Datasheet

V
OL
− Low-Level Output Voltage − 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
= 2.2 V
T
A
= 25°C
OL
I − Low-Level Output Current − mA
T
A
= 85°C
V
OL
− Low-Level Output Voltage − 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
MSP430G2x52
MSP430G2x12
www.ti.com SLAS722G –DECEMBER 2010–REVISED MAY 2013
USI, Universal Serial Interface
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,
f
USI
USI module clock frequency f
SYSTEM
MHz
Duty cycle = 50% ± 10%
f
(SCLK)
Serial clock frequency, slave mode SPI slave mode 3 V 6 MHz
Low-level output voltage on SDA and USI module in I2C mode, V
SS
V
OL,I2C
3 V V
SS
V
SCL I
(OLmax)
= 1.5 mA + 0.4
Typical Characteristics -- USI Low-Level Output Voltage on SDA and SCL
Figure 16. USI Low-Level Output Voltage vs Output Current Figure 17. USI Low-Level Output Voltage vs Output Current
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