XV-S300BK/XV-S332SL/XV-S402SL/XV-S403SG
27
4.3 AN8703FH-V (IC101) : Frontend processor
4.3.1
Pin layout
4.3.2
Pin function
1
16
48
33
64 49
17 32
Pin No.
Symbol
I/O
Description
Pin No.
Symbol
I/O
Description
1
LPC1
I
Laser input terminal (DVD)
34
RFDIFO
-
Non connect
2
LPC01
O Laser drive signal output terminal (DVD)
35
RFOUT
-
Connect to TP103
3
LPC2
I
Laser input terminal (CD)
36
VCC3
-
Power supply terminal 3.3V
4
LPC02
O Laser drive signal output terminal (CD)
37
RFC
O Filter for RF delay correction AMP.
5
VFOSHORT
I
VFOSHORT control terminal
38
DCRF
O All addition amplifier capacitor terminal
6
TBAL
I
Tracking balance control terminal
39
OFTR
O OFTR output terminal
7
FBAL
I
Focus balance control terminal
40
BDO
O BDO output terminal
8
POFLT
O Track detection threshold level terminal
41
RFENV
O RF envelope output terminal
9
DTRD
I
Data slice part data read signal input ter-
minal(For RAM)
42
BOTTOM
O Bottom envelope detection filter terminal
43
PEAK
O Peak envelope detection filter terminal
10
IDGT
I
Data slice part address part gate signal
input terminal( For RAM)
44
AGCG
O AGC amplifier gain control terminal
45
AGCO
O AGC amplifier level control terminal
11
STANDBY
I
Standby mode control terminal
46
TESTSG
I
TEST signal input terminal
12
SEN
I
SEN(Serial data input terminal)
47
RFINP
I
RF signal positive input terminal
13
SCK
I
SCK(Serial data input terminal)
48
RFINN
I
RF signal negative input terminal
14
STDI
I
STDI(Serial data input terminal)
49
VIN5
I
Internal four-partition (CD) RF input 1
15
RSCL
I
Standard electric current terminal
50
VIN6
I
Internal four-partition (CD) RF input 2
16
JLINE
I
Electric current setting terminal of JLine
51
VIN7
-
Internal four-partition (CD) RF input 3
17
TEN
I
Reversing input terminal of tracking error
output AMP.
52
VIN8
-
Internal four-partition (CD) RF input 4
18
TEOUT
O Tracking error signal output terminal
53
VIN9
I
External two-partition (DVD) RF input 2
19
AGCBAL
I
Offset adjusting terminal 1
54
VIN10
I
External two-partition (DVD) RF input 1
20
ASOUT
O Full adder signal output terminal
55
VCC1
-
Power supply terminal 5V
21
FEN
I
Focus error output amplifier reversing in-
put terminal
56
VREF1
O VREF1 voltage output terminal
22
FEOUT
O Focus error signal output terminal
57
VIN1
I
Internal four-partition (DVD) RF input 1
23
AGCOFST
I
Offset adjusting terminal 2
24
MON
-
Non connect
58
VIN2
I
Internal four-partition (DVD) RF input 2
25
AGCLVL
O Output amplitude adjustment for DRC
26
GND2
-
Connect to GND
59
VIN3
I
Internal four-partition (DVD) RF input 3
27
VREF2
O VREF2 voltage output terminal
28
VCC2
-
Power supply terminal 5V
60
VIN4
I
Internal four-partition (DVD) RF input 4
29
VHALF
O VHALF voltage output terminal
30
DFLTON
O Reversing output terminal of filter AMP.
61
GND1
-
Connect to GND
31
DFLTOP
O Filter AMP. output terminal
62
VIN11
I
3 beam sub input terminal 2 (CD)
32
DCFLT
I
Capacity connection terminal for filter
output
63
VIN12
I
3 beam sub input terminal 1 (CD)
33
GND3
-
Connect to GND
64
HDTYPE
O HD Type selection