TL16C752CI-Q1_16 Datasheet, PDF (41/57 Pages) Texas Instruments – Dual UART

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TL16C752CI-Q1
SLLSEQ9A – OCTOBER 2015 – REVISED FEBRUARY 2016
WR THR
TX
DTRx
1 Baud Time
Controlled by DLY[2:0]
A. Waveforms are not shown to scale, as the WR THR pulses typically are less than 100 ns, where the TX waveform
varies with baud rate but is typically in the microsecond range.
Figure 27. DTRx and Transmit Data Relationship
RS-485 XCVR
TSR
Loopback
RSR
UART
TX
DTR
RX
48SEN
RCVEN
DEN
REN
RS-485 BUS
Figure 28. RS-485 Application Example 1
TSR
Loopback
RSR
UART
TX
DTR
RX
48SEN
RCVEN
RS-485 XCVR
DEN
REN
Figure 29. RS-485 Application Example 2
RS-485 BUS
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