sta559bw STMicroelectronics, sta559bw Datasheet - Page 32

• Manufacturer Part Number: sta559bw
• Description: 5-volt, 2-amp, 2.1-channel High-efficiency Digital Audio System Sound Terminal
• Manufacturer: STMicroelectronics

Register description
6.1.6
32/67
PWM speed mode
Table 38.
Distortion compensation variable enable
Table 39.
Zero-crossing volume enable
Table 40.
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.
Configuration register F (addr 0x05)
4
5
6
7
Bit
Bit
Bit
Bit
EAPD
D7
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PWM speed mode
Distortion compensation variable enable
Zero-crossing volume enable
Soft volume update enable
PWDN
0
0
1
1
D6
RST
RST
RST
RST
1
PWMS
DCCV
ZCE
SVE
ECLE
D5
Name
Name
Name
Name
0
Doc ID 18190 Rev 1
LDTE
D4
1
0: normal speed (384 kHz) all channels
1: odd speed (341.3 kHz) all channels
0: use preset DC coefficient
1: use DCC coefficient
1: volume adjustments only occur at digital zero-
crossings
0: volume adjustments occur immediately
1: volume adjustments ramp according to SVUP/SVDW
settings
0: volume adjustments occur immediately
BCLE
D3
1
Description
Description
Description
Description
IDE
D2
1
OCFG1
D1
0
STA559BW
OCFG0
D0
0