119
1
3
4
1
3
4
C
D
F
A
B
E
XV-DV820, XV-DV620
Pin Arrangement
Pin Function
Block Diagram
1
BCK
16
SCK
2
DATA
15
ML
3
LRCK
14
MC
4
DGND
13
MD
5
V
DD
12
ZEROL/NA
6
V
CC
11
ZEROR/ZEROA
7
V
OUT
L
10
V
COM
8
V
OUT
R
9
AGND
Audio
Serial
Port
Enhanced
Multi-level
Delta-Sigma
Modulator
4
×
/ 8
×
Oversampling
Digital Filter
with
Function
Controller
System Clock
BCK 1
LRCK 3
DATA 2
ML 15
DAC
Output Amp and
Low-pass Filter
DAC
Power Supply
Output Amp and
Low-pass Filter
V
OUT
L
7
V
OUT
R
8
AGND
8
V
CC
6
DGND
9
V
DD
ZEROR/ZEROA
5
11
ZEROL/NA
12
V
COM
10
Zero Detect
PCM1742KE (DVD IF ASSY : IC1921)
• D/A Converter
No.
Pin Name
I/O
Pin Function
1
BCK
I
Audio data bit clock input
2
DATA
I
Audio data digital input
3
LRCK
I
L-channel and R-channel Audio data
latch enable input
4
DGND
−
Digital ground
5
V
DD
−
Digital power 3.3V
6
V
CC
−
Analog power 5V
7
V
OUT
L
O
Analog output for L-channel
8
V
OUT
R
O
Analog output for R-channel
9
AGND
−
Analog ground
10
V
COM
−
Common voltage decoupling
11
ZEROR/ZEROA
O
Zero flag output for R-channel / Zero
flag output for L/R-channel
12
ZEROL/NA
O
Zero flag output for L-channel / No
assign
13
MD
I
Mode control data input
14
MC
I
Mode control clock input
15
ML
I
Mode control latch input
16
SCK
I
System clock input
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