35
AVR-5803/AVC-A1SR
PCM1738 (IC103, 203, 303, 403)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RST
ZEROL
ZEROR
LRCK
DATA
BCK
SCKI
DGND
VDD
SCKO
MDO
MDI
MC
CS
V
CC
3
AGND2
L
OUT
L
-
L
OUT
L+
V
CC
2
V
CC
1
V
COM
3
I
REF
V
COM
2
V
COM
1
AGND1
L
OUT
R+
L
OUT
R
-
MUTE
TOP VIEW
LRCK
L
OUT
L+
Input
I/F
DGND
V
DD
Power Supply
DATA
BCK
Function
Control
I/F
RST
MUTE
CS
MC
MDO
MDI
V
CC
1
V
CC
2
V
CC
3
AGND1
AGND2
System
Clock
Manager
SCK0
ZEROL
ZEROR
ZERO
Drtect
System
Clock
Digital
Filter
&
Function
Control
Advanced
Segment
DAC
Modulator
Current
Segment
DAC
Current
Segment
DAC
Bias
&
Vref
L
OUT
L
-
I/V & Filter
L
OUT
R+
L
OUT
R
-
I/V & Filter
V
COM
2
V
COM
1
V
COM
3
I
REF
MX29F400TTC (IC712)
A15 A16
A14 BYTE
A13 GND
A12 Q15A-1
A11 Q7
A10 Q14
A9 Q6
A8 Q13
NC Q5
NC Q12
WE Q4
RESET Vcc
NC Q11
NC Q3
RY/BY Q10
NC Q2
A17 Q9
A7 Q1
A6 Q8
A5 Q0
A4 OE
A3 GND
A2 CE
A1 A0
1
48
24
25
M29W160DB (IC805, 905)
A15 A16
A14 BYTE
A13 Vss
A12 DQ15A-1
A11 DQ7
A10 DQ14
A9 DQ6
A8 DQ13
A19 DQ5
NC DQ12
W DQ4
RP Vcc
NC DQ11
NC DQ3
RB DQ10
A18 DQ2
A17 DQ9
A7 DQ1
A6 DQ8
A5 DQ0
A4 G
A3 Vss
A2 E
A1 A0
TOP VIEW
1
48
24
25
TOP VIEW
Pin Name
Function
Pin Assignments
Pin
No.
1 RST IN Reset
(1)
2 ZEROL OUT Zero Flag for L-channel
3 ZEROR OUT Zero Flag for R-channel
4 LRCK IN Left and Right Clock(fs). Input for Normal operation. WDCK clock input in External DF mode. Connected to GND in
DSD mode.
(1)
5 DATA IN
Serial Audio Data Input for Normal operation. L-channel audio data input for External DF and DSD modes.
6 BCK IN Bit Clock Input. Connected GND for DSD mode.
(1)
7 SCKI IN System Clock Input. BCK(64fs) clock input for DSD mode
8 DGND Digital Ground
9VDD Digital Supply, +3.3V
10 SCKO OUT System Clock Output
11 MDO OUT Serial data output for function control register
(2)
12 MDI IN Serial data input for function control register
(1)
13 MC IN Shift Clock for function control register
(1)
14 CS IN Mode control chip select and latch signal
(1)
15 MUTE IN Analog output mute control for normal operation R-channel audio data input for external DF mode and DSD mode.
16 IOUTR− OUT R-channel Analog Current Output−
17 IOUTR+ OUT R-channel Analog Current Output+
18 AGND1 Analog Ground
19 VCOM1 Internal bias de-coupling pin
20 VCOM2 Common voltage for I/V
21 IREF Output current reference bias pin. Connect 16k register to GND
22 VCOM3 Internal bias de-coupling pin
23 VCC1 Analog Supply, +5.0V
24 VCC2 Analog Supply, +5.0V
25 IOUTL+ OUT L-channel Analog Current Output+
26 IOUTL− OUT L-channel Analog Current Output−
27 AGND2 Analog Ground
28 V
CC3 Analog Power Supply, +5.0V
Type
NOTES:
(1) Schmitt trigger input, 5V tolerant.
(2) Tristate output.
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