MSP430G2955 Datasheet, PDF (22/72 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2955
MSP430G2855
MSP430G2755
SLAS800 – MARCH 2013
Schmitt-Trigger Inputs, Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
V_IT+ Positive-going input threshold voltage
TEST CONDITIONS
V_CC
MIN TYP
0.45 V_CC
3V
1.35
V_IT– Negative-going input threshold voltage
0.25 V_CC
3V
0.75
V_hys Input voltage hysteresis (V_IT+ – V_IT–)
3V
R_Pull Pullup or pulldown resistor
For pullup: V_IN = V_SS
For pulldown: V_IN = V_CC
3V
C_I
Input capacitance
V_IN = V_SS or V_CC
0.3
20
35
5
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MAX
0.75 V_CC
2.25
0.55 V_CC
1.65
1
UNIT
V
V
V
50 kΩ
pF
Leakage Current, Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
I_lkg(Px.y)
PARAMETER
High-impedance leakage current
TEST CONDITIONS
(1) (2)
V_CC
MIN MAX UNIT
3V
±50 nA
(1) The leakage current is measured with V_SS or V_CC applied to the corresponding pin(s), unless otherwise noted.
(2) The leakage of the digital port pins is measured individually. The port pin is selected for input and the pullup/pulldown resistor is
disabled.
Outputs, Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
V_OH High-level output voltage
V_OL Low-level output voltage
TEST CONDITIONS
I_(OHmax) = –6 mA ⁽¹⁾
I_(OLmax) = 6 mA ⁽¹⁾
V_CC
MIN
TYP MAX UNIT
3V
V_CC – 0.3
V
3V
V_SS + 0.3
V
(1) The maximum total current, I_(OHmax) and I_(OLmax), for all outputs combined should not exceed ±48 mA to hold the maximum voltage drop
specified.
Output Frequency, Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
f_Px.y
f_{Port_CLK}
PARAMETER
Port output frequency
(with load)
Clock output frequency
TEST CONDITIONS
Px.y, C_L = 20 pF, R_L = 1 kΩ^{(1) (2)}
Px.y, C_L = 20 pF⁽²⁾
V_CC
MIN TYP
3V
12
3V
16
MAX UNIT
MHz
MHz
(1) A resistive divider with two 0.5-kΩ resistors between V_CC and V_SS is used as load. The output is connected to the center tap of the
divider.
(2) The output voltage reaches at least 10% and 90% V_CC at the specified toggle frequency.
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