Sony ZS-XN30 Service Manual page 35

• IC Pin Function Description
CD BOARD IC702 CXD3029R (CD DSP)
Pin No. Pin Name
1 XRAS
2 XWE
3 to 6 D1, D0, D3, D2
7, 8 TEST1, TEST2
9 XCAS
10 WFCK
11 to 13 A9 to A7
14 DVSS
15 to 17 A6 to A4
18 XRDE
19 VDD0
20 CLOK
21 DATA
22 SENS
23 XLAT
24 XSOE
25 SYSM
26 WDCK
27 SCOR
28 XRST
29 PWMI
30 XQOK
31 XWRE
32 R8M
33 VSS0
34 SQCK
35 SCLK
36 SQSO
37 XEMP
38 XWIH
39 SBSO
40 EXCK
41 XTSL
42 HVSS
43 HPL
44 HPR
45 HPVDD
46 XVDD
47 XTAI
48 XTAO
49 XVSS
50 AVDD1
51 AOUT1
52 VREFL
I/O
O Row address strobe signal output to the D-RAM
O Data input enable signal output to the D-RAM
I/O Two-way data bus with the D-RAM
O Not used
O Column address strobe signal output to the D-RAM
O Not used
O Address signal output to the D-RAM
— Ground terminal
O Address signal output to the D-RAM
I Read enable signal input from the MP3 decoder
— Power supply terminal (+3.3V)
I Serial data transfer clock signal input from the system controller
I Serial data input from the system controller
O SENS signal output to the system controller
I Serial data latch pulse signal input from the system controller
I Serial data output enable signal input from the system controller
Analog muting on/off control signal input from the system controller "H": muting on
I
fixed at "L" in this set
O Not used
O Subcode sync (S0+S1) detection signal output to the system controller
I Reset signal input from the system controller "L": reset
I Not used
I Not used
I Not used
O System clock output terminal Not used
— Ground terminal
I SQSO readout clock signal input terminal Not used
I SENS serial data read clock signal input terminal Not used
O Not used
O Not used
O Not used
O Not used
O SQSO readout clock signal output terminal Not used
I Input terminal for the system clock frequency setting fixed at "L" in this set
— Ground terminal
O Not used
O Not used
— Power supply terminal (+3.3V)
— Power supply terminal (+3.3V)
I System clock input terminal (16.9344 MHz)
O System clock output terminal (16.9344 MHz)
— Ground terminal
— Power supply terminal (+3.3V)
O L-ch analog audio signal output terminal
O L-ch reference voltage output terminal
Description
ZS-XN30
35