34
IC203 : CXD3068Q
Pin Description
Pin
No
Symbol I/O Description
1 DVDD0 — Digital power supply.
2 XRST I System reset. Reset when low.
3 MUTE I Mute input (low: off, high: on)
4 DATA I Serial data input from CPU.
5 XLAT I Latch input from CPU. Serial data is latched at the falling edge.
6 CLOK I Serial data transfer clock input from CPU.
7 SENS O 1, 0 SENS output to CPU.
8 SCLK I SENS serial data readout clock input.
9 ATSK I/O 1, 0 Anti-shock input/output.
10 WFCK O 1, 0 WFCK output.
11 XUGF O 1, 0 XUGF output. MNT0 or RFCK is output by switching with the command.
12 XPCK O 1, 0 XPCK output. MNT1 is output by switching with the command.
13 GFS O 1, 0 GFS output. MNT2 or XROF is output by switching with the command.
14 C2PO O 1, 0 G2PO output. MNT3 or GTOP is output by switching with the command.
15 SCOR O 1, 0 Outputs a high signal when either subcode sync S0 or S1 is detected.
16 C4M O 1, 0 4.2336MHz output. 1/4 frequency division output for V16M in CAV-W mode or variable pitch mode.
17 WDCK O 1, 0 Word clock output. f = 2Fs. GRSCOR is output by the command switching.
18 DVSS0 — — Digital GND.
19 COUT I/O 1, 0 Track count signal I/O.
20 MIRR I/O 1, 0 Mirror signal I/O.
21 DFCT I/O 1, 0 Detect signal I/O.
22 FOK I/O 1, 0 Focus OK signal I/O.
23 PWMI I Spindle motor external control input.
24 LOCK I/O 1, 0 GFS is sampled at 460Hz; when GFS is high, this pin outputs a high signal. If GFS is low eight consecutive samples,
this pin outputs low. Input when LKIN = 1.
25 MDP O 1, Z, 0 Spindle motor servo control output.
26 SSTP I Disc innermost track detection signal input.
27 FSTO O 1, 0 2/3 frequency division output for XTAI pin.
28 DVDD1 — — Digital power supply.
29 SFDR O 1, 0 Sled drive output.
30 SRDR O 1, 0 Sled drive output.
31 TFDR O 1, 0 Tracking drive output.
32 TRDR O 1, 0 Tracking drive output.
33 FFDR O 1, 0 Focus drive output.
34 FRDR O 1, 0 Focus drive output.
35 DVSS1 — — Digital GND.
36 TEST I Test. Normally, GND.
37 TES1 I Test. Normally, GND.
38 VC I Center voltage input.
39 FE I Focus error signal input.
40 SE I Sled error signal input.
41 TE I Tracking error signal input.
42 CE I Center servo analog input.
43 RFDC I RF signal input.
44 ADIO O Analog Test. No connected.
45 AVSS0 — — Analog GND.
46 IGEN I Constant current input for operational amplifier.
47 AVDD0 — — Analog power supply.
48 ASYO O 1, 0 EFM full-swing output. (low = Vss, high = VDD)
49 ASYI I Asymmetry comparator voltage input.
50 RFAC I EFM signal input.
51 AVSS1 — — Analog GND.
52 CLTV I Multiplier VCO1 control voltage input.