Sony CDX-MP40 Service Manual page 17

• IC5 CXD9684R-005 (DSP) (SERVO BOARD)
Pin No. Pin Name
1 /RESET
2 MIMD
3, 4 AD0, AD1
5 MIDIO (I2C_SDA)
6 MICK (I2C_SCL)
7 AD2
8 VDDT (3.3V)
9 SDO
10, 11 AD3, AD4
12 SDI0
13 BCKIA
14 LRCKIA
15 AD5
16 CE
17 OE
18 VDD (2.5V)
19 STANDBY
20 VSS (2.5VGND)
21 VSSL (2.5VGND)
22 VRAL
23 LO
24 VDAL (2.5V)
25 VDAR (2.5V)
26 RO
27 VRAR
28 VSSR (2.5VGND)
29 TESTP
30 CKS
31 – 34 AD12 to AD9
35 VDDT (3.3V)
36 – 38 AD8 to AD6
39 REQ
40 VSS
41, 42 AD13, AD14
43 WR
44, 45 AD16, AD15
46, 47 IO0, IO1
48 VSS
49 – 51 IO2 to IO4
52 VDD (2.5V)
53 – 55 IO5 to IO7
56 VSSP
57 PDO
58 VCOI
59 VDDP
60 XRDE
61 VDDX (2.5V)
62 XI
63 XO
64 VSSX
I/O
I Reset input pin "L": reset
I Microcomputer interface mode selection input "H": I2C, "L": TSB
O External SRAM address signal output
I/O Serial data input/output
I Serial clock input
O External SRAM address signal output
— Power supply (3.3 V) for digital circuit
O Data output
O External SRAM address signal output
I Data input 0
I Bit clock input A
I LR clock input A
O External SRAM address signal output
O External SRAM chip enable signal output
O External SRAM output enable signal output
— Power supply pin (2.5 V) for digital circuit
I Standby mode control signal input "H": STB, "L": normal
— Ground pin for digital circuit
— Ground pin for DAC Lch
— Reference voltage pin for DAC Lch
O DAC Lch signal output (Open)
— Power supply pin (2.5 V) for DAC Lch
— Power supply pin (2.5 V) for DAC Rch
O DAC Rch signal output (Open)
— Reference voltage pin for DAC Rch
— Ground pin for DAC Rch
I Pin for test "H": test mode, "L": normal (fixed at "L")
I VCO selection input "H": VCO, "L": X1 input
O External SRAM address signal output
— Power supply pin (3.3 V) for digital circuit
O External SRAM address signal output
O Interrupt request signal output to the CD master control
— Ground pin for digital circuit
O External SRAM address signal output
O External SRAM write signal output
O External SRAM address signal output
I/O External SRAM data input/output
— Ground pin for digital circuit
I/O External SRAM data input/output
— Power supply pin (2.5 V) for digital circuit
I/O External SRAM data input/output
— Ground pin for VCO circuit
O PLL phase error detection signal output
I VCO control voltage input
— Power supply pin for VCO circuit
I/O External clock input, audio clock output Not used. (Open)
— Power supply pin for oscillation circuit
I Resonator pin
O Resonator pin
— Ground pin for oscillation circuit
Pin Description
CDX-MP40
17