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TAS3251: tas3251 I2S频率问题

Part Number: TAS3251
Other Parts Discussed in Thread: TPA3251

您好,我们计划用tas3251做蓝牙喊话器,因为蓝牙的i2s不是标准频率,lrck=15.625k\31.25k,mclk=4m\8m sck=lrck×16,可以正常驱动tas3251吗,不是tpa3251是tas3251!!!急,拜托了

  • 您好, 支持16Khz的LRCK/FS, 但是不支持15.625Khz的频率,如果使用了15.625或31.25Khz的采样频率,可以读取下寄存器R91的状态寄存器, 看是否发生error.

    但是通过这个寄存器bit[6:4]我们可以看出, lrck=15.625k\31.25k不在可支持的范围之内,并且bit[3:0] 可以得出MCLK至少为32fs频率, 否则的话读取此寄存器应该是报错((The MCLK ratio is not allowed)