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Zynq Ult MPSoC SBC Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.4
Memory
2.4.1
DDR4 SDRAM for PS
The Zynq Ult MPSoC SBC supports 64bit, 2GB DDR4 RAM memory for
MPSoC’s
PS. Four 16 bit, 512MB DDR4
SDRAM ICs are used to support a total on board RAM memory of 2GB. These DDR4 devices operates at 1.2 voltage
level. DDR4 memory is connected to the hard memory controller of the MPSoC PS. The RAM size can be expandable
up to maximum of 8GB based on the availability of higher density 16bit DDR4 device.
Note: Refer
section for exact RAM size used on the SBC based on the Product Part Number.
2.4.2
DDR4 SDRAM for PL
The Zynq Ult MPSoC SBC supports 32bit, 1GB DDR4 RAM memory for
MPSoC’s
PL. Four 16 bit, 512MB DDR4
SDRAM IC is used to support RAM memory of 1GB for PL. This device operates at 1.2 voltage level. In Zynq Ult
MPSoC SBC, Bank65 & 66 is used for PL DDR4 interface. The RAM size can be expandable up to maximum of 32GB
based on the availability of higher density 16bit DDR4 device.
The Zynq Ult MPSoC SBC supports 300MHz LVDS Oscillator on board for PL DDR4 reference clock and
connected to Bank64 D6 & D7 dedicated clock input pins through AC Coupling capacitors.
Note: Refer
section for exact RAM size used on the SBC based on the Product Part Number.
2.4.3
eMMC Flash
The Zynq Ult MPSoC SBC supports 8GB eMMC Flash memory for Boot & Storage of Zynq Ult MPSoC
PS. This eMMC Flash memory is directly connected to the SD0 controller of the
MPSOC’s
PS through MIO pins and
operates at 1.8V Voltage level. This SD/SDIO controller supports eMMC4.51 standard with up to 8bit HS200 mode. The
eMMC Flash size can be expandable up to maximum of 128GB based on the availability of higher density eMMC Flash
device.
section for exact eMMC Flash size used on the SBC based on the Product Part
Number.
2.4.4
EEPROM
The Zynq Ult MPSoC SBC supports 256kb EEPROM for MAC Address. The I2C0 module of Zynq Ult
MPSoC PS is used for EEPROM interface through MIO pins with I2C address 0x50. This device operates at 1.8 voltage
level.