SC9638EP
(Continued)
Pin No.
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Symbol
FILTCL
VOL
RAD
FOC
SLED
MOTO
VDD
GND
V2/SLED_SW
LDON
VSSA1
VDDA1
B
A
C
D
F
E
VCOM
ISLICE
HFIN
HFREF
VSSA2
VDDA2
CRIN
CROUT
I/O
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
I
O
Description
DAC left channel filter capacitor.
DAC left channel filter capacitor.
Tracking drive output
Focus drive output
Sled drive output
Spindle drive output
Servo Supply Voltage
Servo Ground
Sled motor position monitor signal input
Laser control signal output with built-in pull up resistor
Analog Ground of Servo Module ADC.
Analog Supply Voltage of Servo Module ADC.
Central diode current signal input B
Central diode current signal input A
Central diode current signal input C
Central diode current signal input D
Satellite diode current signal input F
Satellite diode current signal input E
DC Voltage Input
Data Slice feed-back current output
EFM signal input
Reference signal
Servo module HF and the analog ground of PLL
Servo module HF and the analog source supply of PLL
8.4672MHz crystal oscillator input
8.4672MHz crystal oscillator output
FUNCTION DESCRIPTION
1. LCD illustration
The circuit adopts LCD of 4×16, 5V, 1/4duty, and 1/3bias, and the panel is as follows:
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2008.03.24
Page 5 of 13
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
