TE0726 TRM
Revision: V.3
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4-Channel I2C Multiplexer
Zynq MIO pin 48 (MUX_SCL) and pin 49 (MUX_SDA) are connected to the 4-channel I C multiplexer chip
2
TCA9544A from Texas Instruments having I C address of 0x70. It has four slave I C channels which are
2
2
routed as follows:
Channel
Connected To
0
Connector J8, pin 27 (ID_SDA) and pin 28 (ID_SCL).
1
DSI connector J4, pin 12 (DSI_SDA) and pin 11 (DSI_SCL).
2
HDMI connector J6, pin 16 (SDA) and pin 15 (SCL).
3
CSI-2 camera connector J3, pin 14 (CSI_SDA) and pin 13 (CSI_SCL).
Each slave channel of TCA9544A has its own dedicated interrupt signal in order for the master to detect an
interrupt on the INT output pin that can result from any of the slave devices connected to the INT0-INT3
input pins.
