Datasheet

MSP430F5172, MSP430F5152, MSP430F5132
MSP430F5171, MSP430F5151, MSP430F5131
SLAS619K –AUGUST 2010–REVISED JANUARY 2014 www.ti.com
Schmitt-Trigger Inputs – General Purpose I/O (P1.0 to P1.5, P3.2 to P3.7, and PJ.0 to PJ.6)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
1.8 V 0.80 1.40
V
IT+
Positive-going input threshold voltage V
3 V 1.50 2.10
1.8 V 0.45 1.00
V
IT–
Negative-going input threshold voltage V
3 V 0.75 1.65
1.8 V 0.3 0.8
V
hys
Input voltage hysteresis (V
IT+
– V
IT–
) V
3 V 0.4 1.0
For pullup: V
IN
= V
SS
R
Pull
Pullup or pulldown resistor
(1)
20 35 50 kΩ
For pulldown: V
IN
= V
CC
C
I
Input capacitance V
IN
= V
SS
or V
CC
5 pF
(1) Also applies to RST pin when pullup or pulldown resistor is enabled.
Schmitt-Trigger Inputs – General Purpose I/O (P1.6 and P1.7, P2.0 to P2.7, and P3.0 and P3.1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
IO
MIN TYP MAX UNIT
1.8 V 0.80 1.40
V
IT+
Positive-going input threshold voltage 3 V 1.20 2.00 V
5 V 2.10 2.50
1.8 V 0.45 0.90
V
IT–
Negative-going input threshold voltage 3 V 0.75 1.30 V
5 V 1.10 1.60
1.8 V 0.27 0.45
V
hys
Input voltage hysteresis (V
IT+
– V
IT–
) 3 V 0.45 0.65 V
5 V 0.9 1.2
For pullup: V
IN
= V
SS
R
Pull
Pullup or pulldown resistor 20 35 50 kΩ
For pulldown: V
IN
= V
CC
C
I
Input capacitance V
IN
= V
SS
or V
CC
5 pF
Inputs – Ports P1 and P2
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
or V
IO
MIN MAX UNIT
Port P1.0 to P1.5, External trigger pulse duration to
1.8 V to 3.6 V 20
set interrupt flag
t
(int)
External interrupt timing
(2)
ns
Port P1.6 and P1.7, and P2.0 to P2.7, External
1.8 V to 5 V 25
trigger pulse duration to set interrupt flag
(1) Some devices may contain additional ports with interrupts. See the block diagram and terminal function descriptions.
(2) An external signal sets the interrupt flag every time the minimum interrupt pulse duration t
(int)
is met. It may be set by trigger signals
shorter than t
(int)
.
Leakage Current – General Purpose I/O
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
Port P1.0 to P1.5, P3.0 to
1.8 V to 3.6 V ±1 ±50
P3.7, PJ.0 to PJ.6
High-impedance
I
lkg(Px.y)
(1) (2)
nA
leakage current
Port P1.6 and P1.7, P2.0 to
1.8 V to 5 V ±1 ±50
P2.7
(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 or pulldown resistor is
disabled.
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