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DSPIC33FJ64GP706AI/PF

High-Performance, 16-Bit Digital Signal Controllers

Microchip Technology 

dsPIC33FJXXXGPX06A/X08A/X10A

TABLE 25-37: I2Cx BUS DATA TIMING REQUIREMENTS (SLAVE MODE)

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(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

1 MHz mode(1)

0.5

—

μs Device must operate at a

minimum of 10 MHz

—

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

1 MHz mode(1)

0.5

—

μs Device must operate at a

minimum of 10 MHz

—

μs

—

IS20

TF:SCL SDAx and SCLx 100 kHz mode

—

300

Fall Time

400 kHz mode 20 + 0.1 CB 300

1 MHz mode(1)

—

100

ns CB is specified to be from

ns 10 to 400 pF

ns

IS21

TR:SCL

SDAx and SCLx

Rise Time

100 kHz mode

—

400 kHz mode 20 + 0.1 CB

1 MHz mode(1)

—

1000

300

300

ns CB is specified to be from

ns 10 to 400 pF

ns

IS25 TSU:DAT Data Input

100 kHz mode

250

—

ns

—

Setup Time

400 kHz mode

100

—

ns

1 MHz mode(1)

100

—

ns

IS26 THD:DAT Data Input

100 kHz mode

0

—

μs

—

Hold Time

400 kHz mode

0

0.9 μs

1 MHz mode(1)

0

0.3 μs

IS30

TSU:STA Start Condition

Setup Time

100 kHz mode

400 kHz mode

1 MHz mode(1)

4.7

0.6

0.25

—

μs Only relevant for Repeated

—

μs Start condition

—

μs

IS31

THD:STA Start Condition

Hold Time

100 kHz mode

400 kHz mode

1 MHz mode(1)

4.0

0.6

0.25

—

μs After this period, the first

—

μs clock pulse is generated

—

μs

IS33 TSU:STO Stop Condition 100 kHz mode

4.7

—

μs

—

Setup Time

400 kHz mode

0.6

—

μs

1 MHz mode(1)

0.6

—

μs

IS34 THD:STO Stop Condition 100 kHz mode

4000

—

ns

—

Hold Time

400 kHz mode

600

—

ns

1 MHz mode(1)

250

ns

IS40 TAA:SCL Output Valid

100 kHz mode

0

3500 ns

—

From Clock

400 kHz mode

0

1000 ns

1 MHz mode(1)

0

350 ns

IS45 TBF:SDA Bus Free Time 100 kHz mode

4.7

400 kHz mode

1.3

1 MHz mode(1)

0.5

—

μs Time the bus must be free

—

μs before a new transmission

—

μs can start

IS50 CB

Bus Capacitive Loading

—

400 pF

—

Note 1: Maximum pin capacitance = 10 pF for all I2Cx pins (for 1 MHz mode only).

DS70593C-page 306

© 2011 Microchip Technology Inc.

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