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CS4294 데이터시트(PDF) 23 Page - Cirrus Logic

부품명 CS4294
상세설명  SoundFusion Audio/Docking Codec 97 (AMC 97)
PDF  42 Pages
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제조업체  CIRRUS [Cirrus Logic]
홈페이지  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS4294 데이터시트(HTML) 23 Page - Cirrus Logic

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CS4294
DS326PP4
23
6.1.11 Extended Audio ID (Index 28h)
ID[1:0]
Codec configuration ID. Primary is 00; Secondary is 01,10,or 11. This is a reflection of the ID[1:0]# con-
figuration pins. The state of the ID# pins are determined at power-up and are the inverse of the ID bits
in this register.
LDAC
PCM LFE DAC. Indicates a LFE DAC is supported.
SDAC
PCM Surround DAC. Indicates a Surround DAC is supported.
CDAC
PCM Center DAC. Indicates a Center DAC is supported.
VRA
Variable Rate Audio. This bit is clear indicating variable sample rates are not supported.
Read-only data
Mode 0
x000h. Where x is determined by the state of ID[1:0] input pins.
Mode 1
x1C0h.
6.1.12 Extended Audio Status/Control (Index 2Ah)
CDAC
PCM Center DAC Ready. When set, the Center DAC is ready.
LDAC
PCM LFE DAC Ready. When set, the LFE DAC is ready.
SDAC
PCM Surround DAC Ready. When set, the Surround DACs are ready.
PRI
PCM Center DAC Disable. When set, the Center DAC is disabled.
PRJ
PCM Surround DAC Disable. When set, the Surround DAC is disabled.
PRK
PCM LFE DAC Disable. When set, the LFE DAC is disabled.
Default
Mode 0
0000h
Mode 1
01C0h
CDAC, LDAC, and SDAC are read only bits.
6.1.13 PCM Front DAC Rate (Index 2Ch)
SR[15:0]
Front DAC Sample Rate.
Default
Read-only value BB80h, indicating 48 kHz sample rate.
6.1.14 PCM Surround DAC Rate (Index 2Eh)
SR[15:0]
Surround DAC Sample Rate.
Default
Read-only value BB80h, indicating 48 kHz sample rate.
Mode
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0ID1
ID0
VRA
1
ID1
ID0
LDAC SDAC CDAC
VRA
Mode
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
000000000
1
0
PRK
PRJ
PRI
0
0
LDAC
SDAC
CDAC
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
SR15
SR14
SR13
SR12
SR11
SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
SR15
SR14
SR13
SR12
SR11
SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0



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