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dm8127 uart register



Hi,all!

    when I check the register of uart, I  find that LCR[7] = 0,LCR[7:0]≠BFh and LCR[7:0] .my question is that if LCR[7:0]=13h, which group register can i choose, LCR[7]=0 or LCR[7:0]≠BFh? The regiter as shown in the following figure