ST7571 Sitronix Technology, ST7571 Datasheet - Page 63

• Manufacturer Part Number: ST7571
• Description: 4 Gray Scale Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7571
Serial I
SCL clock frequency
SCL clock low period
SCL clock high period
Data set-up time
Data hold time
SCL,SDA rise time
SCL,SDA fall time
Capacitive load represented by each bus line
Setup time for a repeated START condition
Start condition hold time
Setup time for STOP condition
Tolerable spike width on bus
BUS free time between a STOP and START condition
Note:
l
l
Ver 1.5a
All timing is specified using 20% and 80% of VDD1 as the standard.
It is recommended to operate the I
2
C Interface
Item
2
C interface with VDD1 higher than 2.6V.
Signal
SDA
SDA
SDA
SDA
63/76
Fig. 35
SCL
SCL
SCL
SCL
SCL
SCL
THD;Data
TSU;Data
TSU;SUA
TSU;STO
THD;STA
Symbol
FSCLK
THIGH
TLOW
TBUF
TSW
TR
Cb
TF
Condition
(VDD1 = 3.3V, Ta =-30~85°C )
20+0.1Cb
20+0.1Cb
Min.
100
1.3
0.6
0.6
0.6
0.6
1.3
0
-
-
-
Rating
Max.
400
400
300
300
0.9
50
-
-
-
-
-
-
2009/7/21
Units
kHZ
pF
us
us
ns
us
ns
ns
us
us
us
ns
us