Datasheet

0
1
t
d(BOR)
V
CC
V
(B_IT−)
V
hys(B_IT−)
V
CC(start)
MSP430G2x31
MSP430G2x21
www.ti.com SLAS694J –FEBRUARY 2010–REVISED FEBRUARY 2013
POR, BOR
(1)(2)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
V
CC(start)
See Figure 10 dV
CC
/dt ≤ 3 V/s 0.7 × V
(B_IT–)
V
V
(B_IT–)
See Figure 10 through Figure 12 dV
CC
/dt ≤ 3 V/s 1.35 V
V
hys(B_IT–)
See Figure 10 dV
CC
/dt ≤ 3 V/s 140 mV
t
d(BOR)
See Figure 10 2000 µs
Pulse duration needed at RST/NMI pin to
t
(reset)
2.2 V, 3 V 2 µs
accepted reset internally
(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 ≤ 1.8 V.
(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 DCO 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.
Figure 10. POR and BOR vs Supply Voltage
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 21