Intel MCS48 User Manual page 209

8355/8355-2
Figure
1.
Clock
Specification for
8355
"S-10
IO/M
ADo-7
zx
a
(CE,=0 -CE
2
=
1)
J
A
/
\
/
\
I
V
\
>—
ex
x
\
\
XI
j
—
c
x:
/
A
1
I
Figure
2.
ROM
Read and
I/O
Read and
Write
6-57