70
HCD-ZX9
Pin No.
Pin Name
I/O
Pin Description
75
JOG A
I
Jog dial pulse signal input from X-ROUND JOG rotary encoder (B phase input)
76
JOG B
I
Jog dial pulse signal input from X-ROUND JOG rotary encoder (A phase input)
77
RESET
I
System reset signal input from the master control IC “L”: reset
78
SOFT TEST
O
Output for the software test point
79
VOL B
I
Jog dial pulse signal input from VOLUME rotary encoder (B phase input)
80
VOL A
I
Jog dial pulse signal input from VOLUME rotary encoder (A phase input)
81
VSS-CPU
—
Ground pin (for CPU)
82
XOUT
O
System clock signal output (4 MHz)
83
XIN
I
System clock signal input (4 MHz)
84
VCC-CPU
—
Power supply pin (+3.3 V) (for CPU)
85
NO USE
—
Not used. (Fixed at “L” in this set.)
86 to 100
G19 to G5
O
Grid drive signal output to the fluorescent indicator tube
