A38X MicroSom

Description

SolidRun’s leading System on a Module (38x-MicroSoM™) family is designed for embedded systems product developers and OEMs. SolidRun has packed a Marvell ARMADA 38x SoC (System-on-Chip), memory subsystem, I/O and interconnected subsystems into a single ultra-compact System-on-Module sized at 35mm x 50mm. The MicroSoM is available in a variety of power, memory and storage configurations, offering engineers a unique set of off-the-shelf design features and benefits such as faster time to market, lowers design costs and reduced risks.

Hardware specification

  • Detailed Hardware specification of the A38X MicroSom can be found here:
    A38X MicroSom Specs
  • Detailed Clearfog specification can be found here:
    Clearfog Specs
  • Detailed A38X Carrierboard specification can be found here:
    A38X Carrierboard
  • Additional Documents: A38X MicroSom Documents

Comparison Table

SolidRun offers several MicroSOMs with varying capability, differentiated primarily by processing cores, network capability, and integrated memory amount.

Description/Model MicroSom A388
System on Chip Marvell Armada 388 (88F6828)
Processor Core Dual core ARM Cortex-A9
Processor Speed Up to 1.6GHz commercial, Up to 1.3GHz industrial grade
Floating Point
SIMD Neon
L1 Cache 32KB per core
L2 Cache 1MB shared
Memory Type 32 bit DDR3L
ECC Optional
Memory Capacity 1GByte (up to 2GB)
SPI Flash Optional
eMMC Optional
Connectivity
10/100/1000 Mbps MAC 3 Ports
On uSOM GE PHY 1
SDIO
I2S / SPIDF / TDM
USB 2.0 3
RTC Support (battery on carrier)
GPIO pins
Power Managements Signaling
JTAG
Connectivity - MUXED SERDES Interfaces 2 6
mSATA 4xGen III
PCIE 2.0 x1 4xGen II
USB 3.0 Requires USB 2.0 port too) 2
QSGMII 1xQSGMII (3 MACs)
OS Support U-boot, Linux Kernel 3.x, OpenWRT,Yocto
Mechanical and Electronic specifications
Temperature Range Commercial / Industrial
Supply Voltages 3.3V - 5V
I/O Voltage 3.3V, 1.8V
SOM Interface Hirose DF40 connectors 1.5mm to 3mm mating height
Dimensions (W x L) 49mm x 32.5mm

1 Not supported by default. Can be supported per customer's request
2 Refer to the SR-Armada-uSOM-Refence-Manual for complete table

MicroSom available in Commercial (0°C ~ 70°C ambient) and Industrial grade (-40°C ~ 85°C ambient).
ARMADA 38x SoC maximum die temperature must be below 115°C in both Commercial and Industrial grades.
ARMADA 38x SoC processor maximum speed for industrial grade devices is 1.3GHz

Block Diagrams



Connectors

* SoM connector part number is “DF40C-80DP-0.4V(51)” from HIROSE.
* Carrier board connector part number that we use (1.5mm mating height) is “DF40C-80DS-0.4V(51)” from HIROSE.