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SPEAR320 Fiches technique(PDF) 54 Page - STMicroelectronics

No de pièce SPEAR320
Description  Embedded MPU with ARM926 core, optimized for factory automation and consumer applications
PDF  73 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPEAR320 Fiches technique(HTML) 54 Page - STMicroelectronics

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Timing requirements
SPEAr320
54/73
Doc ID 16755 Rev 5
7.5
I2C timing characteristics
The characterization timing is done using primetime considering an output load of 10 pF on
SCL and SDA.
Figure 10.
Output signal waveforms for I2C signals
The timings of the high and low level of SCL (tSCLHigh and tSCLLow) are programmable.
Table 33.
Timing characteristics for I2C in high-speed mode
Parameter
Min
Unit
tSU-STA
157.6
ns
tHD-STA
325.9
tSU-DAT
314.0
tHD-DAT
0.8
tSU-STO
637.7
tHD-STO
4742.2
Table 34.
Timing characteristics for I2C in fast speed mode
Parameter
Min
Unit
tSU-STA
637.6
ns
tHD-STA
602.2
tSU-DAT
1286.1
tHD-DAT
0.8
tSU-STO
637.7
tHD-STO
4742.2



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