Casio CZ-1 - Page 81

Pin No.
Tarmlnal Nam*
In/Out F unaion
47-64
PFO (AS8)
-
PF7
(AS15)
Out Upptr address
signals
(ASS
-
AS15).
66-62
POO
(OSO)
~
PD7
(OS7)
In/Out Data
signals
(OSO
-
OS7).
63,64
VDD,
Vcc
+5V
powtr
tourct.
Data Read and Write Timing
Chart
Data Read
Clock pulM
(M7-OI
A07-0
(P07-0*
Ad*,-
w— h^A^ v r-_
Data Write
Dock pulit
.
ALf
UWWUfh^
(PO7-0»
y
Addmi
-Ty
WR >
Dlf
Wr
if
"
-20-