Epson PX-8 - Page 93

REV.-A
KSCO
2
3
4
5
6
7
8
9
KRTNX
n
Approx. 30 msec.
Approx. 1 msec.
-
-
-
-
r----
'--
JLJ
U
u
u
u
u
u
u
r / / / / / / / / / / / / / / / / ILJ
Fig. 2-69 KSC Line Pulse Signals
The KSC signals are controlled by the sub-CPU and the decoder IC 1 E, as shown in Table 2-14.
Table 2-14
Input(1E)
Output
A B C D 0 1 2 3
4
5 6
7 8 9
L L L L L H H
H
H
H H H H H
H
L L L H L
H H
H
H H H H H
L H L
L
H H L
H
H
H H H H H
H H
L L H H H L H H
H H H H
L L H L H H H H L H H
H H H
H
L H L H H H H H L
H H H H
L H H L H H H H H H L
H H H
H H H
L H H H H H H H L
H H
L L L H H H H H H H H
H
L H
H
L L H H H
H H
H
H H H H
L
2-69