Table of Contents
Advertisement
Table 9: I2C0 Port Expander TCA6416A U15 Connections (cont'd)
TCA6416A U15
Pin Name
P05
P06
P07
P10
P13
P15
P16
P17
The addresses of each target device on the I2C0 U17 PCA9544A switch are identified in the
following table.
Table 10: I2C0 Multiplexer PCA9544A U17 Target Device Addresses
PCA9544A U17 (Addr 0x75) Port
0
1
2
3
I2C1 (MIO 16-17)
[Figure
2, callout 18]
I2C bus I2C1 connects RFSoC U1 PS Bank 500, PL bank 89, and system controller U38 to two
I2C switches (TCA9548A U20 and U22). These I2C1 connections enable I2C communications
with various I2C capable target devices. TCA9548A U20 is pin-strapped to respond to I2C
address 0x74. TCA9548A U22 is pin-strapped to respond to I2C address 0x75.
The following figure shows a high-level view of the I2C1 bus connectivity.
UG1532 (v1.0) March 30, 2022
ZCU670 Board User Guide
Schematic Net
Name
Pin Name
IIC_MUX_RESET_B
GEN3_EXP_RESET_B
MAX6643_FULL_SPEED
FMCP_HSPC_PRSNT_M
PRSNT_M2C_L
2C_B
PRSNT_M2C_L
VCCINT_VRHOT_B
VRHOT_ICRIT#
8A34001_EXP_RST_B
IRPS5401_ALERT_B
INA226_PMBUS_ALERT
I2C0 Bus Device
INA226_PMBus (Power Monitors)
Not Connected
IRPS5401_PMBus (Voltage Regulators)
SYSMON U1 bank 65
Chapter 3: Board Component Descriptions
Connected To
Ref. Designator
RESET_B
U20
B
U34
FULLSPD
U50
J28(H)
J28(N)
U104
A
U415
SM_ALERT#
U104
ALERT_B
U53, U55
SALERT#
U112, U123, U127
ALERT
U57, U58, U59,U60,
U61, U62, U63, U64,
U65, U67, U71, U75,
U77, U124
0X40-0x43, 0x45-0x4E
N/A
0X40, 0x43, 0x44, 0x45, 0x4B, 0x4C
0X32
Send Feedback
Device
TCA9548A
SN74LVC1G08
MAX6643
ASP_184329_01
ASP_184329_01
IR35215
SN74LVC1G08
IR35215
IRPS5401
IR38164
INA226
Target Device Address
www.xilinx.com
31
Advertisement
Table of Contents
