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→STM32L476 随机发生器简介
=== STM32L476 随机发生器简介 ===
随机发生器定义：
RNG是一个真正的随机数发生器，它基于模拟噪声源连续提供32位熵样本。它可以被应用程序用作活动熵源，以构建符合NIST的确定性随机比特生成器（DRBG）。 RNG真随机数发生器已根据德国AIS-31标准进行了验证。
{{Note|text=熵：热力学中表征物质状态的参量之一，用符号S表示，其物理意义是体系混乱程度的度量。|type=info}}
真随机数发生器生成条件：
•RNG时钟rng_clk = 48 MHz
•AHB时钟rng_hclk = 60 MHz
[[文件:NBDK-DS-RNG.png|边框|居中|无框|806x806像素]]
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=== 硬件设计 ===