MSP430F449IPZ datasheet(40/79 Pages) TI

40 / 79 page

MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x

MIXED SIGNAL MICROCONTROLLER

SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature (unless otherwise

noted) (continued)

outputs − ports P1, P2, P3, P4, P5, P6

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

IOH(max) = −1.5 mA (See Note 1)

2.2 V

VCC−0.25

VCC

High level output voltage

IOH(max) = −6 mA (See Note 2)

2.2 V

VCC−0.6

VCC

VOH

High-level output voltage

IOH(max) = −1.5 mA (See Note 1)

3 V

VCC−0.25

VCC

IOH(max) = −6 mA (See Note 2)

3 V

VCC−0.6

VCC

IOL(max) = 1.5 mA (See Note 1)

2.2 V

VSS

VSS+0.25

Low level output voltage

IOL(max) = 6 mA (See Note 2)

2.2 V

VSS

VSS+0.6

VOL

Low-level output voltage

IOL(max) = 1.5 mA (See Note 1)

3 V

VSS

VSS+0.25

IOL(max) = 6 mA (See Note 2)

3 V

VSS

VSS+0.6

NOTES:

1. The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±12 mA to satisfy the maximum

specified voltage drop.

2. The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±48 mA to satisfy the maximum

specified voltage drop.

output frequency

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

≤ x ≤ 60 ≤ y ≤ 7)

CL = 20 pF,

VCC = 2.2 V

MHz

f(Px.y)

≤ x ≤ 6, 0 ≤ y ≤ 7)

CL = 20 pF,

IL = ±1.5 mA

VCC = 3 V

7.5

MHz

f(ACLK)

P1.1/TA0/MCLK,

f(MCLK)

P1.1/TA0/MCLK,

P1.5/TACLK/ACLK

CL = 20 pF

f(System)

MHz

f(SMCLK)

P1.5/TACLK/ACLK

P1.4/TBCLK/SMCLK

20 pF

f(System)

MHz

P1.5/TACLK/ACLK,

f(ACLK) = f(LFXT1) = f(XT1)

40%

60%

P1.5/TACLK/ACLK,

CL = 20 pF

f(ACLK) = f(LFXT1) = f(LF)

30%

70%

20 pF

VCC = 2.2 V / 3 V

f(ACLK) = f(LFXT1)

50%

P1.1/TA0/MCLK,

f(MCLK) = f(XT1)

40%

60%

t(Xdc)

Duty cycle of output frequency

P1.1/TA0/MCLK,

CL = 20 pF,

VCC = 2.2 V / 3 V

f(MCLK) = f(DCOCLK)

50%−

15 ns

50%

50%+

15 ns

P1.4/TBCLK/SMCLK,

f(SMCLK) = f(XT2)

40%

60%

P1.4/TBCLK/SMCLK,

CL = 20 pF,

VCC = 2.2 V / 3 V

f(SMCLK) = f(DCOCLK)

50%−

15 ns

50%

50%+

15 ns

MSP430F449IPZ Datasheet(PDF) 40 Page - Texas Instruments

MSP430F449IPZ Datasheet(HTML) 40 Page - Texas Instruments

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