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As described in
I2C0 (MIO
and the INA226 power monitors through the U17 PCA9544A bus switch. All PMBus controlled
Infineon regulators are tied to the IRPS5401_SDA/SCL PMBUS, while the INA226 power
monitors are separated on to INA226_PMBUS.
Figure 8
and
Table 10
INA226 power monitor op amps. Also refer to schematic 038-05070-01. Power rail
measurements are accessible to the system controller and RFSoC PL logic through their
respective I2C0 bus connections.
UG1532 (v1.0) March 30, 2022
ZCU670 Board User Guide
14-15), the I2C0 bus provides access to the PMBus power controllers
document the I2C0 bus access path to the Infineon PMBus controllers and
Chapter 3: Board Component Descriptions
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