MSP430FE42XA_14 Datasheet, PDF (22/50 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FE42xA
MIXED SIGNAL MICROCONTROLLER
SLAS588 -- FEBRUARY 2008
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
V_CC
V_{hys(B_IT--)}
V(B_IT--)
V_CC(start)
1
0
t_d(BOR)
Figure 6. POR/Brownout Reset (BOR) vs Supply Voltage
2
VTycpci=ca3l
V
Conditions
1.5
V_CC
t_pw
3V
1
V_CC(drop)
0.5
0
0.001
1
t_pw -- Pulse Width -- μs
1000
1 ns
1 ns
t_pw -- Pulse Width -- μs
Figure 7. V_CC(drop) Level With a Square Voltage Drop to Generate a POR/Brownout Signal
2
1.5
VTycpci=ca3l
V
Conditions
V_CC
t_pw
3V
1
V_CC(drop)
0.5
0
0.001
1
t_pw -- Pulse Width -- μs
1000
t_{f =} t_r
t_f
t_r
t_pw -- Pulse Width -- μs
Figure 8. V_CC(drop) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal
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