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STA381BWS датащи(PDF) 160 Page - STMicroelectronics

номер детали STA381BWS
подробное описание детали  Sound Terminal 2.1-channel high-efficiency digital audio system
PDF  174 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BWS датащи(HTML) 160 Page - STMicroelectronics

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Register description: Sound Terminal compatibility
STA381BWS
160/174
DocID018937 Rev 7
Table 174. Manual threshold register 0x2E, 0x2F and 0x5E
7.25
Headphone/Line out configuration register (address 0x55)
D7
D6
D5
D4
D3
D2
D1
D0
ReservedT
Reserved
MTH[21:16]
00000000
D7
D6
D5
D4
D3
D2
D1
D0
MTH[15:8]
00000000
D7
D6
D5
D4
D3
D2
D1
D0
MTH[7:0]
00000000
D7
D6
D5
D4
D3
D2
D1
D0
HPLN
Reserved
MUTE
Reserved
CPFEN
CPOK
ABFAULT
DCROK
00100
NA
NA
NA
Table 175. Headphone/Line out configuration bits
Bit
R/W
RST
Name
Description
7
R/W
0
HPLN
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 a 40 mW output on a
32 ohm load (+/- 3.3 V supply).
1:Line out. When the MVOL+Channel Vol is
0 dBFs, a 0 dBFs input will generate a 2 Vrms output
(+/- 3.3 V supply)
5
R/W
1
MUTE
1: HP/Line out muted
0: HP/Line out playing
3
R/W
0
CPFEN
0: Charge pump auto enable when unmute
1: Charge pump is always enabled
2
R
NA
CPOK
0: Charge pump is not working
1: Charge pump is working and it is OK
1
R
NA
ABFAULT
0: No fault on class-AB
1: Overcurrent fault detected on class-AB
0
R
NA
DCROK
1: core supply OK
Obsolete
Product(s)
- Obsolete
Product(s)



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