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TL16C752CRHBRG4 Datasheet(PDF) 43 Page - Texas Instruments |
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TL16C752CRHBRG4 Datasheet(HTML) 43 Page - Texas Instruments |
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43 / 50 page  www.ti.com TL16C752C Programmer's Guide TL16C752C DUAL UART WITH 64-BYTE FIFO SLLS646 – MARCH 2008 The base set of registers that are used during high-speed data transfer have a straightforward access method. The extended function registers require special access bits to be decoded along with the address lines. The following guide will help with programming these registers. Note that the descriptions below are for individual register access. Some streamlining through interleaving can be obtained when programming all the registers. 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 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 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 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 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 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 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 Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 43 Product Folder Link(s): TL16C752C |
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