Denon RCD-M37 Service Manual page 37

Pin
Symbol I/O
No.
DVSS3
26
O
Ro
27
3AI/F
DVDD3
28
DVR
29
O
Lo
30
3AI/F
DVSS3
31
VDDT3
32
VSS
33
VDD1
34
VDDM1
35
I
36 SRAMSTB
3I/F
I
/RST
37
3I/F
IO
BUS0
38
3I/F
IO
BUS1
39
3I/F
IO
BUS2(So)
40
3I/F
IO
BUS3(Si)
41
3I/F
I
BUCK(CLK)
42
3I/F
I
/CCE
43
3I/F
I
TEST
44
3I/F
I
IRQ
45
3I/F
O
AoUT3(Po4)
46
3I/F
O
AoUT2(Po5)
47
3I/F
I/O
Pio0
48
3I/F
I/O
Pio1
49
3I/F
I/O
Pio2
50
3I/F
I/O
Pio3
51
3I/F
VSS
52
VDDT3
53
O
SBSY
54
3I/F
O
SBOK
55
3I/F
Description
Grounding pin for 3.3V DAC circuit
R channel audio output pin of Audio DAC.
Power supply pin for 3.3V Audio DAC
circuit.
Reference voltage pin for Audio DAC.
L channel audio output pin of Audio DAC
Grounding pin for 3.3V Audio DAC circuit
Power supply pin for 3.3 V digital I/O circuit.
Grounding pin for 3.3V digital circuit
Power supply pin for 1.5V digital circuit.
Power supply pin for 1.5V 1Mbit SRAM.
1Mbit SRAM stand-by pin
Reset signal input pin.
Data input/output pin -0 for
microcontroller interface
Data input/output pin -1 for
microcontroller interface
Data input/output pin -2 for
microcontroller interface (Serial output)
Data input/output pin -3 for
microcontroller interface (Serial input)
Clock input pin for the microcontroller
interface. (Clock input for Serial
communication interface)
Chip enable signal input pin for
microcontroller interface.
Setting pin for LSI test mode.
(Connect to GND in normal operation)
DSP interruption pin.(Pull down by 100k
when not in use)
Audio data output pin -3 (DSP general
output port -4)
Audio data output pin -2 (DSP general
output port -5)
DSP general input/output port -0
DSP general input/output port -1
DSP general input/output port -2
DSP general input/output port -3
Grounding pin for 3.3V digital circuit
Power supply pin for 3.3 V digital I/O circuit.
Sub code block sync output pin
CRCC check result output pin for sub code
Q data.
37
RCD-M37 / RCD-M37DAB / D-E500 / D-M37
Default
Remarks
O
No capacitor required to
DVR pin when built-in
audio DAC is not in use,
however , connect 3.3V to
DVDD3 and GND to
O
DVSS3.
-
-
-
I Schmitt input
I Schmitt input
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
I Schmitt input
I Schmitt input
I Schmitt input
I Schmitt input
O CMOS PORT
O CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
-
-
O CMOS PORT
O CMOS PORT