PL TAP Controller Interface via JTAG

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

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2.4 English

The JTAG interface is converted to the DRP protocol to access the PL SYSMON. The TAP controller commands that are used to access the PL SYSMON registers are described the UltraScale Architecture System Monitor User Guide (UG580) [Ref 6]. The PL JTAG interface is selected by the SYSMON_DRP command. This also enables the I2C serial interface.