AN 702: Interfacing a USB PHY to the Hard Processor System ... - Intel
Use the following steps to calculate the relationship between register C's clock input and the D input: 1. Calculate the system's round-trip delay. 2. Select a ...
AN 348: Interfacing DDR SDRAM with Cyclone DevicesFor Stratix II and Cyclone II devices, use the Source Synchronous ... where, tD is the data delay from pin to I/O register7. Also, tPLL includes ... Centering the Clock in the Data Valid Window for Source ...During transitions, input signals may overshoot to the voltage listed in Table 2 ... (2) Minimum offset does not include the intrinsic delay. Cyclone V Device Datasheet - FRWhen the input signal in the carry chain passes across the LAB boundaries (and also the half-LAB boundaries in some FPGA families), extra delays added cause ...
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