XV-NA7SL
29
5.3 AN8703FH-V (IC101) : Frontend processor
• Pin layout
• Pin function
Pin No.
Symbol
I/O
Description
1
LPC1
I
Laser input terminal (DVD)
2
LPC01
O Laser drive signal output terminal (DVD)
3
LPC2
I
Laser input terminal (CD)
4
LPC02
O Laser drive signal output terminal (CD)
5
VFOSHORT
I
VFOSHORT control terminal
6
TBAL
I
Tracking balance control terminal
7
FBAL
I
Focus balance control terminal
8
POFLT
O Track detection threshold level terminal
9
DTRD
I
Data slice part data read signal input ter-
minal(For RAM)
10
IDGT
I
Data slice part address part gate signal
input terminal( For RAM)
11
STANDBY
I
Standby mode control terminal
12
SEN
I
SEN(Serial data input terminal)
13
SCK
I
SCK(Serial data input terminal)
14
STDI
I
STDI(Serial data input terminal)
15
RSCL
I
Standard electric current terminal
16
JLINE
I
Electric current setting terminal of JLine
17
TEN
I
Reversing input terminal of tracking error
output AMP.
18
TEOUT
O Tracking error signal output terminal
19
AGCBAL
I
Offset adjusting terminal 1
20
ASOUT
O Full adder signal output terminal
21
FEN
I
Focus error output amplifier reversing in-
put terminal
22
FEOUT
O Focus error signal output terminal
23
AGCOFST
I
Offset adjusting terminal 2
24
MON
-
Non connect
25
AGCLVL
O Output amplitude adjustment for DRC
26
GND2
-
Connect to GND
27
VREF2
O VREF2 voltage output terminal
28
VCC2
-
Power supply terminal 5V
29
VHALF
O VHALF voltage output terminal
30
DFLTON
O Reversing output terminal of filter AMP.
31
DFLTOP
O Filter AMP. output terminal
32
DCFLT
I
Capacity connection terminal for filter
output
33
GND3
-
Connect to GND
34
RFDIFO
-
Non connect
35
RFOUT
-
Connect to TP103
36
VCC3
-
Power supply terminal 3.3V
37
RFC
O Filter for RF delay correction AMP.
38
DCRF
O All addition amplifier capacitor terminal
39
OFTR
O OFTR output terminal
40
BDO
O BDO output terminal
41
RFENV
O RF envelope output terminal
42
BOTTOM
O Bottom envelope detection filter terminal
43
PEAK
O Peak envelope detection filter terminal
44
AGCG
O AGC amplifier gain control terminal
45
AGCO
O AGC amplifier level control terminal
46
TESTSG
I
TEST signal input terminal
47
RFINP
I
RF signal positive input terminal
48
RFINN
I
RF signal negative input terminal
49
VIN5
I
Internal four-partition (CD) RF input 1
50
VIN6
I
Internal four-partition (CD) RF input 2
51
VIN7
-
Internal four-partition (CD) RF input 3
52
VIN8
-
Internal four-partition (CD) RF input 4
53
VIN9
I
External two-partition (DVD) RF input 2
54
VIN10
I
External two-partition (DVD) RF input 1
55
VCC1
-
Power supply terminal 5V
56
VREF1
O VREF1 voltage output terminal
57
VIN1
I
Internal four-partition (DVD) RF input 1
58
VIN2
I
Internal four-partition (DVD) RF input 2
59
VIN3
I
Internal four-partition (DVD) RF input 3
60
VIN4
I
Internal four-partition (DVD) RF input 4
61
GND1
-
Connect to GND
62
VIN11
I
3 beam sub input terminal 2 (CD)
63
VIN12
I
3 beam sub input terminal 1 (CD)
64
HDTYPE
O HD Type selection
Pin No.
Symbol
I/O
Description
