Pin
No.
Terminal
Name
I/O Function
30 GIO23 I/O The PWM output for LCD
contrast
31 GIO22 I/O CD shutter motor control
32 GIO21 I/O SD insertion signal input
(for test) ('L' Insertion)
33 GIO20 I/O SD WRITE PROTECT input
(for test) (’L’ WRITE
PROTECT)
34 GIO19 I EJECT SW input (’L’ SW
ON)
35 GIO18 O FREE WHEEL control
36 GIO17 O I2C DATA (EEROM I2C
DATA)
37 GIO16 O Turntable reverse signal
output
38 GIO15 O I2C CLOCK (EEROM I2C
CLOCK)
39 GIO14 O Turntable motor ON signal
output
40 GIO13 I MD DSC25 communication
data bus
41 GIO12 I MD DSC25 communication
data bus
42 DV
DD
1 P Power supply
43 DGND2 P DE
44 GIO11 I MD DSC25 communication
data bus
45 GIO10 I MD DSC25 communication
data bus
46 GIO9 I MD DSC25 communication
data bus
47 GIO8 I MD DSC25 communication
data bus
48 GIO7 I MD DSC25 communication
data bus (It is the 'L'
output if it is SD load
discontinuation.)
49 GIO6 I MD DSC25 communication
data bus (It is 'L' if MD is
busy (under a read).)
50 GIO5 I MD DSC25 communication
data bus ('L' when a
shutter may be shut)
51 GIO4 I Process inspection setup
50