參數(shù)資料
型號(hào)： TSC2302IRGZRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝： GREEN, PLASTIC, VQFN-48
文件頁數(shù)： 71/85頁
文件大小： 1483K
代理商： TSC2302IRGZRG4
www.ti.com
www.ti.com
TSC2302
SLAS394 – JULY 2003
Bit 14 — AVPD
Audio VCM Power Down. If this is set to 1, the VCM powers 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 s 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 ADCs. The line inputs, Mic preamp, left channel ADC multiplexer and left
channel 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
Left Channel ADC Power Down. This is used to power up (set to 0) or power down (set to 1) the entire left
channel ADC. The line inputs, Mic preamp, left channel ADC multiplexer and left channel volume control all
automatically power up when the left channel ADC is powered up. The default is 1 (powered down).
Bit 8 — ADPDR
Right Channel ADC Power Down. This is used to power up (set to 0) or power down (set to 1) the entire right
channel ADC. The line inputs, Mic preamp, right channel ADC multiplexer and right channel volume control all
automatically power up when the right channel ADC is powered up. 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 41. 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 42. Microphone Bias Power Down
OSCC
DESCRIPTION
0
Microphone bias is on.
1
Microphone bias is off (default).
73
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