I2CSTAT datasheet(179/210 Pages) MICROCHIP

179 / 210 page

DS70139G-page 179

dsPIC30F2011/2012/3012/3013

FIGURE 20-18:

I2C™ BUS START/STOP BITS TIMING CHARACTERISTICS (SLAVE MODE)

FIGURE 20-19:

I2C™ BUS DATA TIMING CHARACTERISTICS (SLAVE MODE)

TABLE 20-34: I2C™ BUS DATA TIMING REQUIREMENTS (SLAVE MODE)

AC CHARACTERISTICS

Standard Operating Conditions: 2.5V to 5.5V

(unless otherwise stated)

Operating temperature

-40°C

≤TA ≤+85°C for Industrial

-40°C

≤TA ≤+125°C for Extended

Param

No.

Symbol

Characteristic

Min

Max

Units

Conditions

IS10

TLO:SCL

Clock Low Time

100 kHz mode

4.7

—

μs

Device must operate at a

minimum of 1.5 MHz

400 kHz mode

1.3

—

μs

Device must operate at a

minimum of 10 MHz.

1 MHz mode(1)

0.5

—

μs

IS11

THI:SCL

Clock High Time

100 kHz mode

4.0

—

μs

Device must operate at a

minimum of 1.5 MHz

400 kHz mode

0.6

—

μs

Device must operate at a

minimum of 10 MHz

1 MHz mode(1)

0.5

—

μs

IS20

TF:SCL

SDA and SCL

Fall Time

100 kHz mode

—

300

CB is specified to be from

10 to 400 pF

400 kHz mode

20 + 0.1 CB

300

1 MHz mode(1)

—100

IS21

TR:SCL

SDA and SCL

Rise Time

100 kHz mode

—

1000

CB is specified to be from

10 to 400 pF

400 kHz mode

20 + 0.1 CB

300

1 MHz mode(1)

—300

Note 1:

Maximum pin capacitance = 10 pF for all I2C™ pins (for 1 MHz mode only).

IS31

IS34

SCL

SDA

Start

Condition

Stop

Condition

IS30

IS33

IS30

IS31

IS33

IS11

IS10

IS20

IS26

IS25

IS40

IS45

IS21

SCL

SDA

Out

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