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A zoomed in view of the I2C bus switches is shown in
X-Ref Target - Figure 1-17
User applications that communicate with devices on one of the downstream I2C buses must
first set up a path to the desired bus through the U28 or U80 bus switch at I2C address
0x74 (0b1110100) or 0x75 (0b1110101) respectively.
bus.
Table 1-47: I2C Devices
I2C Device
TCA9548 8-channel bus switch
Si570 clock
I2C Port expander
Ilkn. ExaMax Si5328 clock
CFP4 Si5328 clock
VCU110 Evaluation Board
UG1073 (v1.2) March 26, 2016
Figure 1-17: I2C Bus IIC_MAIN Bus Switches
I2C Switch
Position
Binary Format
NA
0b1110100
0
0b1011101
1
0b0100001
2
0b1010000
3
0b1101001
www.xilinx.com
Chapter 1:
VCU110 Evaluation Board Features
Figure
1-17.
Table 1-47
lists the address for each
I2C Address
Hex Format
0x74
0x5D
0x21
0x50
0x69
Send Feedback
Device
U28 PCA9548
U32 SI570
U89 TCA6416
U181 SI5328C
U179 SI5328C
87
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