2.11
I
2
C
Interface
The I
2
C works as a master port by default: The master port is pulled high to +3.3V with
2 resistors internally. The slave devices have to be connected directly without
additional power supply on I
2
C bus.
SCL1
SDA1
R
R
+3.3V
I
2
C Bus
J
SCL1
SDA1
I
2
C Master Port (EC14xx)
I
2
C Slave Device
GND
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