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Texas Instruments MSP430x11x1 User Manual

Page 34

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MSP430x11x1
MIXED SIGNAL MICROCONTROLLER

SLAS241C – SEPTEMBER 1999 – REVISED JUNE 2000

34

POST OFFICE BOX 655303

DALLAS, TEXAS 75265

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

VCC

POR

V

t

V

(POR)

V

(min)

POR

No POR

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

0

0.2

0.6

1.0

1.2

1.8

2.0

–40

–20

0

20

40

60

80

Temperature [

°

C]

V POR [V]

1.6

1.4

0.8

0.4

1.2

1.5

1.8

0.8

1.1

1.4

25

°

C

Max

Min

Figure 12. V

(POR)

vs Temperature

crystal oscillator,LFXT1

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

C(XIN)

Input capacitance

XTS=0; LF mode selected.
VCC = 2.2 V / 3 V

12

pF

C(XIN)

Input capacitance

XTS=1; XT1 mode selected.
VCC = 2.2 V / 3 V (Note 19)

2

pF

C(XOUT)

Output capacitance

XTS=0; LF mode selected.
VCC = 2.2 V / 3 V

12

pF

C(XOUT)

Out ut ca acitance

XTS=1; XT1 mode selected.
VCC = 2.2 V / 3 V (Note 19)

2

F

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.