MSP430F241X_11 Datasheet, PDF (41/107 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F241x, MSP430F261x
MIXED SIGNAL MICROCONTROLLER
typical characteristics
AVCC
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
SLAS541G -- JUNE 2007 -- REVISED MARCH 2011
Brown-
out
Region
0
SVS out
1
td(BOR)
SVS Circuit is Active From VLD > to V_CC < V(_{B_IT--)}
td(BOR)
0
Set POR
1
0
td(SVSon)
undefined
td(SVSR)
Figure 12. SVS Reset (SVSR) vs Supply Voltage
VCC
t _pw
3V
2
Rectangular Drop
1.5
Triangular Drop
VCC(min)
1
1 ns
1 ns
0.5
VCC
t _pw
3V
0
1
10
100
1000
t_pw -- Pulse Width -- s
VCC(min)
t_f = t_r
t_f
t_r
t -- Pulse Width -- s
Figure 13. V_CC(min): Square Voltage Drop and Triangle Voltage Drop to Generate an SVS Signal (VLD = 1)
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