98
HCD-C770/C990
Pin No.
Pin Name
I/O
Description
167
XTAL
I
33.8688 MHz clock signal input terminal
168
VSS
—
Ground terminal (digital system)
169
XTA2
O
System clock output terminal (33.8688 MHz)
170
XTA1
I
System clock input terminal (33.8688 MHz)
171
VDD
—
Power supply terminal (+3.3V) (digital system)
172 to 176
D0 to D4
I/O
Two-way data bus with the mechanism controller