51
MEX-R5
SERVO BOARD IC6 M6578FP (DVD PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
DVDD33
-
Power supply terminal (+3.3V)
2
EXPLDT
I
RF data (logic level) input terminal
3, 4
SPWM1,
SPWM2
O
PWM output for the spindle motor drive
5
FG
I
FG signal input from the coil/motor driver
6
SEN
O
Enable signal output to the DVD analog front-end
7
SDT
I/O
Serial data input/output terminal with the DVD analog front-end
8
SCK
O
Serial data transfer clock signal output to the DVD analog front-end
9
MIRR
I
Mirror detection signal input terminal "H": mirror detect
10
DEFCT
I
Defect detection signal input of RF signal
11
DVDD15
-
Power supply terminal (+1.5V)
12
DVSS
-
Ground terminal
13
TZC
I
Tracking zero-cross signal input terminal
14
RFAC
I
Single RF signal input terminal
15
TLC
O
Asymmetry charge pump output terminal
16
AVSS
-
Ground terminal
17
IREF
I
Reference current setting terminal for asymmetry circuit
18
JMREF
I
Reference current setting terminal for jitter monitor
19
JMOUT
O
Jitter monitor output terminal
20
AVDD33
-
Power supply terminal (+3.3V)
21
CHG
I
Reference current setting terminal of charge pump for data PLL
22
VFBC
I
Offset frequency setting terminal of VCO for data PLL
23
VCOI
I
VCO free-run frequency setting terminal
24
AVDD15
-
Power supply terminal (+1.5V)
25, 26
LPF1, LPF2
O
Loop filter connection terminal of VCO for data PLL
27
RC
I
Gain setting terminal of VCO for data PLL
28
AVSS
-
Ground terminal
29
FE
I
Focus error signal input terminal
30
TE
I
Tracking error signal input terminal
31
SE
I
Sled error signal input terminal
I
Pull-in error signal input terminal
I
Analog signal monitor input from the DVD analog front-end
I
A/D input terminal Not used
-
Power supply terminal (+3.3V)
-
Ground terminal
PWM output for the sled motor drive
PWM output for the focus coil drive
PWM output for the sled motor drive
41
TSCON
O
PWM output for the tracking coil drive
42
AVDD33
-
Power supply terminal (+3.3V)
43
DVDD15
-
Power supply terminal (+1.5V)
44
DVSS
-
Ground terminal
45, 46
GIO12, GIO11
I/O
Not used
47
LMT_SW
I
Limit switch input terminal
48, 49
GIO9, GIO8
I/O
Not used
50
SLPF1
O
Loop filter connection terminal of VCO for system clock PLL
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299