Epson PX-8 - Page 299

REV.-A
Pin No. Signal Name In/Out
Function
54
N/C
-
Not used.
55
N/C
-
Not used.
56
DB4
In/Out
Data bus 4
57 AB 7
In
Address bus 27
58
DB 7
In/Out
Data bus.
59
2.45 In 2.45 MHz clock on which timer and baud
rate generator are based.
60 VC
-
Circuit voltage (+5V)
7-28