The maximum speed of the I²C interface is 400 kHz. This sequence uses the standard I²C 7-bit target address followed by an 8-bit pointer to set the register address. For both write and read, the address pointer will auto-increment as long as the controller acknowledges.

Figure 7-4 I²C Sequence of Writing a Single Register

Figure 7-5 I²C Sequence of Writing Consecutive Registers

Figure 7-6 I²C Sequence of Reading a Single Register

Figure 7-7 I²C Sequence of Reading Consecutive Registers