Datasheet

MSP430F41x2
MIXED SIGNAL MICROCONTROLLER
SLAS648E -- APRIL 2009 -- REVISED MARCH 2011
26
POST OFFICE BOX 655303  DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
Schmitt-trigger inputs -- ports P1, P2, P3, P4, P5, P6, and P7, RST/NMI, JTAG (TCK, TMS, TDI/TCLK, TDO/TDI)
PARAMETER V
CC
MIN MAX UNIT
V
P
o
s
i
t
i
e
g
o
i
n
g
i
n
p
t
t
h
r
e
s
h
o
l
d
o
l
t
a
g
e
2.2 V 1.1 1.55
V
V
IT+
Positive-going input threshold voltage
3V
1.5 1.98
V
V
N
e
g
a
t
i
e
g
o
i
n
g
i
n
p
t
t
h
r
e
s
h
o
l
d
o
l
t
a
g
e
2.2 V 0.4 0.9
V
V
IT--
Negative-going input threshold voltage
3V
0.9 1.3
V
V
I
n
p
u
t
v
o
l
t
a
g
e
h
y
s
t
e
r
e
s
i
s
(
V
V
)
2.2 V 0.3 1.1
V
V
hys
Input voltage hysteresis (V
IT+
-- V
IT--
)
3V 0.5 1
V
inputs Px.y, TAx
PARAMETER TEST CONDITIONS V
CC
MIN MAX UNIT
t
E
x
t
e
r
n
a
l
i
n
t
e
r
r
u
p
t
t
i
m
i
n
g
Port P1, P2: P1.x to P2.x, external trigger signal
2.2 V 62
n
s
t
(int)
External interrupt timing
P
o
r
t
P
1
,
P
2
:
P
1
.
x
t
o
P
2
.
x
,
e
x
t
e
r
n
a
l
t
r
i
g
g
e
r
s
i
g
n
a
l
for the interrupt flag (see Note 1)
3V 50
ns
t
T
i
m
e
r
A
c
a
p
t
u
r
e
t
i
m
i
n
g
T
A
0
T
A
1
T
A
2
2.2 V 62
n
s
t
(cap)
Timer
_
A
capture timing T
A
0, T
A
1, T
A
2
3V 50
ns
f
Timer
_
A
clock
f
re
q
uenc
y
externall
y
T
A
C
L
K
I
N
C
L
K
:
t
t
2.2 V 8
M
H
z
f
(TAext)
T
i
m
e
r
_
A
c
l
o
c
k
f
r
e
q
u
e
n
c
y
e
x
t
e
r
n
a
l
l
y
applied to pin
T
A
CLK, INCLK: t
(H)
=t
(L)
3V 10
MHz
f
T
i
m
e
r
A
c
l
o
c
k
f
r
e
q
u
e
n
c
y
S
M
C
L
K
o
r
A
C
L
K
s
i
g
n
a
l
s
e
l
e
c
t
e
d
2.2 V 8
M
H
z
f
(TAint)
Timer
_
A
,clock
f
requency SMCLK or
A
CLK signal selected
3V 10
MHz
NOTES: 1. The external signal sets the interrupt flag every time the minimum t
(int)
parameters are met. It may be set even with trigger signals
shorter than t
(int)
.
leakage current -- ports P1, P2, P3, P4, P5, P6, and P7 (see Note 1)
PARAMETER TEST CONDITIONS V
CC
MIN MAX UNIT
I
lkg(Px.y)
Leakage current Port Px V
(Px.y)
(see Note 2) 2.2 V/3 V 50 nA
NOTES: 1. The leakage current is measured with V
SS
or V
CC
applied to the corresponding pin(s), unless otherwise noted.
2. The port pin must be selected as input.