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參數(shù)資料
| 型號： | TAS5504PAGRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 68/96頁 |
| 文件大?。?/td> | 1216K |
| 代理商： | TAS5504PAGRG4 |
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Serial Control Interface Register Definitions
64
SLES123 October 2004
TAS5504
6.4
System Control Register 1 (0x03)
Bit D5, D2, D1, and D0 are Don’t Care.
Table 64. System Control Register 1
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
PWM high pass disabled
1
PWM high pass enabled
0
Soft unmute on recovery from clock error
1
Hard unmute on recovery from clock error
1
PSVC Hi-Z enable
0
PSVC Hi-Z disable
6.5
System Control Register 2 (0x04)
Bit D3 and D2 are Don’t Care.
Table 65. System Control Register 2
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
Reserved
0
PWM automute detection enabled
1
PWM automute detection disabled
0
4 Ch device input detection automute enabled
1
4 Ch device input detection automute disabled
0
Unmute threshold 6 dB over input threshold
1
Unmute threshold equal to input threshold
0
No de-emphasis
0
1
De-emphasis for Fs = 32 kHz
1
0
De-emphasis for Fs = 44.1 kHz
1
De-emphasis for Fs = 48 kHz
6.6
Channel Configuration Control Register (0x05X0C)
Channels 1, 2, 3, and 4 are mapped into x05, x06, x0B, and x0C.
Bit D0 is Don’t Care.
Table 66. Channel Configuration Control Registers
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
Disable backend reset sequence for a channel BEErrorRecEn
1
Enable backend reset sequence for a channel
0
Valid does not have to be low for this channel to be reset BEValidRst
1
Valid must be low for this channel to be reset
0
Valid does not have to be low for this channel to be muted BEValidMute
1
Valid must be low for this channel to be muted
0
Normal BEPolarity
1
Switches PWM+ and PWM and invert audio signal
0
Do not remap output to comply with 5182 interface
1
Remap output to comply with 5182 interface
0
Do not go to low low in mute BELowMute
1
Go to low-low in Mute
0
Do not remap Hi-Z state to low-low state BE5111BsMute
1
Remap Hi-Z state to low-low state
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