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STM32F100R4 Datasheet(PDF) 62 Page - STMicroelectronics

Part # STM32F100R4
Description  Low & medium-density value line, advanced ARM-based 32-bit MCU Low & medium-density value line, advanced ARM-based 32-bit MCU
PDF  84 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F100R4 Datasheet(HTML) 62 Page - STMicroelectronics

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Electrical characteristics
STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB
62/84
Doc ID 16455 Rev 2
Figure 27.
I2C bus AC waveforms and measurement circuit(1)
1.
Measurement points are done at CMOS levels: 0.3VDD and 0.7VDD.
Table 39.
SCL frequency (fPCLK1= 24 MHz, VDD = 3.3 V)
(1)(2)
1.
RP = External pull-up resistance, fSCL = I
2C speed,
2.
For speeds around 400 kHz, the tolerance on the achieved speed is of
2%. For other speed ranges, the
tolerance on the achieved speed
1%. These variations depend on the accuracy of the external
components used to design the application.
fSCL (kHz)
I2C_CCR value
RP = 4.7 k
400
0x8011
300
0x8016
200
0x8021
100
0x0064
50
0x00C8
20
0x01F4
Ω
Ω
Ω
Ω



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