ST92163 datasheet(205/224 Pages) STMICROELECTRONICS

Part #	ST92163

Description	8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT

PDF	224 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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ST92163 - ELECTRICAL CHARACTERISTICS

ELECTRICAL CHARACTERISTICS (Cont’d)

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

fined region of the falling edge of SCL

2)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

Cb = total capacitance of one bus line in pF

2C Bus Timings

Parameter

Symbol

Standard I

Fast I

Unit

Min

Max

Min

Max

Bus free time between a STOP and START con-

dition

TBUF

4.7

1.3

Hold time START condition. After this period,

the first clock pulse is generated

THD:STA

4.0

0.6

µs

LOW period of the SCL clock

TLOW

4.7

1.3

µs

HIGH period of the SCL clock

THIGH

4.0

0.6

µs

Set-up time for a repeated START condition

TSU:STA

4.7

0.6

µs

Data hold time

THD:DAT

0 (1)

0.9(2)

Data set-up time

TSU:DAT

250

100

Rise time of both SDA and SCL signals

1000

20+0.1Cb

300

Fall time of both SDA and SCL signals

300

20+0.1Cb

300

Set-up time for STOP condition

TSU:STO

4.0

0.6

Capacitive load for each bus line

400

ST92163 Datasheet(PDF) 205 Page - STMicroelectronics

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