NEC PC-8201 - Page 131

S tro bed output mode
STROBE
lNTR7,
-
WR
i
L
I 'WP
OUTPUT DATA
I
\r
TO PORT
A
Basic illput mode
INPUT
k
---------
DATA BUS
- -- --- - - --
Basic output mode
DATA BUS '
------
OUTPUT
'The timing for DATA BUS is the same
3s that for read or write cycle.
Timer waveform
Count length register
Count length register
1211
Note
3:
This dotted-line pulse is periodically ourput depending on the program contents
for the output mode
(MI = 11.