5 - 4
Pin
No.
LINE NAME
DESCRIPTION
IN/
OUT
CONDITION
123
DAST
Strobe to the DAC (M: IC2).
O
–
125
FMDA
Data from the FRONT CPU (F: IC502).
I
–
126
MFDA
Data to the FRONT CPU (F: IC502).
O
–
127
OPT2
Port for optional unit.
O
–
128
OPT1
Port for optional unit.
I
–
129
OPT3
Port for optional unit.
I
–
131
CSO
Port for optional unit.
O
–
132
CSI
Port for optional unit.
I
–
133
EXOE
Output enable signal to the seri-para converter (M: IC31).
O
–
134
EXST
Strobe to the seri-para converter (M: IC31).
O
–
135
DRES
Reset signal to the DSP IC (M: IC12).
O
–
136
HCS
DSP data line.
I/O
–
138
GPIO2
DSP data line.
I/O
–
139
GPIO1
DSP data line.
I/O
–
3-4 CPU (M: IC20) PORT ALLOCATION (continued)
