DEM-DAI/ASDAC Schematic
2-8
Figure 2−9. DEM-DAI/ASDAC—PCM/DSD1791, PCM1793 Digital Section
(Digital Audio Interface)
U003
74VHC14
U004
74HCT32
U002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
Cd/F1
Cc/F0
Cb/E2
Ca/E1
C0/E0
VD+
DGND
RXP
RXN
FSYNC
SCK
CS12/FCK
U
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VERF
Ce/F2
SDATA
ERF
M1
M0
VA+
AGND
FILT
MCK
M2
M3
SEL
CBL
CS8414
2 4 5 6
1
3
U001
TORX173
(TORX179P)
AGND
BCK
SCLK
CN001
RCA pj
R001
75
C001
0.01uF
C002 0.01uF
C003
10uF
/16V
C005
10uF
/16V
C006
0.1uF
C007
10uF
/16V
C008
0.1uF
C011 0.1uF
R003
47k
R004
470
D001
1SS133
SW004
FP1F-2M
C012
10uF
/16V
C010 0.1uF
R002
470
C009
0.068uF
(C015)
100uF/16V
(CN004)
FFC-48BMEP1
1
2
3
4
5
6
7
Vcc
GND
14
13
12
11
10
9
8
Vcc
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1
2
3
4
5
6
7
8
9
10
Vcc
GND
20
19
18
17
16
15
14
13
12
11
U005
74VHC244
C013 0.1uF
[e-SCLK]
SW001
FT1D-2M
SW005
FT2D-2M
[SCLK]
[BCK]
[LRCK]
[BCK(INV)]
[DATA]
CN006
XB-3-7-20
INT(CS8414)
EXT
DAI select
[LRCK]
[BCK]
[DATA]
[SCLK]
[LRCK]
[BCK]
[DATA]
[SCLK]
[BCK]
3
1
2
GND
OUT
IN
(C016)
0.1uF
(FIL001)
1
C014 0.1uF
1
2
3
4
5
6
7
8
9
10
Vcc
GND
20
19
18
17
16
15
14
13
12
11
U006
74VHC244
1
18
19
CN003
57LE-40360-7700(D3)
SW006
DSS104
RA001
47k x5
V
DD
[ML]
[MC]
[MDI]
[RST-]
LRCK
DATA
MDI
MDO
MC
RST-
ML
[MDO]
1
2
3
4
(L001)
CN002
FFC-2BMEP1
DSD-L
DSD-R
D-BCK
D-SCLK
JP001
FFC-4BMEP1
C017
10uF
/16V
CN007
XB-3-7-20
36
C004
0.1uF
[e-BCK]
[e-LRCK]
[e-DATA]
SW002
FT1D-2M
SW003
FT1D-2M
JP002
FFC-2BMEP1
25
24
48
[e-DA
T
A
]
[e-LRCK]
[e-BCK]
[e-SCLK]
V
CC
2
C008
10uF
/16V