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This page provides information about the Programmable Logic (PL) initialization signals: PROGRAM_B, INIT_B, and DONE.
* PROGRAM_B: UG-585 indicates to use a 4.7kΩ pull-up resistor for this signal. This value was not known when the Xilinx Zynq 7000 family was released. Nevertheless, to date, no issues have been reported although this pull-up is a little bit weaker. In any case, an external pull-up to a 3.3V controlled power domain can be put in parallel with the internal 10kΩ resistor to get a stronger pull-up. For more details, please contact [mailto:helpdesk@dave.eu the technical support].
* INIT_B: for using this signal as ''PL initializing signal Low-to-High transition'', place an external pull-up to a 3.3V controlled power domain.
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