Silicon Laboratories Si4704 Series Programming Manual page 30

AN332
Property 0x0101. DIGITAL_INPUT_FORMAT
Configures the digital input format. The CTS bit (and optional interrupt) is set when it is safe to send the next
command. This property may only be set or read when in powerup mode.
Note: DIGITAL_INPUT_FORMAT is supported in FMTX component 2.0 or higher.
Default: 0x0000
Bit D15 D14 D13
Name 0 0 0
Bit Name
15:8 Reserved
7 IFALL
6:3 IMODE[3:0]
2 IMONO
1:0 ISIZE[1:0]
30
D12 D11 D10 D9
0 0 0 0
Always write to 0.
DCLK Falling Edge.
0 = Sample on DCLK rising edge (default).
1 = Sample on DCLK falling edge.
Digital Mode.
2
0000 = I S Mode (default).
0110 = Left-justified mode.
st
1100 = MSB at 1 DCLK rising edge after DFS Pulse.
nd
1000 = MSB at 2 DCLK rising edge after DFS Pulse.
Mono Audio Mode.
0 = Stereo audio mode (default).
1 = Mono audio mode.
Digital Audio Sample Precision.
00 = 16 bits (default)
01 = 20 bits
10 = 24 bits
11 = 8 bits
Confidential Rev. 0.2
D8 D7 D6 D5
0 IFALL IMODE[3:0]
Function
D4 D3 D2 D1
IMONO ISIZE[1:0]
D0