Texas Instruments MSP430x11x1 warranty Power-On Reset POR vs Supply Voltage

Models: MSP430x11x1

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Figure 11. Power-On Reset (POR) vs Supply Voltage

MSP430x11x1

MIXED SIGNAL MICROCONTROLLER

SLAS241C ± SEPTEMBER 1999 ± REVISED JUNE 2000

electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (continued)

V

 

VCC

V

 

(POR)

 

POR

No POR

POR

V

 

(min)

 

t

Figure 11. Power-On Reset (POR) vs Supply Voltage

 

2.0

 

 

 

 

 

 

 

1.8

 

 

 

 

 

 

 

1.8

 

 

 

 

 

 

 

1.6

 

 

1.5

 

Max

 

 

1.4

 

 

 

 

 

[V]

 

 

 

 

 

1.2

1.4

 

 

 

 

 

1.2

 

 

 

 

 

 

POR

 

 

 

 

 

 

1.0

 

 

1.1

 

Min

 

 

 

 

 

 

V

0.8

 

 

 

 

 

 

 

 

 

 

 

 

0.8

 

0.6

 

 

 

 

 

 

 

 

 

 

 

 

 

0.4

 

 

 

 

 

 

 

0.2

 

 

25°C

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

±40

±20

0

20

40

60

80

 

 

 

 

Temperature [°C]

 

 

 

Figure 12. V(POR) vs Temperature

crystal oscillator,LFXT1

 

PARAMETER

TEST CONDITIONS

MIN TYP MAX

UNIT

 

 

 

 

 

 

 

XTS=0; LF mode selected.

12

 

 

 

VCC = 2.2 V / 3 V

 

C(XIN)

Input capacitance

 

pF

XTS=1; XT1 mode selected.

2

 

 

 

 

 

VCC = 2.2 V / 3 V (Note 19)

 

 

 

 

 

 

 

XTS=0; LF mode selected.

12

 

 

 

VCC = 2.2 V / 3 V

 

C(XOUT)

Output capacitance

 

pF

XTS=1; XT1 mode selected.

2

 

 

 

 

 

VCC = 2.2 V / 3 V (Note 19)

 

 

 

 

 

NOTE 19: Requires external capacitors at both terminals. Values are specified by crystal manufacturers.

RAM

PARAMETER

MIN

NOM MAX

UNIT

 

 

 

 

V(RAMh) CPU halted (see Note 20)

1.6

 

V

NOTE 20: This parameter defines the minimum supply voltage VCC when the data in the program memory RAM remains unchanged. No program execution should happen during this supply voltage condition.

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Texas Instruments MSP430x11x1 warranty Power-On Reset POR vs Supply Voltage, VPOR vs Temperature crystal oscillator,LFXT1