Intel J1850 FH8065301455200 User Manual

Product codes
FH8065301455200
Page of 1272
Datasheet
1123
PCU – System Management Bus (SMBus)
Default: 00h
22.7.14
Notify Device Address Register (SMB_Mem_NDA)—Offset 14h
Access Method
Default: 00h
Type: Memory Mapped I/O Register
(Size: 8 bits)
SMB_Mem_SCMD: [MBARL] + 11h
MBARL Type: PCI Configuration Register (Size: 32 bits)
MBARL Reference: [B:0, D:31, F:3] + 10h
7
4
0
0
0
0
0
0
0
0
0
RSV1
SMBA
LT
DIS
HNW
A
K
EEN
HNINT
R
E
N
Bit 
Range
Default & 
Access
Description
7:3
00000b
RO
Reserved (RSV1): Reserved
2
0b
RW
SMBALTDIS: Software sets this bit to 1 to block the generation of the interrupt or 
SMI# due to the SMB_ALERTB source. This bit is logically inverted and 'AND'ed with the 
SMB_ALERTB bit of HSTS register. The resulting signal is distributed to the SMI# and/or 
interrupt generation logic.
1
0b
RW
HNWAKEEN: Software sets this bit to 1 to enable the reception of a Host Notify 
command as a wake event.
0
0b
RW
HNINTREN: Software sets this bit to 1 to enable the generation of interrupt or SMI 
when HOST_NOTIFY_STS is 1. This enable does not affect the setting of the 
HOST_NOTIFY_STS bit. When the interrupt is generated, either INTRB or SMI is 
generated, depending on the value of the SMI_EN bit (D31, F3, Off40h, B1). If the 
HOST_NOTIFY_STS bit is set when this bit is written to a 1, then the interrupt (or SMI) 
will be generated. The interrupt (or SMI) is logically generated by AND'ing the STS and 
INTREN bits.
Type: Memory Mapped I/O Register
(Size: 8 bits)
SMB_Mem_NDA: [MBARL] + 14h
MBARL Type: PCI Configuration Register (Size: 32 bits)
MBARL Reference: [B:0, D:31, F:3] + 10h
7
4
0
0
0
0
0
0
0
0
0
NDA
RSV
1
Bit 
Range
Default & 
Access
Description
7:1
0000000b
RO
NDA: DEVICE_ADDRESS - This field contains the 7-bit device address received during 
the Host Notify protocol of the SMBus 2.0 specification. Software should only consider 
this field valid when the HOST_NOTIFY_STS bit is set to 1.
0
0b
RO
Reserved (RSV1): Reserved