MSP430F43X_14 Datasheet, PDF (30/70 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F43x
MIXED SIGNAL MICROCONTROLLER
SLAS713 -- JUNE 2010
typical characteristics
VCC
V(SVS_IT--)
V(SVSstart)
V(B_IT--)
VCC(start)
Brownout
1
Vhys(SVS_IT--)
V_{hys(B_IT--)}
Brownout
Region
Software Sets VLD>0:
SVS is Active
0
SVS_Out
1
td(BOR)
SVS Circuit is Active From VLD > to V_CC < V(_{B_IT--)}
0
Set POR
1
0
td(SVSon)
undefined
td(SVSR)
Figure 13. SVS Reset (SVSR) vs Supply Voltage
VCC
t _pw
3V
Brown-
Out
Region
td(BOR)
2
Rectangular Drop
1.5
Triangular Drop
V_CC(drop)
1
0.5
0
1
10
100
t_pw -- Pulse Width -- µs
1000
VCC
3V
1 ns
t _pw
1 ns
V_CC(drop)
t_f = t_r
t_f
t_r
t -- Pulse Width -- µs
Figure 14. V_CC(drop) With a Square Voltage Drop and a Triangle Voltage Drop to Generate an SVS Signal
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