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ST7 ROUTINE FOR I2C SLAVE MODE MANAGEMENT

2.3 COMMUNICATION

Figure 4. Communication Flow

The ST7 slave mode management application is based on two steps driven by the master:

– a reception of 3 data bytes from any master.

– a transmission of received data bytes to the master.

Figure 5. Main Program Flowchart

Events in the following flowchart refer to events defined into the paragraph “Transfer se-

quencing” on page 2.

MASTER

SLAVE

3 data bytes

3 data bytes

Init

Infinite loop

Interrupt