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STM32F4 I2C LIBRARY

Alya3748
2016-07-26 00:20:22
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Description

I2C or Inter-Integrated Circuit is a multimaster serial single ended bus. This protocol is commonly used with RTC modules, temperature sensors, EEPROMs, IO expanders and more.

I2C protocol uses 2 wires:

  • SCL: Serial Clock, clock for serial synchronization
  • SDA: Serial data, bidirection line for receving and transmitting
  • Both wires need external pull up resistor, from about 4k7 to 47k, if you don’t use pull up resistors in MCU. In our case, you don’t need external pull ups, because library uses internal in STM32F4.
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Name Size Date
tm_stm32f4_i2c.c11.61 kB13-07-15|07:55
tm_stm32f4_i2c.h11.71 kB13-07-15|07:54
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STM32F4 I2C LIBRARY (5.30 kB)

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