TL16C752C Datasheet, PDF (42/50 Pages) Texas Instruments – DUAL UART WITH 64-BYTE FIFO

TL16C752C
DUAL UART
WITH 64-BYTE FIFO
SLLS646 – MARCH 2008
www.ti.com
The TL16C752C can decode positive pulses on Rx. The timing is different, but the variation is invisible to the
UART. The decoder, which works from the falling edge, now recognizes a zero on the trailing edge of the pulse
rather than on the leading edge. As long as the pulse width is fairly constant, as defined by the specification, the
trailing edges should also be 16 clock cycles apart and data can readily be decoded. The zero appears on Int_Rx
after the pulse rather than at the start of it.
Figure 34. Positive Rx Pulse Decode – Detailed View
Figure 35. Positive Rx Pulse Decode – Macro View
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