin Control
Default
00h
00h
00h
00h
00h
00h
00h
00h
44h
0000h
00h
See
Register
Description
See
Register
Description
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
R/W
R/W
RO
R/W
R/W
12-6
82801BA ICH2 and 82801BAM ICH2-M Datasheet