ST7556 Sitronix Technology, ST7556 Datasheet - Page 37

• Manufacturer Part Number: ST7556
• Description: 65 x 102 Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7556
SERIAL INTERFACE (4-Line Interface)
Ver 2.2
(CS2="1")
Serial Clock Period
SCL “H” pulse width
SCL “L” pulse width
Address setup time
Address hold time
Data setup time
Data hold time
CS-SCL time
CS-SCL time
Serial Clock Period
SCL “H” pulse width
SCL “L” pulse width
Address setup time
Address hold time
Data setup time
Data hold time
CS-SCL time
CS-SCL time
/CS1
SCL
A0
SI
Item
Item
t
f
t
CCSS
Signal
Signal
CSB
SCL
t
CSB
SCL
SLW
A0
A0
SI
SI
t
t
SAS
SDS
tSCYC
tSHW
tSLW
tSAS
tSAH
tSDS
tSDH
tCSS
tCSH
tSHW
tSDS
tSCYC
tSLW
tSAS
tSAH
tSDH
tCSS
tCSH
Fig 20.
Symbol
Symbol
37/43
t
SCYC
t
r
Condition
Condition
t
t
SAH
SDH
t
CSH
t
SHW
Min.
Min.
100
160
140
50
50
30
20
30
20
30
50
25
25
20
10
20
10
20
(V
(V
Rating
Rating
DD
DD
=2.7V,Ta=30~85 ℃ )
=3.3V,Ta=30~85 ℃ )
Max.
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2005/10/05
Units
Units
ns
ns