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Snapdragon 820 SBC Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.5
Memory
2.5.1
LPDDR4 RAM
The Snapdragon 820 SBC supports 3GB LPDDR4 RAM in PoP package by default. The PoP memory provides four 16-
bit channels combining to form two 32-bit channels on the CPU. The package-on-package implementation adds
LPDDR4 SDRAM memory without increasing the device’s footprint or PCB area.
APQ8096 CPU is the first QTI device
to support LPDDR4 memory. Each LPDDR4 die contains two independent channels as specified by JEDEC and
supports for 6 Gb/8 Gb/12 Gb/16 Gb LPDDR4 SDRAM device. The RAM size can be expandable upto 6GB.
2.5.2
eMMC Flash
The Snapdragon 820 SBC supports 32GB eMMC as default boot device and storage. This is connected to SDC1
controller of the APQ8096 CPU and operates at 1.8V (I/O supply) and 2.95V (NAND core supply) Voltage levels.
The eMMC flash (U15) memory is physically located on bottom side of the SBC. The memory size of the eMMC Flash
can be expandable and the APQ8096 CPU supports eMMC version 5.1V
2.5.3
Micro SD Connector slot
The Snapdragon 820 SBC supports Micro SD slot which can be used to connect Micro SD card as Mass storage. Micro
SD card connector (J11) is directly connected to the SDC2 controller of the APQ8096 CPU. The main power to Micro
SD Card Connector is 2.95 Voltage. Micro SD Connector is physically located on bottom side of the Snapdragon 820
SBC as shown below.
Figure 2: Micro SD Connector
