MSP43020X3 Datasheet, PDF (27/92 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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MSP430F20x3
MSP430F20x2
MSP430F20x1
SLAS491H – AUGUST 2005 – REVISED AUGUST 2011
POR/Brownout Reset (BOR)⁽¹⁾
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
V_CC(start)
V_{(B_IT-)}
V_{hys(B_IT-)}
t_d(BOR)
t_(reset)
PARAMETER
See Figure 8
See Figure 8 through Figure 10
See Figure 8
See Figure 8
Pulse length needed at RST/NMI pin to
accepted reset internally
TEST CONDITIONS
dV_CC/dt ≤ 3 V/s
dV_CC/dt ≤ 3 V/s
dV_CC/dt ≤ 3 V/s
V_CC
MIN TYP
0.7 ×
V_{(B_IT-)}
70
130
2.2 V/3 V
2
MAX UNIT
V
1.71 V
210 mV
2000 µs
µs
(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.
VCC
Vhys(B_IT−)
V(B_IT−)
V_{CC(s t ar t )}
1
0
t _d(BOR)
Figure 8. POR/Brownout Reset (BOR) vs Supply Voltage
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