WM8850
Pre-Production
NID
NODE
UNSOLICITED RESPONSE
DESCRIPTION
NAME
BIT
FLAG NAME
Tag
A software programmable tag value. The default value is equal to
the Node ID. Other values can be configured using the Unsolicited
Response Verb.
13h
Port-F
[31:26]
Rsvd
Reserved
[25:2]
[1:0]
SF_PD
Indicates that the Presence Detect value (in the Pin Sense Verb)
has changed.
A change in status triggers an Unsolicited Response (when the
AFG is in power state D0, D1, D2) or it triggers a power state
change request (when the AFG is in power state D3).
The status value is also accessible through the Get Pin Sense
Verb.
Tag
A software programmable tag value. The default value is equal to
the Node ID. Other values can be configured using the Unsolicited
Response Verb.
15h
MIC2
[31:26]
Rsvd
Reserved
[25:1]
[0]
EF_STREAM_DROP Indicates that the stream associated with the MIC2 node has been
dropped due to the bandwidth of the SDI line being
oversubscribed.
Assertion of the flag triggers an Unsolicited Response.
The flag is cleared when the Stream ID is written to.
Tag
A software programmable tag value. The default value is equal to
the Node ID. Other values can be configured using the Unsolicited
Response Verb.
17h S/PDIF Tx 2 [31:26]
Rsvd
Reserved
[25:1]
[0]
EF_STREAM_ERR
Indicates that an error has occurred in the transfer of data from the
HDA Link to the Stream Manager.
Assertion of the flag triggers an Unsolicited Response.
The flag is cleared at the end of the present HDA frame.
Table 34 Unsolicited Response Summary
PP, April 2011, Rev 3.2
84
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
