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STM32F303VC 数据表(PDF) 95 Page - STMicroelectronics |
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STM32F303VC 数据表(HTML) 95 Page - STMicroelectronics |
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95 / 148 page  DocID023353 Rev 13 95/148 STM32F303xB STM32F303xC Electrical characteristics 124 Figure 25. I2C bus AC waveforms and measurement circuit 1. Rs: Series protection resistors, Rp: Pull-up resistors, VDD_I2C: I2C bus supply. 1. The I2C characteristics are the requirements from I2C bus specification rev03. They are guaranteed by design when I2Cx_TIMING register is correctly programmed (Refer to the RM0316 reference manual). 2. The maximum tHD;DAT could be 3.45 µs, 0.9 µs and 0.45 µs for standard mode, fast mode and fast mode plus, but must be less than the maximum of tVD;DAT or tVD;ACK by a transition time. 3. The minimum width of the spikes filtered by the analog filter is above tSP(max). Table 62. I2C analog filter characteristics(1) 1. Guaranteed by design. Symbol Parameter Min Max Unit tAF Pulse width of spikes that are suppressed by the analog filter 50 260 ns |
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