Epson LQ 1050 - B/W Dot-matrix Printer - Page 196

Table A-7. GA E05A15HA Port Functions (cent’d)
Pin No.
Signal Name
Direction
Function
51
A3
J
~
OUT
Address output signal
55
A7
56
DBO
J
\
IN/OUT
Input/Output Data Bus
60
DB4
61
DB5
J \
IN Input Data Bus
63
DB7
64 VDD +5V
NOTE: “Direction” refers to the direction of signal flow as viewed from the gate array.
A-1 O