參數(shù)資料
型號: PCM3052ARTFG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 編解碼器
英文描述: PCM CODEC, PQCC32
封裝: GREEN, PLASTIC, VQFN-32
文件頁數(shù): 33/47頁
文件大?。?/td> 776K
代理商: PCM3052ARTFG4
www.ti.com
DACMSK: DAC Output Control (DAC)
AFI[5:3]: Additional Format Information (DIT)
COPY: Copyright Flag (DIT)
AUDIO: Audio Sample Word Type (DIT)
DITMSK: DIT Output Control (DIT)
PCM3052A
SLES160 – NOVEMBER 2005
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER 77
0
1
0
1
0
1
DACMSK
RSV
AFI5
AFI4
AFI3
COPY AUDIO
DITMSK
Default value: 0
DACMSK = 0
Mask disable (default)
DACMSK = 1
Mask DIN to BPZ level
The DACMSK bit is used to mask DIN to BPZ level. The analog outputs from DAC is forced to BPZ level
immediately. Larger noise may be generated by this control.
Default value: 000 (2 audio channels without pre-emphasis)
The AFI[5:3] bits control bits[5:3] of channel status bits in compliance with IEC958.
Default value: 0 (Asserted)
The COPY bit controls bit[2] of channel status bits in compliance with IEC958.
Default value: 0 (PCM)
The AUDIO bit controls bit[1] of channel status bits in compliance with IEC958.
Default value: 0
DITMSK = 0
Mask disable (default)
DITMSK = 1
Force DOUTS to encoded ZERO status
The DITMSK bit forces only aux and audio sample words on DOUTS to encoded ZERO status. As for validity
and channel status bits, the values in the register are output.
39
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