TL16C752CI-Q1_16 Datasheet, PDF (46/57 Pages) Texas Instruments – Dual UART

TL16C752CI-Q1
SLLSEQ9A – OCTOBER 2015 – REVISED FEBRUARY 2016
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Typical Application (continued)
(a) Set baud rate to VALUE1, VALUE2 Read LCR (03), save in temp Set LCR (03) to 80 Set DLL (00) to
VALUE1 Set DLM (01) to VALUE2 Set LCR (03) to temp
(b) Set Xoff1, Xon1 to VALUE1, VALUE2 Read LCR (03), save in temp Set LCR (03) to BF Set Xoff1 (06) to
VALUE1 Set Xon1 (04) to VALUE2 Set LCR (03) to temp
(c) Set Xoff2, Xon2 to VALUE1, VALUE2 Read LCR (03), save in temp Set LCR (03) to BF Set Xoff2 (07) to
VALUE1 Set Xon2 (05) to VALUE2 Set LCR (03) to temp
(d) Set software flow control mode to VALUE Read LCR (03), save in temp Set LCR (03) to BF Set EFR
(02) to VALUE Set LCR (03) to temp
(e) Set flow control threshold to VALUE Read LCR (03), save in temp1 Set LCR (03) to BF Read EFR (02),
save in temp2 Set EFR (02) to 10 + temp2 Set LCR (03) to 00 Read MCR (04), save in temp3 Set MCR
(04) to 40 + temp3 Set TCR (06) to VALUE Set LCR (03) to BF Set EFR (02) to temp2 Set LCR (03) to
temp1 Set MCR (04) to temp3
(f) Set xmt and rcv FIFO thresholds to VALUE Read LCR (03), save in temp1 Set LCR (03) to BF Read
EFR (02), save in temp2 Set EFR (02) to 10 + temp2 Set LCR (03) to 00 Read MCR (04), save in temp3
Set MCR (04) to 40 + temp3 Set TLR (07) to VALUE Set LCR (03) to BF Set EFR (02) to temp2 Set
LCR (03) to temp1 Set MCR (04) to temp3
(g) Read FIFORdy register Read MCR (04), save in temp1 Set temp2 = temp1 × EF Set MCR (04), save in
temp2 Read FRR (07), save in temp2 Pass temp2 back to host Set MCR (04) to temp1
The designer can use Figure 39 as a guideline to configure each channel of the UART.
9.2.3 Application Curves
Figure 40. Typical Two Bytes Transmission With 6 Bits of
Data (0x15 and 0X21), Odd Parity and One Stop Bit
Figure 41. Typical Fall Time
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