Datasheet

MSP430F42xA
MIXED SIGNAL MICROCONTROLLER
SLAS587 -- FEBRUARY 2008
23
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
SVS (supply voltage supervisor/monitor) (see Note 1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
dV
CC
/dt > 30 V/ms (see Figure 9) 5 150
μ
s
t
(SVSR)4
dV
CC
/dt ≤ 30 V/ms 2000
μs
t
d(SVSon)
SVSon, switch from VLD = 0 to VLD ≠ 0, V
CC
=3V 20 150 μs
t
settle
VLD ≠ 0
‡
12 μs
V
(SVSstart)
VLD ≠ 0, V
CC
/dt ≤ 3 V/s (see Figure 9) 1.55 1.7 V
VLD = 1 70 120 155 mV
V
h
y
s
(
S
V
SIT--
)
V
CC
/dt ≤ 3 V/s (see Figure 9)
VLD=2to14
V
(SVS_IT--)
x 0.001
V
(SVS_IT--)
x 0.016
V
h
y
s
(
S
V
S
_
I
T
--
)
V
CC
/dt ≤ 3 V/s (see Figure 9),
External voltage applied on P2.3
VLD = 15 1 20 mV
VLD = 1 1.8 1.9 2.05
VLD = 2 1.94 2.1 2.25
VLD = 3 2.05 2.2 2.37
VLD = 4 2.14 2.3 2.48
VLD = 5 2.24 2.4 2.6
VLD = 6 2.33 2.5 2.71
V
/
d
t
≤
3
V
/
s
(
s
e
e
F
i
g
u
r
e
9
)
VLD = 7 2.46 2.65 2.86
V
(
S
V
S
I
T
)
V
CC
/
dt ≤ 3V
/
s(seeFigure9)
VLD = 8 2.58 2.8 3
V
V
(SVS_IT--)
VLD = 9 2.69 2.9 3.13
V
VLD = 10 2.83 3.05 3.29
VLD = 11 2.94 3.2 3.42
VLD = 12 3.11 3.35 3.61
†
VLD = 13 3.24 3.5 3.76
†
VLD = 14 3.43 3.7
†
3.99
†
V
CC
/dt ≤ 3 V/s (see Figure 9),
External voltage applied on P2.3
VLD = 15 1.1 1.2 1.3
I
CC(SVS)
(see Note 1)
VLD ≠ 0, V
CC
=2.2V/3V 10 15 μA
†
The recommended operating voltage range is limited to 3.6 V.
‡
t
settle
is the settling time that the comparator o/p needs to have a stable level after VLD is switched VLD ≠ 0 to a different VLD value somewhere
between 2 and 15. The overdrive is assumed to be > 50 mV.
NOTE 1: The current consumption of the SVS module is not included in the I
CC
current consumption data.