ST7556 Sitronix Technology, ST7556 Datasheet - Page 35
![no-image](/images/no-image-200.jpg)
ST7556
Manufacturer Part Number
ST7556
Description
65 x 102 Dot Matrix LCD Controller/Driver
Manufacturer
Sitronix Technology
Datasheet
1.ST7556.pdf
(43 pages)
- Current page: 35 of 43
- Download datasheet (468Kb)
www.DataSheet4U.com
ST7556
System Bus Read/Write Characteristics 1 (For the 6800 Series MPU)
Ver 2.2
(CS2="1")
D0 to D7
D0 to D7
(Write)
(Read)
Address hold time
Address setup time
System cycle time
Enable L pulse width (WRITE)
Enable H pulse width (WRITE)
Enable L pulse width (READ)
Enable H pulse width (READ)
WRITE Data setup time
WRITE Address hold time
READ access time
READ Output disable time
CS1
R/W
A0
E
Item
t
AW6
D0 to D7
Signal
WR
RD
A0
t
ACC6
tAH6
tAW6
tCYC6
tEWLW
tEWHW
tEWLR
tEWHR
tDS6
tDH6
tACC6
tOH6
t
Symbol
CCLR
Figure 19.
,t
CCLW
t
35/43
DS6
t
CYC6
CL = 100 pF
CL = 100 pF
Condition
t
DH6
t
t
AH6
OH6
t
CCHR
(V
,t
CCHW
Min.
DD
240
140
10
80
80
40
—
0
80
0
5
= 3.3 V , Ta = 30~85°C )
Rating
Max.
70
50
—
—
—
—
—
—
—
—
2005/10/05
Units
ns
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