STA382BW datasheet(158/172 Pages) STMICROELECTRONICS

tên linh kiện	STA382BW

Giải thích chi tiết về linh kiện	Sound Terminal® 2.1-channel high-efficiency digital audio system

PDF	172 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

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STA382BW

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Doc ID 022783 Rev 1

Table 176.

Manual threshold register 0x2E, 0x2F and 0x5E

7.25

Headphone/Line out configuration register (address 0x55)

ReservedT

Reserved

MTH[21:16]

MTH[15:8]

MTH[7:0]

HPLN

Reserved

MUTE

Reserved

CPFEN

CPOK

ABFAULT

DCROK

Table 177.

Headphone/Line out configuration bits

Bit

R/W

RST

Name

Description

7R/W

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)

5R/W

MUTE

‘1’: HP/Line out muted

‘0’: HP/Line out playing

R/W

CPFEN

‘0’: Charge pump auto enable when unmute

‘1’: Charge pump is always enabled

CPOK

‘0’: Charge pump is not working

‘1’: Charge pump is working and it is OK

ABFAULT

‘0’: No fault on class-AB

‘1’: Overcurrent fault detected on class-AB

DCROK

‘1’: core supply OK

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