Read Sony CDX-M1000TF / CDX-M3DI Service Manual online
18
CDX-M3DI/M1000TF
SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTIONS
• IC5 CXD9684R-005 (DSP) (SERVO Board (1/2))
Pin No.
Pin Name
I/O
Pin Description
1
/RESET
I
Reset signal input (L: reset)
2
MIMD
I
Microcomputer interface mode selection signal input (H: I2C, L: TSB) (Fixed at H)
3, 4
AD0, AD1
O
External S-RAM address signal output 0, 1
5
MIDIO (I2C_SDA)
I/O
Serial data input/output
6
MICK (I2C_SCL)
I
Serial clock signal input
7
AD2
O
External S-RAM address signal output 2
8
VDDT (3.3V)
—
Power supply pin (+3.3 V) for digital circuit
9
SDO
O
Data output 0
10, 11
AD3, AD4
O
External S-RAM address signal output 3, 4
12
SDI0
I
Data input 0
13
BCKIA
I
Bit clock signal input A
14
LRCKIA
I
LR clock signal input A
15
AD5
O
External S-RAM address signal output 5
16
CE
O
External S-RAM chip enable signal output
17
OE
O
External S-RAM output enable signal output
18
VDD (2.5V)
—
Power supply pin (+2.5 V) for digital circuit
19
STANDBY
I
Standby mode control signal input (H: STB, L: normal)
20
VSS (2.5GND)
—
Ground for digital circuit
21
VSSL (2.5GND)
—
Ground for DAC L-ch
22
VRAL
—
Reference voltage pin for DAC L-ch
23
LO
O
DAC L-ch signal output (Open)
24
VDAL (2.5V)
—
Power supply pin (+2.5 V) for DAC L-ch
25
VDAR (2.5V)
—
Power supply pin (+2.5 V) for DAC R-ch
26
RO
O
DAC R-ch signal output (Open)
27
VRAR
—
Reference voltage pin for DAC R-ch
28
VSSR (2.5GND)
—
Ground for DAC R-ch
29
TESTP
I
Test pin (H: test mode, L: normal) (Fixed at L)
30
CKS
I
VCO selection signal input (H: VCO, L: X1 input) (Fixed at H)
31 to 34
AD12 to AD9
O
External S-RAM address signal output 12 to 9
35
VDDT (3.3V)
—
Power supply pin (+3.3 V) for digital circuit
36 to 38
AD8 to AD6
O
External S-RAM address signal output 8 to 6
39
REQ
O
Interrupt request signal output for CD master control IC
40
VSS
—
Ground for digital circuit
41, 42
AD13, AD14
O
External S-RAM address signal output 13, 14
43
WR
O
External S-RAM write signal output
44, 45
AD16, AD15
O
External S-RAM address signal output 16, 15
46, 47
IO0, IO1
I/O
External S-RAM data input/output 0, 1
48
VSS
—
Ground for digital circuit
49 to 51
IO2 to IO4
I/O
External S-RAM data input/output 2 to 4
52
VDD (2.5V)
—
Power supply pin (+2.5 V) for digital circuit
53 to 55
IO5 to IO7
I/O
External S-RAM data input/output 5 to 7
56
VSSP
—
Ground for VCO circuit
57
PDO
O
PLL phase error detection signal output
58
VCOI
I
VCO control voltage input
59
VDDP
—
Power supply pin (+2.5 V) for VCO circuit
60
XRDE
I/O
External clock input/audio clock output (Open)
61
VDDX (2.5V)
—
Power supply pin (+2.5 V) for oscillation circuit
62
XI
I
Resonator input
63
XO
O
Resonator output
64
VSSX
—
Ground for oscillation circuit
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