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ZYNQ Ultr FPGA Board AXU7EV User Manual
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MMC_DAT1
PS_MIO14_500
A27
MMC_DAT2
PS_MIO15_500
E27
MMC_DAT3
PS_MIO16_500
A28
MMC_DAT4
PS_MIO17_500
C29
MMC_DAT5
PS_MIO18_500
F27
MMC_DAT6
PS_MIO19_500
B28
MMC_DAT7
PS_MIO20_500
E29
MMC_RSTN
PS_MIO23_500
B29
Part 2.6: Clock configuration
The core board provides reference clock and RTC real-time clock for PS
system and PL logic respectively, so that PS system and PL logic can work
independently. The schematic diagram of the clock circuit design is shown in
Figure 2-6-1:
Figure 2-6-1: Core Board Clock Source
PS System RTC Real Time Clock
The passive crystal Y1 on the core board provides a 32.768KHz real-time
clock source for the PS system. The crystal is connected to the PS_PADI_503
and PS_PADO_503 pins of BANK503 of the ZYNQ chip. The schematic