Design

Processor AMC with Layerscape LX2160A

11th February 2021
Alex Lynn

VadaTech has announced the AMC705. The AMC705 is a Processor AMC (PrAMC) based on the NXP Layerscape LX2160A in a single-module, full-size AMC form factor based on the AMC.1, AMC.2 and the AMC.4 specifications. The LX2160A provides 16 Cortex- A72 cores with 8 MB platform cache and dual 64-bit memory controllers.

Additionally, the front panel on the module provides GbE via a RJ-45 connector and 100GbE/40GbE/Quad-10GbE via a QSFP28 connector. The AMC705 provides dual 10/1GbE to the rear per AMC.2 specification on Ports 0 and 1. Ports 0 and 1 will support 10G operation but this is outside the AMC standard (MCH with 10G on ports 0/1 or point to point on backplane is required). 

The 10GbE support on ports 0 and 1 allows only 40GbE on the front panel. If 100GbE is desired ports 0 and 1 must run at 1GbE and Ports 4-7 can be configured as SRIO or PCIe. The module also has option for PCIe on port 8-11 and when ports 8-11 are routed, the module could be configured as dual PCIe x4 or single x8. The two 64-bit wide memory banks on the module provide up to 16 GB of DDR4 with ECC.

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