DATA SHEET
MSP 34x0G
4.6.3.4. I2C-Bus Characteristics
Symbol
Parameter
Pin Name
Limit Values
Typ.
Unit
Test Conditions
Min.
Max.
2
V
V
I C-Bus Input Low Voltage
I2C_CL,
I2C_DA
0.3
V
V
I2CIL
I2CIH
I2C1
SUP2
SUP2
2
I C-Bus Input High Voltage
0.6
120
120
55
2
t
t
t
I C Start Condition Setup Time
ns
ns
ns
2
I C Stop Condition Setup Time
I2C2
2
I C-Data Setup Time
I2C5
before Rising Edge of Clock
2
t
I C-Data Hold Time
55
ns
I2C6
after Falling Edge of Clock
2
t
t
f
I C-Clock Low Pulse Time
I2C_CL
500
500
ns
I2C3
I2C4
I2C
2
I C-Clock High Pulse Time
ns
2
I C-BUS Frequency
1.0
0.4
1.0
MHz
V
2
V
I C-Data Output Low Voltage
I2C_CL,
I2C_DA
I
= 3 mA
I2COL
I2COH
I2COL
2
I
t
t
I C-Data Output
µA
V
= 5 V
I2COH
High Leakage Current
2
I C-Data Output Hold Time
15
ns
ns
I2COL1
I2COL2
after Falling Edge of Clock
2
I C-Data Output Setup Time
100
f
= 1 MHz
I2C
before Rising Edge of Clock
1/FI2C
TI2C4
TI2C3
I2C_CL
TI2C1
TI2C5
TI2C6
TI2C2
I2C_DA as input
I2C_DA as output
TI2COL2
TI2COL1
Fig. 4–26: I2C bus timing diagram
Micronas
May 27, 2003; 6251-476-1DS
71
MICRONAS [ MICRONAS ]
