sta381bws STMicroelectronics, sta381bws Datasheet - Page 46

• Manufacturer Part Number: sta381bws
• Description: Sound Terminal 2.1-channel High-efficiency Digital Audio System Sound Terminal 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Register description: New Map
6.3
6.4
46/168
RESET register (addr 0x02)
Table 17.
After SRESET is written, the last IC acknowledge is skipped and the EAPD bit (reg 0x16 bit
D7) is set to1 instead of the 0 default value obtained after hardware reset.
Soft volume register (addr 0x03)
Table 18.
Values are specified for fs = 48 kHz, 96 kHz or 192 kHz.
Bit
Reserved
Reserved
0
Bit
1
0
D7
D7
0
0
R/W
R/W
R/W
R/W
R/W
RESET register
Soft volume register
Reserved
Reserved
D6
D6
0
0
RST
0
RST
Reserved
Reserved
D5
D5
0
0
SRESET
Doc ID 018937 Rev 2
Name
SVOL[1:0]
Name
Reserved
Reserved
D4
D4
0
0
‘0’: normal operation
‘1’: reset the device
Description
00: 30 ms
01: 100 ms (default)
10: 100 ms
11: Soft-mute disabled
Reserved
Reserved
D3
D3
0
0
Reserved
Reserved
Description
D2
D2
0
0
Reserved
D1
D1
0
0
SVOL[1:0]
STA381BWS
SRESET
D0
D0
0
1