ADM-XRC-7Z2 User Manual
V1.2 - 24th Feb 2020
4.7 Zynq PS Block
4.7.1 Boot Modes
BootSel1
(SW2-2)
BootSel0
(SW2-1)
Boot Mode
OFF
OFF
JTAG
OFF
ON
Quad SPI
ON
OFF
SD Flash
ON
ON
Reserved
Table 15 : Boot Mode Selection
4.7.2 PS Memory Interfaces
4.7.2.1 Quad SPI Flash Memory
512Mb of QSPI flash memory (Micron N25Q256A11E1240E/MT41K128M16JT) is attached to the PS, and is
used to store Zynq boot images, FPGA bitstreams and data.
4.7.2.2 MicroSD Flash Memory
An on-board microSD card holder is available to store Zynq boot images, FPGA bitstreams and data.
4.7.2.3 PS DDR3 Memory
The PS has one bank of DDR3 memory, constisting of 2 16-bit wide memory devices in parallel to provide a
32-bit datapath capable of running up to 533MHz (DDR-1066). 2Gb devices (Micron MT41K128M16JT-125) are
fitted as standard to provide 512MB per bank.
4.7.3 Ethernet Interfaces
The 7Z2 has two Ethernet Interfaces at rear connector P6. Interface ETH0 is connected to the Zynq PS, while
ETH1 is connected to the PL
Both interfaces have a Marvell 88E1512 PHY, connected to the Zynq via RGMII.
PL
P4
PHY
SGMII / 1000BASE-X
RGMII
PS
PHY
Magnetics
MDI
RGMII
ETH0
ETH1
Figure 4 : Ethernet Interfaces
Each interface has three status LEDs. The functions of these are shown in
below.
Page 13
Functional Description
ad-ug-1273_v1_2.pdf
