I2C0 Bus Topology; I2C0 Port Expander Tca6416A U15 Connections - Xilinx Zynq UltraScale+ ZCU216 User Manual

The following figure shows a high-level view of the I2C0 bus connectivity.
U1
BANK 500
PS I2C0
MIO15/
MIO14
U1
BANK 89
PL I2C0
C11/B11
U38
MPS430
22 P3_0
23 P3_1
The following table identifies the devices on each port of the I2C0 U15 TCA6416A port
expander.
Table 9: I2C0 Port Expander TCA6416A U15 Connections
TCA6416A U15
Pin
Pin No.
Name
SDA 23
SCL 22
P00 4
P01 5
UG1390 (v1.1) July 10, 2020
ZCU216 Board User Guide
Figure 7: I2C0 Bus Topology
U13
I2C0_SDA/SCL
L/S
U14
L/S
Schematic Net Name
I2C0_SDA
I2C0_SCL
MAX6643_OT_B
MAX6643_FANFAIL_B
Chapter 3: Board Component Descriptions
U15
TCA6416A
MAX6643_OT_B
P00
MAX6643_FANFAIL_B
P01
MI026_PMU_INPUT_LS
P02
DAC_AVTT_VOUT_SEL
P04
IIC_MUX_RESET_B
P05
GEM3_EXP_RESET_B
P06
MAX6643_FULL_SPEED
SDA/
P07
SCL
FMC_HSPC_PRSNT_M2C_B
P10
CLK_SPI_MUX_SEL0
P11
CLK_SPI_MUX_SEL1
P12
IRPS5401_ALERT_B
P16
INA226_PMBUS_ALERT
P17
0x20
U17
PCA9544A
INA226_PMBUS_SCA/SCL
SD0/SC0
Not Connected
SD1/SC1
SDA/
IRPS5401_PMBUS_SDA/SCL
SCL
SD2/SC2
SYSMON_SCA/SCL
SD3/SC3
0x75
Connected To
Reference
Pin No. Pin Name
Designator
Refer to connections shown in the figure above.
TCA6416A U15 Addr. 0x20
9 OT_B
4 FANFAIL_B
Send Feedback
X23319-100119
Device
U50 MAX6643
U50 MAX6643
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