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ST7LITE49K2 数据表(PDF) 204 Page - STMicroelectronics |
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ST7LITE49K2 数据表(HTML) 204 Page - STMicroelectronics |
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204 / 245 page ![]() Electrical characteristics ST7LITE49K2 204/245 Table 81. SCL frequency (multimaster I2C interface)(1)(2)(3) fSCL I2CCCR Value fCPU = 4 MHz fCPU = 8 MHz VDD = 3.3 V VDD = 5 V VDD = 3.3 V VDD = 5 V RP=3.3 kΩ RP=4.7 kΩ RP=3.3 kΩ RP=4.7 kΩ RP=3.3 kΩ RP=4.7 kΩ RP=3.3 kΩ RP=4.7 kΩ 400 NA NA NA NA 84h 83h 84h 84h 300 NA NA NA NA 86h 86h 86h 86h 200 84h 84h 84h 84h 8Ah 8Ah 8Ah 8Ah 100 11h 11h 11h 11h 25h 24h 25h 24h 50 25h 25h 25h 25h 4Ch 4Ch 4Dh 4Ch 20 61h 61h 61h 62h FFh FFh FFh FFh 1. RP = External pull-up resistance, fSCL = I 2C speed 2. For fast mode speeds, achieved speed can have ±5% tolerance. For other speed ranges, achieved speed can have ±2% tolerance. 3. The above variations depend on the accuracy of the external components used. |
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