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MEC1322 Datasheet(PDF) 414 Page - Microchip Technology

Part # MEC1322
Description  Keyboard and Embedded Controller for Notebook PC
PDF  456 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MEC1322 Datasheet(HTML) 414 Page - Microchip Technology

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MEC1322
DS00001719D-page 414
 2014 - 2015 Microchip Technology Inc.
38.14 I2C/SMBus Timing
FIGURE 38-20:
I2C/SMBUS TIMING
TABLE 38-20: I2C/SMBUS TIMING PARAMETERS
Symbol
Parameter
Standard-
Mode
Fast-
Mode
Fast-
Mode Plus
Units
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
fSCL
SCL Clock Frequency
100
400
1000
kHz
tBUF
Bus Free Time
4.7
1.3
0.5
µs
tSU;STA
START Condition Set-Up Time
4.7
0.6
0.26
µs
tHD;STA
START Condition Hold Time
4.0
0.6
0.26
µs
tLOW
SCL LOW Time
4.7
1.3
0.5
µs
tHIGH
SCL HIGH Time
4.0
0.6
0.26
µs
tR
SCL and SDA Rise Time
1.0
0.3
0.12
µs
tF
SCL and SDA Fall Time
0.3
0.3
0.12
µs
tSU;DAT
Data Set-Up Time
0.25
0.1
0.05
µs
tHD;DAT
Data Hold Time
0
0
0
µs
tSU;STO
STOP Condition Set-Up Time
4.0
0.6
0.26
µs
tHD;STA
tSU;STO
tSU;STA
tSU;DAT
tHIGH
tF
tR
tLOW
tHD;DAT
tHD;STA
tBUF
I2C_DATA
I2C_CLK



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