Datasheet

V
OL
− Low-Level Output V oltage − V
0.0
1.0
2.0
3.0
4.0
5.0
0.0 0.2 0.4 0.6 0.8 1.0
V
CC
= 3 V
T
A
= 25°C
OL
I − Low-Level Output Current − mA
T
A
= 85°C
MSP430F20x3
MSP430F20x2
MSP430F20x1
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SLAS491I AUGUST 2005REVISED DECEMBER 2012
USI, Universal Serial Interface (MSP430F20x2, MSP430F20x3)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
External: SCLK, 2.2 V 10
f
USI
USI clock frequency Duty cycle = 50% ±10%, MHz
3 V 16
SPI slave mode
USI module in I2C mode,
V
OL,I2C
Low-level output voltage on SDA and SCL 2.2 V, 3 V V
SS
V
SS
+ 0.4 V
I
(OLmax)
= 1.5 mA
Typical Characteristics, USI Low-Level Output Voltage on SDA and SCL
(MSP430F20x2, MSP430F20x3)
USI LOW-LEVEL OUTPUT VOLTAGE USI LOW-LEVEL OUTPUT VOLTAGE
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 14. Figure 15.
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