MPR081 datasheet(3/22 Pages) FREESCALE

No. de pieza	MPR081

Descripción Electrónicos	Touch Pad Controller

PDF	22 Pages

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Fabricante Electrónico	FREESCALE [Freescale Semiconductor, Inc]

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MPR081

Sensors

Freescale Semiconductor

Table 5. I2C AC Characteristics

(Typical Operating Circuit, V+ = 1.8 V to 3.6 V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3 V, TA = +25°C.)

Characteristic

Symbol

Min

Typ

Max

Units

Serial Clock Frequency

fSCL

——

400

kHz

Bus Timeout

FTIMEOUT

—

31.25

—

Bus Free Time Between a STOP and a START

Condition

tBUF

1.3

—

µs

Hold Time, (Repeated) START Condition

tHD, STA

0.6

—

µs

Repeated START Condition Setup Time

tSU, STA

0.6

—

µs

STOP Condition Setup Time

tSU, STO

0.6

—

µs

Data Hold Time

tHD, DAT

——

0.9

µs

Data Setup Time

tSU, DAT

100

—

SCL Clock Low Period

tLOW

1.3

—

µs

SCL Clock High Period

tHIGH

0.7

—

µs

Rise Time of Both SDA and SCL Signals,

Receiving

—

20+0.1Cb

300

Fall Time of Both SDA and SCL Signals,

Receiving

—

20+0.1Cb

300

Fall Time of SDA Transmitting

tF.TX

—

20+0.1Cb

250

Pulse Width of Spike Suppressed

tSP

—50—

Capacitive Load for Each Bus Line

——

400

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