RA8806
Preliminary Version 1.0
Two Layers Character/Graphic LCD Controller
tAH8
tAS8
RS
ZCS1
CS2
tCYC8
ZWR
ZRD
tCC8
tDH8
tDS8
DATA
(Write)
tOH8
tACC8
DATA
(Read)
Figure 6-3 : 8080 MPU Interface Waveform
Table 6-1 : 8080 MPU Interface Timing
Rating
Unit
Symbol
Description
Condition
Min.
2*tc
50
Max.
tCYC8
tCC8
tAS8
Cycle time
--
ns
ns
ns
tc = one system clock period
Strobe Pulse width
Address setup time
--
0
--
tAH8
tDS8
Address hold time
Data setup time
20
30
--
--
ns
ns
tDH8
tACC8
tOH8
Data hold time
20
0
--
ns
ns
ns
Data output access time
Data output hold time
20
10
0
RAiO TECHNOLOGY INC.
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