STR910FAW32 datasheet(86/101 Pages) STMICROELECTRONICS

Part #	STR910FAW32

Description	ARM966E-S??16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA

PDF	101 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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86 / 101 page

Electrical characteristics

STR91xFAx3x, STR91xFAx4x

86/101

7.12.4

I2C electrical characteristics

VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.

Table 45.

I2C electrical characteristics

Symbol

Parameter

Standard I2CFast I2C

Unit

Min

Max

Min

Max

tBUF

Bus free time between a STOP

and START condition

4.7

1.3

tHD:STA

Hold time START condition.

After this period, the first clock

pulse is generated(1)

The maximum hold time of the START condition has only to be met if the interface does not stretch the low

period of SCL signal

4.0

0.6

µs

tLOW

LOW period of the SCL clock

4.7

1.3

µs

tHIGH

HIGH period of the SCL clock

4.0

0.6

µs

tSU:STA

Set-up time for a repeated

START condition

4.7

0.6

µs

tHD:DAT

Data hold time(2)

The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge the

undefined region of the falling edge of SCL.

tSU:DAT

Data set-up time

250

100

Rise time of both SDA and SCL

signals

1000

20+0.1Cb

(3)

Cb = total capacitance of one bus line in pF

300

Fall time of both SDA and SCL

signals

300

20+0.1Cb

(3)

300

tSU:STO

Set-up time for STOP condition

4.0

0.6

µs

Capacitive load for each bus

line

400

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