MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
wake-up LPM3
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
f = 1 MHz
6
t
d(LPM3)
Delay time
f = 2 MHz
V
CC =
2.2 V/3 V
6
s
t
d(LPM3)
Delay time
f = 3 MHz
V
CC =
2.2 V/3 V
6
s
POR/brownout reset (BOR) (see Note 1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t
d(BOR)
2000
s
V
CC(start)
dV
CC
/dt
3 V/s (see Figure 7)
0.7
V
(B_IT--)
V
V
(B_IT--)
Brownout
dV
CC
/dt
3 V/s (see Figure 7 through Figure 9)
1.71
V
V
hys(B_IT--)
(see Note 2)
dV
CC
/dt
3 V/s (see Figure 7)
mV
t
(reset)
Pulse length needed at RST/NMI pin to accepted reset internally,
V
CC
= 2.2 V/3 V
2
s
NOTES: 1. The current consumption of the brownout module is already included in the I
CC
current consumption data. The voltage level V
(B_IT--)
+ V
hys(B_IT--)
is
1.8V.
2. During power up, the CPU begins code execution following a period of t
d(BOR)
after V
CC
= V
(B_IT--)
+ V
hys(B_IT--)
. The default
FLL+ settings must not be changed until V
CC
V
CC(min)
, where V
CC(min)
is the minimum supply voltage for the desired
operating frequency. See the
MSP430x4xx Family User’s Guide
(SLAU056) for more information on the brownout.
typical characteristics
0
1
t d(BOR)
VCC
V(B_IT--)
Vhys(B_IT--)
V
CC(start)
Figure 7. POR/Brownout Reset (BOR) vs Supply Voltage
Summary of Contents for MSP430FG47x
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