DEM-PCM/DSD1792/1794 Schematics
2-7
Schematic and Printed-Circuit Board
Figure 2−6. DEM-PCM/DSD1792/1794 Digital Section
U003
74VHC14
U004
74HCT32
U002
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
1
3
U001
TORX173/179
CN001
RCA
pj
R001
75
C001
0.01uF
C002
0.01uF
C004
0.1uF
C003
10uF
/16V
C005
10uF
/16V
C006
0.1uF
C007
10uF
/16V
C008
0.1uF
C011 0.1 uF
R003
47k
R004
470
D001
1SS133
SW004
FP1F
−2M
C012
10uF
/16V
C010 0.1 uF
R002
470
C009
0.068uF
(C015)
100uF/16V
3
2
GND
1
OUT
IN
(C016)
0.1uF
(FIL001)
(CN004)
FFC−48BMEP1
GND
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
GND
U005
74VHC244
C013 0.1 uF
1
25
SW001
FT1D−2M
SW002
FT1D−2M
SW003
FT1D−2M
SW005
FT2D−2M
INT(CS8414)
EXT
DAI select
[LRCK]
[BCK]
[DATA]
[SCLK]
[LRCK]
[BCK]
[DATA]
[SCLK]
[BCK]
[e-DA
T
A
]
C014
GND
U006
74VHC244
1
19
CN003
57LE−40360−7700(D3)
SW006
DSS104
RA001
1
2
3
4
(L001)
CN002
FFC−2BMEP1
CN001
4 5 6
+VCCD
18
36
+VDDD
0.1 uF
24
48
[e-LRCK]
[e-BCK]
[e-SCLK]
[e-DATA]
[e-LRCK]
[e-BCK]
[e-SCLK]
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
VCC
VCC
VCC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RST−
MDO
MDI
MC
MS
[RST−]
[MDO]
[MDI]
[MC]
[MS]
(Not mounted)
P
O
Q
S
GND
B
D
L
[SCLK]
[BCK]
[GND]
[BCK(INV)]
[LRCK]
[DATA]
47k
×
5
