Sanyo DWM-4500 Service Manual page 31

IC BLOCK DIAGRAM & DESCRIPTION
IC160 LC708746V(6ch DAC)
BCKIN 3
LRCIN 4
LRCIN2 10
INTERFACE
DIN0 5
DIN1 6
DIN2 7
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
SCKI ML/I2S MC/IWL MD/DM
2 12 13 14
DAC
AUDIO
CHANNEL
CONTOL
1 11
DVDD DGND
Name Type
DVDD Supply
SCKI Digital input
BCKIN Digital input
LRCIN Digital input
DIN0 Digital input
DIN1 Digital input
DIN2 Digital inpiut
MODE Digital input
Internal pull-up
MUTE Digital bidirectional
LRCIN2 Digital input
Internal pull-down
DGND Supply
ML/I2S Digital input
Internal pull-up
MC/IWL Digital input
Internal pull-up
MD/DM Digital input
AVDD2 Supply
CAP Analogue output
OUT2L Analogue output
GR2 Analogue input
OUT2R
Analogue output
AGND1 Supply
OUT1L Analogue output
GR1 Analogue input
OUT1R Analogue output
AGND2 Supply
OUT0L Analogue output
GR0 Analogue input
OUT0R Analogue output
AVDD1 Supply
MODE MUTE
8 9
CONTROL
INTERFACE
L0A(7:0)
Sigma
Digital
Delta
Filter
Modulator
R0A(7:0)
L1A(7:0)
Sigma
Digital
Delta
Filter
Modulator
R1A(7:0)
L2A(7:0)
Sigma
Digital
Delta
Filter
Modulator
R2A(7:0)
20 24
AGND1 AGND2 AVDD1
Function
Digital power source
System clock input
Audio data bit clock input
Sampling rate clock (LRCK) input
Channel 0 Serial audio data input
Channel 1 Serial audio data inout
Channel 2 Serial audio data input
Control mode select
Low= Software mode
High= Hardware mode
Mute control (PCM mode)
Input
Low; Not mute
High; Mute
Z; Auto mute
192kHz/96kHz Mode active 2nd LRCIN input
Digital GND
Software mode; 3way serial control latch lag
Hardware mode; Input format selector
Software mode; 3way serial control clock input
Hardware mode; Input word length select
Software mode; 3way serial control data input
Hardware mode; Deepnhasis select
Analogue power source
Analogue power VREF de-coupling
Lch 2 Output
Ch 2 GND
Rch 2 Output
Analogue GND
Lch 1 Output
Ch 1 GND
Rch 1 Output
Analogue GND
Lch 0 Output
Ch 0 GND
Rch 0 Output
Analogue power source
- 30 -
LC708746V
25 OUT0L
Stereo
26 GR0
DAC
27 OUT0R
21 OUT1L
Stereo
22 GR1
DAC
23 OUT1R
17 OUT2L
Stereo
18 GR2
DAC
19 OUT2R
28 15 16
AVDD2 CAP
Output (Auto mute active)
Low; Mute off
High; Mute on