Service manual

31
HCD-NEZ30
• IC PIN FUNCTION DESCRIPITION
CD BOARD IC201 CXD3014A-201R (CD DSP)
Pin No.
Pin Name I/O Description
1 LRCK O L/R sampling clock signal output terminal
2LRCKI I L/R sampling clock signal input terminal
3 PCMD O Serial data output terminal
4 PCMDI I Serial data input terminal
5 BCK O Bit clock signal output terminal
6 BCKI I Bit clock signal input terminal
7 XTACN I
Oscillation circuit on/off switch control signal input from the system controller
"L": oscillation stop, "H": self-oscillation
8 XRST I System reset signal input from the system controller "L": reset
9 VSS - Ground terminal
10
IREQ-MP3 O
MP3 data request signal output to the system controller
11 CLOK
I
CD serial data transfer clock signal input from the system controller
12 DATA2
I
MP3 serial data input from the system controller
13 XLAT-MP3 I MP3 serial data latch pulse signal input from the system controller
14 REQ-MP3
I
MP3 data request signal input from the system controller
15 ACK-MP3 O MP3 acknowledge signal output to the system controller
16
XLAT I
CD serial data latch pulse signal input from the system controller
17 VDD - Power supply terminal (+1.8V)
18 SVSS - Ground terminal
19 SVDD - Power supply terminal (+1.8V)
20 SENS O Internal status (SENSE) signal output to the system controller
21 WFCK - Not used
22 XUGF - Not used
23 XPCK - Not used
24 GFS - Not used
25 C2PO - Not used
26 SCOR O Subcode sync (S0+S1) detection signal output to the system controller
27 VDD - Power supply terminal (+1.8V)
28 COUT - Not used
29 SVSS - Ground terminal
30 SVDD - Power supply terminal (+1.8V)
31 MIRR - Not used
32 DFCT - Not used
33 FOK - Not used
34 VSS - Ground terminal
35 VDD - Power supply terminal (+1.8V)
36 VSS - Ground terminal
37 MIRR - Not used
38 MDP O Spindle motor servo control signal output terminal
39 SSTP I Disc inner position detection signal input terminal
40 IOVSS1 - Ground terminal
41 SFDR O Sled servo drive signal (+) output to the coil/motor driver
42 SRDR O Sled servo drive signal (-) output to the coil/motor driver
43 TFDR O Tracking servo drive signal (+) output to the coil/motor driver
44 TRDR O Tracking servo drive signal (-) output to the coil/motor driver
45 FFDR O Focus servo drive signal (+) output to the coil/motor driver
46 FRDR O Focus servo drive signal (-) output to the coil/motor driver
47 IOVDD1 - Power supply terminal (+3.3V)