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PCM4202: PCM4202的BCK频率不对

user3645363
Prodigy 160 points
Part Number: PCM4202


HI TI TEAM,

  你好，我在做产品时，用PCM4202+TAS5805, PCM4202作为MASTER,采样频率FS=48KHZ, MCLK=12.288MHZ,

但我想问的是为什么BCK量出来是6.1M而不是3.07MHZ? 我想问问假设已知采样频率如何推算BCK?原理图如下图