MSP430x11x

MIXED SIGNAL MICROCONTROLLERS

SLAS196D− DECEMBER 1998 − REVISED SEPTEMBER 2004

18

POST OFFICE BOX 655303

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (continued)

DCO (MSP430C111, C112)

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

f(DCO03)

Rsel = 0, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

0.04

0.07

0.10

MHz

f(DCO03)

Rsel = 0, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

0.04

0.07

0.10

MHz

f(DCO13)

Rsel = 1, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

0.08

0.13

0.18

MHz

f(DCO13)

Rsel = 1, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

0.08

0.13

0.18

MHz

f(DCO23)

Rsel = 2, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

0.15

0.22

0.30

MHz

f(DCO23)

Rsel = 2, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

0.15

0.22

0.30

MHz

f(DCO33)

Rsel = 3, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

0.26

0.36

0.47

MHz

f(DCO33)

Rsel = 3, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

0.26

0.36

0.47

MHz

f(DCO43)

Rsel = 4, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

0.4

0.6

0.8

MHz

f(DCO43)

Rsel = 4, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

0.4

0.6

0.8

MHz

f(DCO53)

Rsel = 5, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

0.8

1.1

1.4

MHz

f(DCO53)

Rsel = 5, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

0.8

1.1

1.4

MHz

f(DCO63)

Rsel = 6, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

1.3

1.7

2.1

MHz

f(DCO63)

Rsel = 6, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

1.5

1.9

2.3

MHz

f(DCO73)

Rsel = 7, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V

2.4

2.9

3.4

MHz

f(DCO73)

Rsel = 7, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C

VCC = 5 V

3.1

3.8

4.5

MHz

f(DCO47)

Rsel = 4, DCO = 7, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V/5 V

FDCO40 FDCO40 FDCO40

MHz

f(DCO47)

Rsel = 4, DCO = 7, MOD = 0, DCOR = 0, TA = 25°C

VCC = 3 V/5 V

FDCO40

x1.8

FDCO40

x2.2

FDCO40

x2.6

MHz

S(Rsel)

SR = fRsel+1/fRsel

VCC = 3 V/5 V

1.4

1.65

1.9

ratio

S(DCO)

SDCO = fDCO+1/fDCO

VCC = 3 V/5 V

1.07

1.12

1.16

ratio

Dt

Temperature drift, Rsel = 4, DCO = 3,

VCC = 3 V

−0.31

−0.36

−0.40

%/

°C

Dt

Temperature drift, Rsel = 4, DCO = 3,

MOD = 0 (see Note 1)

VCC = 5 V

−0.33

−0.38

−0.43

%/

°C

DV

Drift with VCC variation, Rsel = 4, DCO = 3,

MOD = 0 (see Note 1)

VCC = 3 V to 5 V

0

5

10

%/V

NOTE 1: These parameters are not production tested.

35

VCC

Max

Min

Max

Min

f(DCOx7)

f(DCOx0)

0

1

2

3

45

67

DCO Steps

Figure 5. DCO Characteristics