XR68C681 Datasheet, PDF (48/75 Pages) Exar Corporation – CMOS Dual Channel UART (DUART)

XR68C681
MR1n[2] - Parity Type Select
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 M=41N
MR1n[1:0] - Bits per Character Select
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Mode Register 2 (Channels A and B)
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MR2n[7:6] - Channel Mode Select
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Figure 19 % %  $(- $('( - 
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Figure 19. A Block Diagram Depicting Normal Mode Operation
 
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