PCM1794设计电路原理图.pdf
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1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2012-4-8 Sheet of
File: X:\E\..\DAC.SchDoc Drawn By:
nRST
1
ZEROL
2
ZEROR
3
LRCK
4
DATA
5
BCK
6
SCKI
7
DGND
8
Vdd
9
SCKO
10
MDO
11
MDI
12
MC
13
nCS
14
MUTE
15
IoutR-
16
IoutR+
17
AGND1
18
Vcom1
19
Vcom2
20
Iref
21
Vcom3
22
Vcc1
23
Vcc2
24
IoutL+
25
IoutL-
26
AGND2
27
Vcc3
28
*1
PCM1738
L/RClk
AudioData
BitClk
SysClk
DGND
D3V3P
16k
R2
Res3
AGND
1
2
3
4
5
P1
AudioFilterCtl
DGND
D3V3P
DGND
104
C4
Cap2
10uF
C3
Cap Pol3
A5VP
A5VP
A5VP
AGND
AGND
IoutCom
IoutL-
IoutL+
IoutR+
IoutR-
10uF
C2
Cap Pol3
104
C5
Cap Pol3
AGND
AGND
A5VP
AGND
10uF
C6
Cap Pol3
10uF
C7
Cap Pol3
D3V3P
33k
R1
Res3
10uF
C1
Cap Pol3
DGND
RST
DAC-PCM
RSTIn
PI0101
PI0102
PI0103
PI0104
PI0105
PI0106
PI0107
PI0108
PI0109
PI01010
PI01011
PI01012
PI01013
PI01014 PI01015
PI01016
PI01017
PI01018
PI01019
PI01020
PI01021
PI01022
PI01023
PI01024
PI01025
PI01026
PI01027
PI01028
CO01
PIC101
PIC102
COC1
PIC201 PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIC501
PIC502
COC5
PIC601
PIC602
COC6
PIC701
PIC702
COC7
PIP101
PIP102
PIP103
PIP104
PIP105
COP1
PIR101
PIR102
COR1
PIR201 PIR202
COR2
PI01023
PI01024
PI01028
PIC601 PIC701
PI01018
PI01027
PIC202
PIC502
PIC602 PIC702
PIR202
PI0109
PIC301 PIC401
PIR102
PI0108
PIC102
PIC302 PIC402
PIP101
PI0102
PI0103
PI0104
POL0RClk
PI0105
POAudioData
PI0106
POBitClk
PI0107
POSysClk
PI01010
PI01011
PIP105
PI01012
PIP104
PI01013
PIP103
PI01014
PIP102
PI01015
PI01016
POIoutR0
PI01017
POIoutR0
PI01019
PIC501
PI01020
POIoutCom
PI01021
PIR201
PI01022
PIC201
PI01025
POIoutL0
PI01026
POIoutL0
PI0101
PIC101
PIR101
NLRST
PORSTIn
POAUDIODATA
POBITCLK
POIOUTCOM
POIOUTL0
POIOUTR0
POL0RCLK
PORSTIN
POSYSCLK
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