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GRUNDIG Service
PCM1748
BCK
Serial
LRCK
Input
I/F
DATA
ML
Function
Control
MC
I/F
MD
System Clock
SCK
Manager
BCK
1
DATA
2
3
LRCK
DGND
4
PCM1748
5
V
DD
V
6
CC
V
L
7
OUT
V
R
8
OUT
8x
Enhanced
Oversampling
Multi-Level
Digital Filter
Delta-Sigma
with
Modulator
Function
Controller
System Clock
Zero Detect
16
SCK
15
ML
14
MC
13
MD
12
ZEROL/NA
11
ZEROR/ZEROA
10
V
COM
9
AGND
3 - 26
Output Amp and
DAC
Low-Pass Filter
Output Amp and
DAC
Low-Pass Filter
Power Supply
Pin
Pin Name
I/O
Function
1
BCK
IN
Audio Data Bit Clock Input.
2
DATA
IN
Audio Data Digital Input.
3
LRCK
IN
L-Channel and R-Channel Audio Data Latch
Enable Input.
4
DGND
–
Digital Ground
5
V
–
Digital Power Supply, +3.3V
DD
6
V
–
Analog Power Supply, +5V
CC
7
V
L
OUT Analog Output for L-Channel.
OUT
8
V
R
OUT Analog Output for R-Channel.
OUT
9
AGND
–
Analog Ground
10
V
–
Common Voltage Decoupling.
COM
11
ZEROR/
OUT
Zero Flag Output for R-Channel/Zero Flag
ZEROA
Output for L/R-Channel.
12
ZEROL/NA
OUT
Zero Flag Output for L-Channel/No Assign.
13
MD
IN
Mode Control Data Input.
14
MC
IN
Mode Control Clock Input.
15
ML
IN
Mode Control Latch Input.
16
SCK
IN
System Clock Input.
Xenaro – GDP 42...
V
L
OUT
V
COM
V
R
OUT
(1)
(1)
(1)
(2)
(2)
(2)
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