Table of Contents
Advertisement
QQ
3 7 63 1515 0
6-27. IC PIN FUNCTION
• IC101 RF AMPLIFIER (CXA1981AR) / BD BOARD
Pin No.
Pin Name
1
VC
2 ~ 7
A ~ F
8
FI
9
FO
10
PD
11
APCREF
12
TEMPI
13
GND
14
AAPC
15
DAPC
16
TEMPR
17
XRST
18
SWDT
19
SCLK
20
XLAT
21
VREF
22
TENV
23
THLD
24
VCC
25
TFIL
26
TE
TE
L 13942296513
27
TLB
28
CSLED
29
SE
30
ADFM
31
ADIN
32
ADAGC
33
ADFG
34
AUX
35
FE
36
FLB
37
ABCD
38
BOTM
39
PEAK
40
RFAGC
41
RF
42
ISET
43
AGCT
44
RFO
45
MORFI
46
MORFO
47, 48
I, J
www
.
http://www.xiaoyu163.com
I/O
O
Middle point voltage (+2.5V) generation output
I
Input of signal from optical pick-up detector
I
F operation amplifier input
O
F operation amplifier output
I
Front monitor Connected to photo diode
I
Input for setting laser power
I
Temperature sensor connection pin
—
Ground
O
APC LD amplifier output
O
Digital APC output (Not used)
O
Temperature sensor reference voltage output
I
Input of reset signal from system controller Reset: "L"
I
Input of write data signal from system controller
I
Input of clock signal from system controller
I
Input of latch signal from system controller
O
Reference voltage output (Not used)
O
Tracking envelop signal output (Not used)
I
Track hold capacitor connection pin
—
Power supply (+5V)
I
Track hold input (Connected to VC)
O
Output of tracking error signal to CXD2535CR
I
Input of add signal to tracking error
I
Sled error LPF pin
O
Output of sled error signal to CXD2535CR
O
ADIP FM signal output
I
Inputs ADIP FM signal by AC coupling
I
Connection pin of external capacitor for ADIP AGC
O
Output of ADIP dual FM signal to CXD2535CR (22.05 kHz±1 kHz)
O
Output of auxiliary signal to CXD2535CR
O
Output of focus error signal to CXD2535CR
I
Focus bias control input (Not used)
O
Output of light amount signal to CXD2535CR
O
Output of bottom hold signal of light amount signal to CXD2535CR
O
Output of peak hold signal of light amount signal to CXD2535CR
I
Connection pin of RF AGC circuit external capacitor
O
Output of playback EFM RF signal to CXD2535CR
I
Internal circuit constant setting pin 22 kHz BPF center frequency (Fixed at "H")
I
Inputs RF signal by AC coupling
O
Output pin of RF signal
I
Inputs MO RF signal by AC coupling
O
Output pin of MO RF signal
I
Input of signal from optical pick-up detector
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
— 111 —
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
Advertisement
Table of Contents
