STA333BW_11 Datasheet, PDF (32/67 Pages) STMicroelectronics – 2.1-channel 40-watt high-efficiency digital audio system Sound Terminal®

Register description
STA333BW
PWM speed mode
Table 38. PWM speed mode
Bit R/W RST
Name
4 R/W 0
PWMS
Description
0: normal speed (384 kHz) all channels
1: odd speed (341.3 kHz) all channels
Distortion compensation variable enable
Table 39. Distortion compensation variable enable
Bit R/W RST
Name
Description
5 R/W 0
DCCV
0: use preset DC coefficient
1: use DCC coefficient
Zero-crossing volume enable
Table 40. Zero-crossing volume enable
Bit R/W RST
Name
Description
6 R/W 1
ZCE
1: volume adjustments only occur at digital zero-
crossings
0: volume adjustments occur immediately
The ZCE bit enables zero-crossing volume adjustments. When volume is adjusted on digital
zero-crossings no clicks are audible.
Soft volume update enable
Table 41. Soft volume update enable
Bit R/W RST
Name
Description
7 R/W 1
SVE
1: volume adjustments ramp according to SVUP / SVDW
settings
0: volume adjustments occur immediately
6.1.6
Configuration register F (addr 0x05)
D7
EAPD
0
D6
PWDN
1
D5
ECLE
0
D4
LDTE
1
D3
BCLE
1
D2
D1
D0
IDE
OCFG1
OCFG0
1
0
0
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Doc ID 13773 Rev 3