Panasonic SJ-MJ88 User Manual

Page of 62
Pin 
No.
Mark
I/O 
Division
Function
19
RVDD 1
I
Power supply to internal 
DRAM
20
RVSS 2
GND to internal DRAM
21
FODP
O
Focus drive (+) PWM signal 
output terminal
22
FODM
O
Focus drive (-) PWM signal 
output terminal
23
SPDP
O
Spindle drive (+) PWM 
signal output terminal
24
SPDM
O
Spindle drive (-) PWM 
signal output terminal
25
LDON
O
Laser power control output 
terminal (1:ON, 0:OFF)
26
PVPP 
DRAM1
Monitor to internal DRAM 
output terminal (Not used, 
open)
27
IVDD 0
Power supply terminal for I/
O pad
28
DVDD 0
Digital power supply
29
XI
I
Crystal oscillator input 
terminal (F=16.9344MHz)
30
DVSS 0
Digital GND
31
XO
O
Crystal oscillator output 
terminal (F=16.9344MHz)
32~34
STP10~STP12 I
Stepping motor status 
input terminal (0~2)
35~37
STP00~STP02 O
Stepping motor drive 
signal output terminal (0~2)
38 RFSWHL
O
Laser power control output 
terminal (PIT/GRUVE 
switching)
39 RFSWPG
O
Laser power control output 
terminal (Reflectance 
switching)
40
PEFMS
I
EFM signal input terminal
41 EFMPLLF
O
EFM PLL filter output 
terminal
42
PEFM1
O
Loop filter terminal for 
EFM data slicing (Not 
used, open)
43
EFMFIL
O
Input filter switching for 
EFM data slicing terminal
44 EFMIREF
I
Reference current setting 
terminal for EFM PLL
47