Datasheet

MSP430F5229, MSP430F5227, MSP430F5224, MSP430F5222
MSP430F5219, MSP430F5217, MSP430F5214, MSP430F5212
SLAS718D –NOVEMBER 2012–REVISED OCTOBER 2013 www.ti.com
Schmitt-Trigger Inputs – General-Purpose I/O DVCC Domain
(1)
(P1.0 to P1.3, P5.0 to P5.5, P6.0 to P6.7, PJ.0 to PJ.3, RSTDVCC)
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 20 35 50 kΩ
For pulldown: V
IN
= V
CC
C
I
Input capacitance V
IN
= V
SS
or V
CC
5 pF
(1) Same parametrics apply to clock input pin when crystal bypass mode is used on XT1 (XIN) or XT2 (XT2IN).
Schmitt-Trigger Inputs – General-Purpose I/O DVIO Domain
(P1.4 to P1.7, P2.0 to P2.7, P3.0 to P3.4, P4.0 to P4.7, P7.0 to P7.5, RST/NMI, BSLEN)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
IO
MIN TYP MAX UNIT
1.62 V 0.8 1.25
V
IT+
Positive-going input threshold voltage V
CC
= 3.0 V V
1.98 V 1.1 1.40
1.62 V 0.3 0.7
V
IT–
Negative-going input threshold voltage V
CC
= 3.0 V V
1.98 V 0.5 1.0
V
hys
Input voltage hysteresis (V
IT+
– V
IT–
) V
CC
= 3.0 V 1.62 V to 1.98 V 0.3 0.8 V
For pullup: V
IN
= V
SS
,
R
Pull
Pullup or pulldown resistor 20 35 50 kΩ
For pulldown: V
IN
= V
IO
C
I
Input capacitance V
IN
= V
SS
or V
IO
5 pF
Inputs – Interrupts DVCC Domain Port P1
(P1.0 to P1.3)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN MAX UNIT
t
(int)
External interrupt timing
(1)
External trigger pulse duration to set interrupt flag 1.8 V, 3 V 20 ns
(1) 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)
.
Inputs – Interrupts DVIO Domain Ports P1 and P2
(P1.4 to P1.7, P2.0 to P2.7)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
IO
(1)
MIN MAX UNIT
External trigger pulse duration to set interrupt flag,
t
(int)
External interrupt timing
(2)
1.62 V to 1.98 V 20 ns
V
CC
= 1.8 V or 3.0 V
(1) In all test conditions, V
IO
≤ V
CC
.
(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)
.
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