The CLKINSEL signal controls the state of the clock input multiplexers. High = CLKIN1, Low = CLKIN2 (see Reference Clock Switching ). The MMCM must be held in RESET during clock switchover.
The CLKINSEL signal controls the state of the clock input multiplexers. High = CLKIN1, Low = CLKIN2 (see Reference Clock Switching ). The MMCM must be held in RESET during clock switchover.