Sony HCD-EA20 - Page 61

61
HCD-EA20
Serial
Input
I/F
Function
Control
I/F
8x
Oversampling
Digital Filler
with
Function
Controller
System Clock
Manager
Zero Detect
Enhanced
Multi-level
Delta-Sigma
Modulator
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Output Amp and
Low-pass Filter
Power Supply
ZERO1/GPO1 ZERO2/GPO2 ZERO3/GPO3 ZERO4/GPO4 ZERO5/GPO5 ZERO6/GPO6
NC NC
VOUT6 VOUT5 VOUT4 VOUT3
VCC3
AGND3
VCC4
AGND4
VOUT8
AGND6
VCC5
AGND5
VOUT7
VCOM
VOUT1
VOUT2
ML MC MDI MDO ZERO8 DATA4 ZERO7 NC VCC1 AGND1 VCC2 AGND2
RST
SCKI
SCKO
BCK
LRCK
TEST
VDD
DGND
DATA1
DATA2
DATA3
ZEROA
1 2 3 4 5 6 7 8 9 10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
252627282930313233343536
37
38
39
40
41
42
43
44
45
46
47
48
IC302 PCM1609KPTR
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL ∑
MODULATOR
DIGITAL ∑
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1 MODE0
FSYNC
1 2
3
4
5 6 87 9
1110 12
AGND VCC C PR C NR C PR C NR DGND SYSCLK DOUT BCK LRCK VDD
24 23 22 21 20
19 17
16 15 14 13
18
IC352 PCM1800E/2K
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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