Xilinx VCU128 User Manual

Table 28: I2C Bus Addresses
I2C Devices
I2C Switch
Position
I2C Address
Device
Binary
Format
Hex Format
I2C0 Bus
PCA9544A 4-channel bus switch N/A
0b1110101
0x75 U55 PCA9544A
PMBus INA226 power monitor
1
0
0x40-0x42
0x46-0x48
0x4C-0x4D
INA226
U14,U16,U20,U21,
U79,U84,U85,U86
Not used 1 N/A N/A N/A
PMBus regulators
1
2
0x60-0x65
0x68-0x6B
Various Intersil
regulators
U3,U12,U15,U22,U24,U2
5,U29,U31,U36,U44,U67,
U68
FPGA SYSMON
3
0b0110010 0x32
U1 BANK 65
I2C0 Bus
TCA9548 8-channel bus switch N/A
0b1110100 0x74
U53 TCA9548A
I2C EEPROM 0
0b1010100 0x54
U48 M24C08
SI5328 clock 1
0b1101000
0x68 U87 SI5328B
Not used 2 N/A N/A N/A
QSFP1 Si570 clock 3
0b1011101 0x5D
U95 SI570
QSFP2 Si570 clock 4
0b1011101 0x5D
U90 SI570
QSFP3 Si570 clock 5
0b1011101 0x5D
U82 SI570
QSFP4 Si570 clock 6
0b1011101 0x5D
U80 SI570
Not used 7 N/A N/A N/A
I2C0 Bus
TCA9548 8-channel bus switch N/A
0b1110101 0x76
U54 TCA9548A
FMCP HSPC (FMC Plus) 0
0bXXXXXXX 0x##
J18 FMCP HSPC
Not used 1 N/A N/A N/A
FPGA SYSMON 2
0b0110010 0x32
U1 BANK 65
Not used 3 N/A N/A N/A
QSFP1 module 4
0b1010000 0x50
J42 28 Gb/s QSFP+
QSFP2 module 5
0b1010000 0x50
J39 28 Gb/s QSFP+
QSFP3 module 6
0b1010000 0x50
J35 28 Gb/s QSFP+
QSFP4 module 7
0b1010000 0x50
J32 28 Gb/s QSFP+
Notes:
1. See Onboard Power System Devices.
Informaon about the PCA9544A, TCA9548, and TCA6416A is available on the TI
Semiconductor website.
Chapter 3: Board Component Descriptions
UG1302 (v1.0) December 21, 2018 www.xilinx.com
VCU128 Board User Guide 74
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Xilinx VCU128 Specifications

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Brand	Xilinx
Model	VCU128
Category	Motherboard
Language	English