Xilinx VCK190 Series User Manual

The following gure shows the I2C0 bus connecvity.
Figure 14: I2C0 Bus Topology
U210
L/S
MAX6643_OT_B
MAX6643_FANFAIL_B
PMBUS2_INA226_ALERT
MAX6643_FULLSPD
FMCP1_FMC_PRSNT_M2C_B
FMCP2_FMC_PRSNT_M2C_B
FMCP1_FMCP_PRSNT_M2C_B
FMCP2_FMCP_PRSNT_M2C_B
VCCINT_VRHOT_B
8A34001_EXP_RST_B
PMBUS_ALERT
PMBUS1_INA226_ALERT
GPIO
Expander
0x20
P00
P01
P04
P07
P10
P11
P12
P13
P14
P15
P16
P17
U233 TCA6416A
I2C
MUX
0x74
0
1
2
3
4
5
6
7
U33 TCA9548A
PMBUS1
PMBUS1_INA226
PCIE_CLK
PMBUS2_INA226
NC
zSFP_SI570
USER_SI570_1_CLOCK
NC
0
1
2
3
4
5
6
7
I2C0
System Controller
PS Bank 501
U125 XCZU4EG
U212
L/S
Versal ACAP
PS Bank 501
U1
I2C0
X23201-100719
The devices on each port of the I2C0 U233 TCA6416A port expander and on each bus of the
I2C0 U33 PCA9548A switch are listed in the following two tables. The I2C0 target device I2C
addresses are listed in the third table below.
Table 10: I2C0 Port Expander TCA6416A U233 Address 0x20 Connections
TCA6416A U233
Schematic Net Name
Connected To
Pin
Name
Pin
No.
Pin
No.
Pin Name
Reference
Designator
Device
SDA 23 I2C0_SDA
See the "I2C0 Bus Topology" figure. TCA6416AU233 Addr. 0x20
SCL 22 I2C0_SCL
P00 4 MAX6643_OT_B (1) 9 OT_B U64 MAX6643
P01 5 MAX6643_FANFAIL_B (1) 4 FANFAIL_B U64 MAX6643
P04 8 PMBUS2_INA226_ALERT (1) 3 ALERT 14x INA226 INA226
P07 11 MAX6643_FULLSPD (1) 6 FULLSPD U64 MAX6643
P10 13 FMCP1_FMC_PRSNT_M2C_B H2 PRSNT_M2C_L J51(H) ASP_184329_01
P11 12 FMCP2_FMC_PRSNT_M2C_B H2 PRSNT_M2C_L J53(H) ASP_184329_01
Chapter 3: Board Component Descriptions
UG1366 (v1.0) January 7, 2021 www.xilinx.com
VCK190 Board User Guide 37
Send Feedback

Xilinx VCK190 Series Specifications

General

Brand	Xilinx
Model	VCK190 Series
Category	Motherboard
Language	English