https://www.theverge.com/2019/5/22/18635326/huawei-arm-chip-designs-business-suspensionChip designer ARM has suspended business with Huawei, threatening the Chinese company's ability to create its own chips. BBC News reports that ARM employees have been instructed to halt "all active contracts, support entitlements, and any pending engagements" with Huawei due to the US trade ban. The US has banned any US companies from doing business with the Chinese telecom giant without permission from the American government, but ARM is based in the UK and owned by the Japanese SoftBank group.
ARM is concerned it is affected by the US ban, with an internal memo revealing that its chip designs include "US origin technology." Huawei relies on ARM for chip architecture designs for its own Kirin processors, and it pays to license these. Without the licenses, Huawei will not be able to continue manufacturing its own processors using ARM designs and its HiSilicon fabless semiconductor company.
Even without access to these key components Huawei faces a challenge, but without ARM's architecture designs or instruction sets it faces a nearly impossible task of manufacturing a smartphone without US technology inside.
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