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官网上免费样片一栏都是无此商品，请问如何获取，谢谢。
如果免费样片一栏中无此商品，说明中国样片中心不提供该芯片的免费样片。 如果你需要的话，可以到TI的授权代理商购买 www.ti.com.cn/.../gencontent.tsp
