Rainbow Electronics AT73C246 - Manual (Page 97)

97
11050A–PMAAC–07-Apr-10
AT73C246
Name: AUDIO_CONTROL
Access: Read / Write
Address: 0x11
7 6 5 4 3 2 1 0
- BCLKINV DCBLOCK ENCONF
CUST_CO
NF
ENASR ASR_TIME
Table 13-26. AUDIO_CONTROL (0x11) Structure
Bit Name Description Reset value
7 - - 0
6 BLCKINV
Bit clock inversion on I 2 S port
0: not inverted
1: inverted 0
5 DCBLOCK
Headphone output coupling configuration
0: DC coupled (capless operation)
1: AC coupled
0
4 ENCONF
Custom configuration enable
0: Default value.
1: custom configuration is send to audio
controller.
0
3 CUST_CONF
Custom audio configuration
0: Audio path are set with PATH_SEL
1: Custom audio path set by software
0
2 ENASR
Gain soft ramping ON / OFF
0: OFF
1: ON
1
1:0 ASR_TIME Gain soft ramping timing selection 11
Table 13-27. Gain Soft Ramping Timing Selection Table
ASR_TIME Timing
00 MCLK / (32 x 512)
01 MCLK / (64 x 512)
10 MCLK / (128 x 512)
11 MCLK / (256 x 512)