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4.8.4 M68 type CPU bus write in timing
Fig-4 Data write-in Timing Diagram(M68 bus interface)
4.8.5 M68 type CPU bus read-out Timing
Fig-5 Data read-out Timing Diagram (M68)
4.9 Connector Pin Assignment 1 GND 8 DB1
Fourteen of though hole are prepared for power supply 2 Vcc 9 DB2
And signal interface. A connecter may be able to soldered
to the holes. Location and dimensions are Shown at fig-8
on page 7/8.
) The third hole (pin #3) can be used for reset input if the
soldering pad “jp1” is short-circuited.
(Refer to “Fig_6 System Block Diagram” on next )
No Signal No SIGNAL
3 */RST 10 DB3
4 RS 11 DB4
5
R/W(/WR)
12 DB5
6 E(/RD) 13 DB6
7 DB0 14 DB7
Tsh(rs,r/w)
Min 20ns
Twh
Min 230ns
Tdly
Max 160ns
Thrd
Min 5ns
Th
Min 10ns
Tcyc
Max 160ns
R/W
RS
E
DB0-DB7
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