ZYNQ Ultr FPGA Board AXU2CGA/B User Manual
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Figure 17-1: LED Schematic
LED and Key Pin Assignment:
Signal Name
Pin Name
Pin Number
LED1
IO_L9N_24
W13
LED2
IO_L12P_24
Y12
LED3
IO_L12N_24
AA12
LED4
IO_L7N_24
AB13
KEY1
IO_L7P_24
AA13
KEY2
IO_L1N_24
AE14
KEY3
IO_L1P_24
AE15
KEY4
IO_L2P_24
AG14
Part 18: System Clock
The board provides reference clocks for the RTC circuit, PS system, and
PL logic parts. The RTC clock is 32.768, the PS system clock is 33.3333Mhz,
and the PL end clock is 25Mhz. The schematic diagram of the clock circuit
design is shown in Figure 18-1: