Silicon Laboratories Si4704 Series Programming Manual page 11

1 3:0 FUNC[3:0]
2 7:0 OPMODE[7:0]
Response (to FUNC = 2, TX)
Bit D7
STATUS CTS
Response (to FUNC = 15, Query Library ID)
Bit D7
STATUS CTS
RESP1
RESP2
RESP3
RESP4
RESP5
RESP6
RESP7
RESP Bit Name
1 7:0 PN[7:0]
2 7:0 FWMAJOR[7:0]
3 7:0 FWMINOR[7:0]
4 7:0 RESERVED[7:0]
5 7:0 RESERVED[7:0]
6 7:0 CHIPREV[7:0]
7 7:0 LIBRARYID[7:0]
Function.
0–1, 3–14 = Reserved.
2 = Transmit.
15 = Query Library ID.
Application Setting
01010000 = Analog audio inputs (LIN/RIN)
00001111 = Digital audio inputs (DIN/DFS/DCLK)
D6 D5 D4
ERR X X
D6 D5 D4
ERR X X
Final 2 digits of part number.
Firmware Major Revision.
Firmware Minor Revision.
Reserved, various values.
Reserved, various values.
Chip Revision.
Library Revision.
Confidential Rev. 0.2
D3 D2
X RDSINT
D3 D2
X RDSINT
PN[7:0]
FWMAJOR[7:0]
FWMINOR[7:0]
RESERVED[7:0]
RESERVED[7:0]
CHIPREV[7:0]
LIBRARYID[7:0]
Function
AN332
D1 D0
ASQINT STCINT
D1 D0
ASQINT STCINT
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