sta381bws STMicroelectronics, sta381bws Datasheet - Page 155

• 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

STA381BWS
Table 174. Headphone/Line out configuration bits.
Bit
7
5
3
2
1
0
R/W
R/W
R/W
R/W
R
R
R
RST
NA
NA
NA
0
1
0
ABFAULT
Doc ID 018937 Rev 2
DCROK
CPFEN
MUTE
CPOK
Name
HPLN
Register description: Sound Terminal compatibility
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 (+/- 3.3 V 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)
‘1’: HP/Line out muted
‘0’: HP/Line out playing
‘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
Description
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