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CS4216 датащи(PDF) 12 Page - Cirrus Logic

номер детали CS4216
подробное описание детали  16-Bit Stereo Audio Codec
PDF  58 Pages
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производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS4216 датащи(HTML) 12 Page - Cirrus Logic

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*
†
Sub-frame Bits 17 to 24
17
18
19
20
21
22
23
24
0000
EXP MUTE
ISL
ISR
EXP
Expand bit
Reserved. Must be set to zero.
MUTE Mute D/A Outputs
0 - Normal Outputs
1 - Mute Outputs
ISL
Select Left Input Mux
0 - Select LIN1
1 - Select LIN2
ISR
Select Right Input Mux
0 - Select RIN1
1 - Select RIN2
INPUT DATA BIT DEFINITIONS
Sub-frame bits 1 to 16
Left DAC Audio Data, MSB first, 2’s comple-
ment coded.
Sub-frame Bits 25 to 32
25
26
27
28
29
30
31
32
LG3
LG2
LG1
LG0
RG3
RG2
RG1
RG0
LG3-LG0
Sets left input gain.
LG3 is the MSB. LG0 represents 1.5 dB.
0000 = no gain.
1111 = +22.5 dB gain
RG3-RG0 Sets right input gain.
RG3 is the MSB. RGO represents 1.5 dB.
0000 = no gain
Sub-frame Bits 51 to 60
51
52
53
54
55
56
57
58
59
60
LA4 LA3 LA2 LA1 LA0 RA4 RA3 RA2 RA1 RA0
0
0
LA3 LA2 LA1 LA0 RA3 RA2 RA1 RA0
LA4-LA0
Sets left output attenuation
RA4-RA0 Sets right output attenuation
*SM3,4
LA4 is the MSB.
00000 = no attenuation
11111 = -46.5 dB
†SM1, 2
LA3 is the MSB.
0000 = no attenuation
1111 = -22.5 dB
LA0 represents 1.5 dB.
†SM1, 2
RA3 is the MSB.
0000 = no attenuation
1111 = -22.5 dB
*SM3,4
RA4 is the MSB.
00000 = no attenuation
11111 = -46.5 dB
RA0 represents 1.5 dB.
Sub-frame Bits 61 to 64
61
62
63
64
DO1
DO2
DO3
DO4
DO1-DO4
Set the logic level on the 4 digital output
pins. In SM3 DO3 and DO4 are not
available. In SM4 DO2, DO3, & DO4
are not available.
Sub-frame Bits 33 to 48
Right DAC audio data MSB first, 2’s comple-
ment coded.
DAC - Left Word
00 00
Left
A/D Gain
30
Right
A/D Gain
30
M
In
Sel.
00 00
DAC - Right Word
Left
D/A Att.
30
Right
D/A Att.
30
Sub-frame
Word B
Word A
DAC - Left Word
00 00
Left
A/D Gain
30
Right
A/D Gain
30
M
In
Sel.
SM1 and SM2
SM3
00
DAC - Right Word
Left
D/A Att.
40
Right
D/A Att.
40
XX
Sub-frame
Figure 5. Serial Data Input Format - SM1, SM2, and SM3.
Sub-frame Bits 49 to 50
Must be zero.
CS4216
12
DS83F2



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