UM0306 Inter-integrated circuit (I2C) interface
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Figure 133. I
2
C bus protocol
Acknowledge may be enabled or disabled by software. The I
2
C interface addresses (dual
addressing 7-bit/ 10-bit and/or general call address) can be selected by software.
The Block Diagram of the I
2
C interface is shown in Figure 134.
SCL
SDA
12 89
MSB
ACK
STOP
START
CONDITION
CONDITION