CYUSB302X datasheet(18/34 Pages) CYPRESS

Teilenummer	CYUSB302X

Bauteilbeschribung	SD3??USB and Mass Storage Peripheral Controller

PDF	34 Pages

Scroll/Zoom	100%

Hersteller	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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18 / 34 page

Document Number: 001-55190 Rev. *L

Page 18 of 34

CYUSB302x

I2C Interface Timing

I2C Timing

Figure 4. I2C Timing Definition

Table 10. I2C Timing Parameters[4]

Parameter

Description

Min

Max

Units

I2C Standard Mode Parameters

fSCL

SCL clock frequency

100

kHz

tHD:STA

Hold time START condition

–

µs

tLOW

LOW period of the SCL

4.7

–

µs

tHIGH

HIGH period of the SCL

–

µs

tSU:STA

Setup time for a repeated START condition

4.7

–

µs

tHD:DAT

Data hold time

–

µs

tSU:DAT

Data setup time

250

–

Rise time of both SDA and SCL signals

–

1000

Fall time of both SDA and SCL signals

–

300

tSU:STO

Setup time for STOP condition

–

µs

tBUF

Bus free time between a STOP and START condition

4.7

–

µs

tVD:DAT

Data valid time

–

3.45

µs

tVD:ACK

Data valid ACK

–

3.45

µs

tSP

Pulse width of spikes that must be suppressed by input filter

n/a

Note

4. All parameters guaranteed by design and validated through characterization.

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