
53
HCD-GNX600
– ADC Board –
IC11,12 PCM1803DBR
FMT 1
DELTA-SIGMA
MODULATOR
L IN
1
R IN
2
V_REF_1 3
V_REF_2 4
18
SCKI
15
MODE 0
19
MODE 1
20
REFERENCE
PDWN
7
BYPASS 8
VDD
14
VCC 5
AGND 6
DGND
13
POWER SUPPLY
CLOCK AND TIMING CONTROL
LRCK 10
DOUT
12
FSYNC
9
BCK
11
FMT 0
17
TEST
16
x1/64, x1/128
DECIMATION
FILTER
WITH
HIGH-PASS FILTER
MODE/
FORMAT
CONTROL
SERIAL
INTERFACE
DELTA-SIGMA
MODULATOR
– SMASTER Board –
IC500,600 CXD9843AR
S
P
SAMPLING RATE
CONVERTER
DF2
DF1
GAIN
CONTROL
FILTER
&
LOW CUT FILTER
SERIAL
CONTROL
LINER
INTERPOLATOR
∆ ∑
CONVERTER
XVSS
PWM
INIT/MUTE
CLOCK GENERATOR
CLOCK GENERATOR
(SECONDARY CLOCK SYSTEM)
1
VSUBC
2
VSSR
VSSL
VSSL
VSSR
3
OUTR2
OUTL2
OUTR1
OUTL1
4
VDDR
DVDD
DVSS
VDDL
5
6
7
8
XOVSS
XOVDD
9
XFSOOUT
10 11
NSPMUTE
12
SOFTMUTE
13
PGMUTE
SCSHIFT
14
SCDT
15
SCLATCH
OVF FLAGR
OVF FLAGL
16
SFLAG
INIT
17
MCKSEL
18
LRCK
19
BCK
20
D
ATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
21
42
43
41
40
39
38
37
XFSOIN
36
XVDD
35
HPVDDL
34
HPOUTL2
33
HPVSSL
32 31
HPVDDR
30
HPOUTR1
HPOUTL1
29 28
HPVSSR
27 26 25
HPOUTR2
24
FSOI
23
FSOCKO
22
44
45
46
47
48
(PRIMARY CLOCK SYSTTEM)