sta381bws STMicroelectronics, sta381bws Datasheet - Page 95
sta381bws
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
Datasheet
1.STA381BWS.pdf
(168 pages)
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STA381BWS
6.33
Table 90.
Headphone/Line out configuration register (address 0x66)
Table 91.
Bit
7
3
2
1
0
HPLN
D7
0
HSEL[1:0]
R/W
R/W
R/W
00
01
10
11
R
R
R
Zero-detect hysteresis
Headphone/Line out configuration bits
Reserved
D6
0
RST
NA
NA
NA
0
0
Reserved
D5
1
Doc ID 018937 Rev 2
ABFAULT
DCROK
CPFEN
CPOK
Name
HPLN
Reserved
D4
0
Equivalent input level hysteresis(dB)
When F3X is connected to the internal HP/Line
driver this bit selects the gain of the F3X->analog
out path.
‘0’: HP out. When the MVOL+Channel Vol is
0 dBFs, a 0 dBFs input will generate 40 mW
output on 32 ohm load (+/- 3.3V supply).
‘1’: Line out. When the MVOL+Channel Vol is
0 dBFs, a 0 dBFs input will generate 2 Vrms
output (+/- 3.3 V supply)
‘0’: Charge pump auto-enable when unmute
‘1’: Charge pump is always enabled
‘0’: Charge pump is not working
‘1’: Charge pump is working and it is OK
‘0’: No fault on Class AB
‘1’: Overcurrent fault detected on class AB
‘1’: Core supply OK
CPFEN
D3
0
3
4
5
6
Register description: New Map
CPOK
D2
NA
Description
ABFAULT
NA
D1
DCROK
NA
D0
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