VDD*
RESET
DBO-DB7
I'PD8 OC 4 8
*
-WR- 1-----..!.!.1'-----j ST
*
I'PD7 7 5 5 .I'PD7 756
P
10
1 - - - - - -____
--1 C S
Fig.
4-1
Circuit Example when Control is by Host
*
Use
5V~lO%
for VOO. When a 3V line is used, the
minimum pulse
width
for the
~P07755
/7756
ST input
becomes
2~s
and
it
no longer possible to use the WR
output of the
~P080C48.
4-2