Part 3.8: Expansion Header - Alinx ZYNQUltraScale+ AXU3EGB User Manual

system and other user data files.
The SDIO signal is connected to the IO signal of the PS BANK501 of
ZU3EG. Since the VCCMIO of the BANK is set to 1.8V, but the data level of the
SD card is 3.3V, connected through the TXS02612 level shifter. The schematic
of the Zynq7000 PS and SD card connector is shown in Figure 3-7-1:
Figure 3-7-1: SD Card Connection Diagram
SD card slot pin assignment:
Signal Name
SD_CLK
SD_CMD
SD_D0
SD_D1
SD_D2
SD_D3
SD_CD

Part 3.8: Expansion Header

The AXU3EGB board is reserved with two 0.1-inch standard pitch 40-pin
expansion ports J45 and J46, which are used to connect the ALINX modules or
the external circuit designed by the user. The expansion port has 40 signals, of
www.alinx.com
Pin Name Pin Number
PS_MIO51
PS_MIO50
PS_MIO46
PS_MIO47
PS_MIO48
PS_MIO49
PS_MIO45
AXU3EGB User Manual
l21
M19 SD Command Signal
L20
H21
J21
M18
K20 SD card insertion signal
Description
SD Clock Signal
SD Data0
SD Data1
SD Data2
SD Data3
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