MSP430G2332-EP Datasheet, PDF (31/55 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2332-EP
www.ti.com
SLAS885A – AUGUST 2012 – REVISED OCTOBER 2012
USI, Universal Serial Interface⁽¹⁾
over recommended ranges of supply voltage and up to operating free-air temperature, T_A = 105°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
MIN TYP MAX UNIT
f_USI
USI module clock frequency
External: SCLK,
Duty cycle = 50% ± 10%
f_SYSTEM
MHz
f_(SCLK)
V_OL,I2C
Serial clock frequency, slave mode
Low-level output voltage on SDA and SCL
SPI slave mode
USI module in I2C mode,
I_(OLmax) = 1.5 mA
3V
3V
V_SS
6
V_SS
+ 0.4
MHz
V
(1) Parameters are characterized up to T_A = 105°C, unless otherwise noted.
Typical Characteristics – USI Low-Level Output Voltage on SDA and SCL
5.0
V_CC = 2.2 V
4.0
3.0
T_A = 25°C
T_A = 85°C
5.0
V_CC = 3 V
4.0
3.0
T_A = 25°C
T_A = 85°C
2.0
2.0
1.0
1.0
0.0
0.0
0.2
0.4
0.6
0.8
1.0
V_OL − Low-Level Output Voltage − V
Figure 17. USI Low-Level Output Voltage vs Output Current
0.0
0.0
0.2
0.4
0.6
0.8
1.0
V_OL − Low-Level Output Voltage − V
Figure 18. USI Low-Level Output Voltage vs Output Current
Copyright © 2012, Texas Instruments Incorporated
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