MSP430F4783IPZ datasheet(46/79 Pages) TI

46 / 79 page

MSP430F47x3, MSP430F47x4

MIXED SIGNAL MICROCONTROLLER

SLAS545C − MAY 2007 − REVISED MARCH 2011

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

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

temperature (unless otherwise noted) (continued)

USCI (I2C mode) (see Figure 25)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

fUSCI

USCI input clock frequency

Internal: SMCLK, ACLK

External: UCLK

Duty cycle = 50%

± 10%

fSYSTEM

MHz

fSCL

SCL clock frequency

2.2 V/3 V

400

kHz

Hold time (repeated) START

fSCL ≤ 100 kHz

2.2 V/3 V

4.0

tHD, STA

Hold time (repeated) START

fSCL > 100 kHz

2.2 V/3 V

0.6

Setup time for a repeated START

fSCL ≤ 100 kHz

2.2 V/3 V

4.7

tSU, STA

Setup time for a repeated START

fSCL > 100 kHz

2.2 V/3 V

0.6

tHD, DAT

Data hold time

2.2 V/3 V

tSU, DAT

Data setup time

2.2 V/3 V

250

tSU, STO

Setup time for STOP

2.2 V/3 V

4.0

Pulse width of spikes suppressed by input filter

2.2 V

150

600

tSP

Pulse width of spikes suppressed by input filter

3 V

100

600

SDA

SCL

1/fSCL

tHD,DAT

tSU,DAT

tHD,STA

tSU,STA tHD,STA

tSU,STO

tSP

Figure 25. I2C Mode Timing

MSP430F4783IPZ Datasheet(PDF) 46 Page - Texas Instruments

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