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© Andigilog, Inc. 2006
www.andigilog.com
December 2006 - 70A05012
aSC7531A / aSC7531B
Device Interface Field (1-byte)
The vendor sets to ‘1’, bit positions in this field in the event the device supports higher layer protocols that are industry specific using
Table 5.
Value = 0x02
Bit
Protocol
Meaning
7
-
Reserved for future use , must be set = ‘0’
6
-
Reserved for future use , must be set = ‘0’
5
IPMI
Device supports additional access and capabilities per the IPMI specification.
4
ASF
Device supports additional access and capabilities per the ASF specification.
3
Serial-ATA
Device supports additional access and capabilities per the serial-ATA specification.
2
PCI-Express
Device supports additional access and capabilities per the PCI Express
specification.
1
SST
Device supports additional access and capabilities per the SST Functional
Descriptor Specification (to be published at a future date).
0
OEM
Device supports vendor-specific additional access and capabilities per the Vendor
ID and Device ID.
Table 5. Device Interface Field
Function Interface Field (1-byte)
This field provides a mechanism for a device to pass higher-layer SST device-specific information.
Value = 0x00
Device Interface Extension Field (1-byte)
This field is used to provide additional information about the device to the upper layers of software.
Value = 0x00
Reserved Field (3-bytes)
Value = 0x00 0x00 0x00
Vendor Specific ID Field (1-byte)
This field is set by the vendor in a way that uniquely identifies this device apart from all others with an otherwise common DIB
content.
Value = 0x00 – For Fixed address devices this field may be set to zero.
Client Device Address (1-byte)
SST Client Device Address is set according to the connection of the ADD0 pin. The combination part appears to software as two
sensors, a simple temperature and a simple voltage sensor residing at the same address. Float is defined as an unconnected pin.
ADD0
Address
Ground
0x48
Float
0x49
VDD
0x4A
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