Cirrus Logic CS4207 - Manual (Page 67)

DS880F4 67
CS4207
6.6.8 Converter Stream, Channel
Get Parameter Command Format:
Set Parameter Command Format:
Response Format:
6.6.9 Converter Format
Get Parameter Command Format:
Set Parameter Command Format:
Response Format:
Bits [15:0] must be programmed by software with the same value programmed into the Stream Descriptor,
so that the data format being transmitted on the link matches what is expected by the consumer of the
data.
If the TYPE is set to Non-PCM, the controller pushes data over the link and is not concerned with format-
ting. The base rate, data type, and number of Words (MULT) to send each valid frame are specified to
control the rate at which the non-PCM data is sent.
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X Node ID = 07h Verb ID = F06h Payload = 00h
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X Node ID = 07h Verb ID = 706h Payload = xxh
Bits Type Default Description
31:8 Read Only 000000h Reserved
7:4 Read/Write 0h
Stream Number (SN): Indicates the stream
number used by the Input Converter. “0h” is
stream 0, “1h” is stream 1, etc.
By convention, stream 0 is reserved and unused
so that converter whose stream number has
been reset to “0h” does not unintentionally
decode data not intended for them.
3:0 Read/Write 0h
Lowest Channel Number (LCN): Indicates the
lowest channel used by the Input Converter. The
stereo converter will use this LCN value plus 1
for its left and right channel.
Bits [31:28] Bits [27:20] Bits [19:16] Bits [15:0]
CAd = X Node ID = 07h Verb ID = Ah Payload = 0000h
Bits [31:28] Bits [27:20] Bits [19:16] Bits [15:0]
CAd = X Node ID = 07h Verb ID = 2h Payload = xxxxh
Bits Type Default Description
31:16 Read Only 0000h Reserved
15 Read/Write 0b
Stream Type (TYPE): If TYPE is non-zero, the
other bits in the format structure have other
meanings.
0: PCM
1: Non-PCM