参数资料
型号: TSC2301IZQZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA120
封装: GREEN, PLASTIC, VFBGA-120
文件页数: 73/95页
文件大小: 1322K
代理商: TSC2301IZQZR
www.ti.com
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
Bits [13:12] — INML1-INML0
Left Audio ADC Input Multiplexer. These two bits select the analog input for the left channel ADC. The input to
the left channel ADC can come from the microphone input, right line input, left line input, or from a mono mix of
the left and right line inputs. The default input to the left channel ADC is the microphone input.
Table 32. Left Audio ADC Input Selection
INML[1:0]
INML1
INML0
Description
0
ADCL input = MIC (default)
0
1
ADCL input = LLINEIN
1
0
ADCL input = RLINEIN
1
ADCL input = (RLINEIN+LLINEIN)/2
Bits [11:10] — INMR1-INMR0
Right Audio ADC Input Multiplexer. These two bits select the analog input for the right channel ADC. The input to
the right channel ADC can come from the microphone input, right line input, left line input, or from a mono mix of
the left and right line inputs. The default input to the right channel ADC is the microphone input.
Table 33. Right Audio ADC Input Selection
INMR[1:0]
INMR1
INMR0
Description
0
ADCR input = MIC (default)
0
1
ADCR input = LLINEIN
1
0
ADCR input = RLINEIN
1
ADCR input = (RLINEIN+LLINEIN)/2
Bits [9:8] — MICG1-MICG0
Microphone Preamp Gain. These two bits select the gain of the microphone input channel. The gain of the
microphone input channel can be 0 dB, 6 dB, or 12 dB. The default gain of the microphone input channel is 0 dB.
Table 34. Microphone Input Gain Selection
MICG[1:0]
MICG1
MICG0
Description
0
MIC gain = 0 dB (default)
0
1
MIC gain = 0 dB
1
0
MIC gain = 6 dB
1
MIC gain = 12 dB
75
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