MSP430x11x

MIXED SIGNAL MICROCONTROLLERS

SLAS196D− DECEMBER 1998 − REVISED SEPTEMBER 2004

15

POST OFFICE BOX 655303

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

temperature (unless otherwise noted)

outputs P2x, TAx

PARAMETER

TEST CONDITIONS

VCC

MIN

NOM

MAX

UNIT

f(P20)

Output frequency

P2.0/ACLK,

CL = 20 pF

3 V/5 V

1.1

MHz

f(TAx)

Output frequency

TA0, TA1, TA2,

CL = 20 pF

3 V/5 V

dc

fSystem

MHz

fP20 = 1.1 MHz

40%

60%

t(Xdc)

P2.0/ACLK, CL = 20 pF

fP20 = fXTCLK

3 V/ 5 V

35%

65%

t(Xdc)

Duty cycle of O/P frequency

P2.0/ACLK, CL = 20 pF

fP20 = fXTCLK/n

3 V/ 5 V

50%

t(TAdc)

Duty cycle of O/P frequency

TA0, TA1, TA2,

CL = 20 pF,

Duty cycle = 50%

3 V/ 5 V

0

±50

ns

outputs Port 1 to P2; P1.0 to P1.7, P2.0 to P2.5

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

VOH

High-level output voltage

I(OH) = − 1.5 mA,

VCC = 3 V/5 V, See Note 1

VCC−0.4

VCC

V

VOH

High-level output voltage

I(OH) = − 4.5 mA,

VCC = 3 V/5 V, See Note 2

VCC-0.6

VCC

V

VOL

Low-level output voltage

I(OL) = 1.5 mA,

VCC = 3 V/5 V, See Note 1

VSS

VSS+0.4

V

VOL

Low-level output voltage

I(OL) = 4.5 mA,

VCC = 3 V/5 V, See Note 2

VSS

VSS+0.6

V

NOTES:

1. The maximum total current, IOH and IOL, or all outputs combined, should not exceed ±12 mA to hold the maximum voltage drop

specified.

2. The maximum total current, IOH and IOL, or all outputs combined, should not exceed ±36 mA to hold the maximum voltage drop

specified.

optional resistors, individually programmable with ROM code (see Note 1)

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

R(opt1)

VCC = 3 V/5 V

2.1

4.1

6.2

k

Ω

R(opt2)

VCC = 3 V/5 V

3.1

6.2

9.3

k

Ω

R(opt3)

VCC = 3 V/5 V

6

12

18

k

Ω

R(opt4)

VCC = 3 V/5 V

10

19

29

k

Ω

R(opt5)

Resistors, individually programmable with ROM code, all port pins,

VCC = 3 V/5 V

19

37

56

k

Ω

R(opt6)

Resistors, individually programmable with ROM code, all port pins,

values applicable for pulldown and pullup

VCC = 3 V/5 V

38

75

113

k

Ω

R(opt7)

values applicable for pulldown and pullup

VCC = 3 V/5 V

56

112

168

k

Ω

R(opt8)

VCC = 3 V/5 V

94

187

281

k

Ω

R(opt9)

VCC = 3 V/5 V

131

261

392

k

Ω

R(opt10)

VCC = 3 V/5 V

167

337

506

k

Ω

NOTE 1: Optional resistors Roptx for pulldown or pullup are not programmed in standard OTP or EPROM devices MSP430P112 or PMS430E112.