STW5094A_05 Datasheet, PDF (17/52 Pages) STMicroelectronics – 18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec

STw5094A
Control Register CR2A Functions (Address: 0x02) (Active when MSM=0 and OCE=0 in CR17)
7
6
5
4
3
2
1
0
DRD(7:0)
Function
msb
lsb Data sent to Receive path or Data received from DR input (1)
(1) Significant in companded mode only. CR2A is available only if Master mode and OCK out in CR17 are not enabled (MSM=0 and OCE=0).
Control Register CR2B Functions (Address: 0x02) (Active when MSM=1 or OCE=1 in CR17)
7
6
5
4
3
2
1
0
DIVL(7:0)
Function
msb
lsb Least significant byte of the frequency division factor
for LRCK,SCK and OCK generation.
(1)
(1) CR2B is available only if the Master mode or OCK out in CR17 are enabled (MSM=1 or OCE=1, and SPIM=0).
Control Registers CR3A Functions (Address: 0x03) (Active when MSM=0 and OCE=0 in CR17)
7
6
5
4
3
2
1
0
DXD(7:0)
Function
msb
lsb DX data transmitted
(1)
(1) Significant in companded mode only. CR3A is available only if Master mode and OCK out in CR17 are not enabled (MSM=0 and OCE=0).
Control Registers CR3B Functions (Address: 0x03) (Active when MSM=1 or OCE=1 in CR17)
7
6
5
4
3
2
1
0
DIVH(7:0)
Function
msb
lsb Most significant byte of the frequency division factor
for LRCK, SCK and OCK generation.
(1)
(1) CR3B is available only if the Master mode or OCK out in CR17 are enabled (MSM=1 or OCE=1, and SPIM=0).
Control Register CR4 Functions (Address: 0x04)
7
6
5
4
3
2
1
0
MS(1:0) MB PG
TXA(3:0)
Function
00
01
10
11
Transmit input muted
*
MIC1 Selected
MIC2 Selected
MIC3 Selected
0
MBIAS output disabled
*
1
MBIAS output enabled
0
20dB preamplifier gain
*
1
0dB preamplifier gain
0
0
0
0 0 dB Transmit Amplifier gain
*
0
0
0
1 1.5 dB Transmit Amplifier gain
-
-
-
- Transmit Amplifier in 1.5 dB step
1
1
1
1 22.5 dB Transmit Amplifier gain
*: state at power on initialization
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