33
HCD-EC50
• IC Pin Function Description
BD83S BOARD IC201 CXD3014A-201R (RF AMP, DSP, MP3)
Pin No. Pin Name I/O Description
1 LRCK O L/R sampling clock signal output terminal
2 LRCKI 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
7XTACN 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 O WFCK output (Not used)
22 XUGF O XUGF output (Not used)
23 XPCK O XPCK output (Not used)
24 GFS O GFP output (Not used)
25 C2PO O C2PO output (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 I/O Track number count signal input/output (Not used)
29 SVSS — Ground terminal
30 SVDD — Power supply terminal (+1.8V)
31 MIRR I/O Mirror signal input/output (Not used)
32 DFCT I/O Defect signal input/output (Not used)
33 FOK I/O Focus OK signal input/output (Not used)
34 VSS — Ground terminal
35 VDD — Power supply terminal (+1.8V)
36 VSS — Ground terminal
37 LOCK I/O 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
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