CXD3057R Datasheet, PDF (4/27 Pages) Sony Corporation – CD Digital Signal Processor with Built - in RF Amplifier and Digital Servo, Digital High - Bass Boost

CXD3057R
Pin Description
Power
supply
Pin
No.
Symbol
I/O
Description
1 MIRR I/O 1, 0 Mirror signal input/output.
2 DFCT I/O 1, 0 Defect signal input/output.
3 FOK
I/O 1, 0 Focus OK signal input/output.
4 VSS
— — Internal digital GND.
5 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.
Or this pin inputs when LKIN = "1".
6 MDP
Digital
I/O = 3.3V ^{7 SSTP}
Internal = _{8 IOVSS1}
2.5V
9 SFDR
O 1, Z, 0 Spindle motor servo control output.
I
Disk innermost detection signal input.
— — I/O digital GND.
O 1, 0 Sled drive output.
10 SRDR O 1, 0 Sled drive output.
11 TFDR O 1, 0 Tracking drive output.
12 TRDR O 1, 0 Tracking drive output.
13 FFDR O 1, 0 Focus drive output.
14 FRDR O 1, 0 Focus drive output.
15 IOVDD1 — — I/O digital power supply.
A/D
3.3V
16 AVDD0
17 AVSS0
— — Analog power supply.
— — Analog GND.
— 18 NC
——
19 E
I
E signal input.
20 F
I
F signal input.
21 TEI
I
Tracking error signal input to DSSP block.
22 TEO
O
Tracking error signal output from RF amplifier block.
23 FEI
I
Focus error signal input to DSSP block.
24 FEO
O
Focus error signal output from RF amplifier block.
25 VC
I/O
Center voltage output from RF amplifier block.
Center voltage input to DSSP block by command switch.
26 A
I
RFamp
3.3V
27
B
I
28 C
I
A signal input.
B signal input.
C signal input.
29 D
I
D signal input.
30 NC
——
31 AVDD4 — — Analog power supply.
32 RFDCO I/O
RFDC signal output.
RFDC signal input to DSSP block by command switch.
33 PDSENS I
Reference voltage pin for PD.
34 AC_SUM O Analog RFAC summing amplifier output.
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