MSP43020X3 Datasheet, PDF (24/92 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F20x3
MSP430F20x2
MSP430F20x1
SLAS491H – AUGUST 2005 – REVISED AUGUST 2011
Schmitt-Trigger Inputs (Ports P1 and P2)
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
2.2 V
3V
MIN
0.45 V_CC
1.00
1.35
TYP
V_IT- Negative-going input threshold voltage
2.2 V
3V
0.25 V_CC
0.55
0.75
V_hys Input voltage hysteresis (V_IT+ - V_IT-)
2.2 V
0.2
3V
0.3
R_Pull
C_I
Pullup/pulldown resistor
Input capacitance
For pullup: V_IN = V_SS,
For pulldown: V_IN = V_CC
V_IN = V_SS or V_CC
20
35
5
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MAX
0.75 V_CC
1.65
2.25
0.55 V_CC
1.20
1.65
1.0
1.0
UNIT
V
V
V
50 kΩ
pF
Inputs (Ports P1 and P2)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
t_(int) External interrupt timing
TEST CONDITIONS
Port P1, P2: P1.x to P2.x, External trigger pulse
width to set interrupt flag⁽¹⁾
V_CC
2.2 V/3 V
MIN TYP
20
MAX UNIT
ns
(1) An external signal sets the interrupt flag every time the minimum interrupt pulse width t_(int) is met. It may be set even with trigger signals
shorter than t_(int).
Leakage Current (Ports P1 and P2)
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
2.2 V/3 V
MIN MAX UNIT
±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.
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