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參數(shù)資料
| 型號： | TSC2300IPAGRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 71/83頁 |
| 文件大?。?/td> | 1268K |
| 代理商： | TSC2300IPAGRG4 |
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TSC2300
SLAS372 — NOVEMBER 2002
Audio Power Down. This bit powers down the entire audio section if set, regardless of the settings of the other bits in
this register. When this bit is cleared, the individual sections of the audio codec still need to be powered up individually.
The settings of the other bits in the register are retained when this bit is set and cleared. The default is 1 (powered
down).
Bit 14 AVPD
Audio VCM Power Down. If this is set to 1, the VCM will power up whenever it is needed (such as when the audio
ADC, DAC, or bypass path is enabled) and powers down when no longer needed. If this bit is set to 0, after an audio
component is powered up and causes VCM to power up, it no longer powers down, even if all audio components are
powered down. This is intended to avoid the 500 msec delay needed for VCM to power up slowly. The default is 1
(powered down).
Bit 13 ABPD
Audio Bypass Path Power Down. This is used to power up (set to 0) or power down (set to 1) the audio bypass path.
The default is 1 (powered down).
Bits 12 HAPD
Headphone Amplifier Power Down. This is used to power up (set to 0) or power down (set to 1) the headphone
amplifier. The default is 1 (powered down).
Bit 11 MOPD
Mono Driver Power Down. This is used to power up (set to 0) or power down (set to 1) the mono output driver. If only
playback of the line or Mic inputs through the mono output is needed, the user need only power up the mono section,
and not the DAC or ADC. The line inputs, Mic preamp, ADC multiplexer and volume control all power up if the mono
output is powered up. The default is 1 (powered down).
Bit 10 DAPD
DAC Power Down. This is used to power up (set to 0) or power down (set to 1) the entire stereo DAC. The default is 1
(powered down).
Bit 9 ADPDL
ADC Power Down. This is used to power up (set to 0) or power down (set to 1) the entire ADC. The line inputs, Mic
preamp, ADC multiplexer and volume control all automatically power up when the ADC is powered up. The default is 1
(powered down).
Bit 8 Reserved
The default is 1 (powered down).
Bit 7 PDSTS
Power Up/Down Done. This read-only bit indicates that all power-up or power-down processes requested are
completed.
Table 43. Power Up/Down Flag
PDSTS
DESCRIPTION
0
Power up/down is not complete
1
Power up/down is complete (default)
Bit 6 MIBPD
Microphone Bias Power Down. This is used to power up (set to 0) or power down (set to 1) the Microphone Bias
Output.
Table 44. Microphone Bias Power Down
OSCC
DESCRIPTION
0
Microphone bias is on (default).
1
Microphone bias is off.
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