NT68275 View Datasheet(PDF) - Novatek Microelectronics
Part Name
Description
Manufacturer
NT68275 Datasheet PDF : 38 Pages
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NT68275
IIC Bus - Slave Transmitter & Receiver (Slave address: $7A & $7B)
Table 1. IIC Bus
Symbol
Parameter
Min. Typ. Max. Unit
Notes
Fmaxcl Maximum SCL Clock Frequency
100 KHz
VIL
Input Low Voltage
-0.5
1.5
V
VIH
Input High Voltage
3.0
5.5
V
Tlow Low Period of SCL Clock
4.7
us
Thigh High Period of SCL Clock
4.0
us
Tsudat Data Setup Time
250
ns
Thddat Data Hold Time
300
ns
Tiicr Rise Time of IIC Bus
Tiicf
Fall Time of IIC Bus
1000
300
ns
ns SCL, SDA
Tsusta
Setup Time for Repeated START
Condition
1.3
us
Thdsta Hold Time for START Condition
4.0
us
Tsusta Setup Time for START Condition
4.7
us
Tsusto Setup Time for STOP Condition
4.0
us
Tiicbuf
Time IIC bus must be free before next
new transmission can start
4.7
us
Iiicl
IIC Bus Sink Current
4
5
mA Viicoutl = 0.4 V
Tfilter Input Filter Spike Suppression
100 ns SCL, SDA
See also IIC Table Control and IIC Sub Address Control
SDA
Tiicbuf
Tlow Tiicr
Tiicf
Thdsta
SCL
Thdsta
STOP START
Thddat
Thigh
Tsudat
Tsusta
START
Figure 3. IIC Bus Timing
8
Tsusto
STOP
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