RA8835A
Version 1.0
Dot Matrix LCD Controller
10-3-2 6800 Family Interface Timing
E
tCYC6
tAW6
tEW
R/W
tAH6
tDH6
A0, CS
tOS6
D0 to D7
(write)
tACC6
tOH6
D0 to D7
(Read)
Ta = –20 to 75°C
VDD = 4.5 to 5.5V VDD = 2.7 to 4.5V
Signal
Symbol
Parameter
Unit Condition
Min.
note.
0
Max.
—
Min.
note.
10
Max.
—
tCYC6
tAW6
tAH6
tDS6
tDH6
tOH6
tACC6
tEW
System cycle time
Address setup time
Address hold time
Data setup time
Data hold time
ns
ns
ns
A0, CS,
R/( W )
—
—
0
—
0
—
100
0
—
120
0
—
ns
ns
ns
ns
ns
CL = 100
pF
—
—
D0 to D7
E
Output disable time
Access time
10
50
85
—
10
75
130
—
—
—
Enable pulse width
120
150
Note: For memory control and system control commands:
tCYC6 = 2tC + tEW + tCEA + 75 > tACV + 245
For all other commands:
tCYC6 = 4tC + tEW + 30
RAiO TECHNOLOGY INC.
www.raio.com.tw
82/88
RAIO [ RAIO TECHNOLOGY INC. ]
