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PL initialization signals (Bora/BoraX/BoraLite)

14 bytes added, 15:55, 14 December 2020
External pull-ups
= External pull-ups =
* PROGRAM_B: UG-585 indicates to use a 4.7kΩ pull-up resistorfor this signal. This value was not known when the Xilinx Zynq 7000 family was released. Nevertheless, for a stronger pull-up, place an external pull-up to a 3.3V controlled power domain to can be put it in parallel with the internal 10kΩ resistor to get a stronger pull-up.
* 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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