ABB LDGRB-01 3BSE013177R1

Description

ABB LDGRB-01 3BSE013177R1

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From the figure, it can be seen that the vertical grid is 200mV, and LDGRB-01 3BSE013177R1 has a voltage level of approximately 350mV for SDA and SCL; Due to the setting of signal x10 on the signal pen, the actual voltage level should be approximately 3.5V (theoretically it should be 3.3V). The horizontal grid is 25us, and approximately 4 grids are used for 10 clock cycles, which means 4x25us=100us. On average, each clock cycle is 10us, and the transmission frequency can be calculated as 1/10us=100000/s, which is 100k bps.

In addition, for LDGRB-01 3BSE013177R1, the basic process for reading slave device content is that the master device first writes a command to the slave device, then outputs the read command, and finally the slave device sends the data. The process is similar and will not be analyzed in detail.

In the following example, the host first writes an address command to the slave, and then restarts and enters the read cycle.

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