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SC16C752B датащи(PDF) 32 Page - NXP Semiconductors

номер детали SC16C752B
подробное описание детали  5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
PDF  47 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SC16C752B датащи(HTML) 32 Page - NXP Semiconductors

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Philips Semiconductors
SC16C752B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
Product data
Rev. 03 — 14 December 2004
32 of 47
9397 750 14443
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
× sign here means bit-AND.
Set TX FIFO and RX 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 MCR (04) to temp3
Set LCR (03) to BF
Set EFR (02) to temp2
Set LCR (03) to temp1
Read FIFO Rdy register
Read MCR (04), save in temp1
Set temp2 = temp1
× EF [1]
Set MCR (04) = 40 + temp2
Read FFR (07), save in temp2
Pass temp2 back to host
Set MCR (04) to temp1
Set prescaler value to divide-by-1
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 temp3
× 7F [1]
Set LCR (03) to BF
Set EFR (02) to temp2
Set LCR (03) to temp1
Set prescaler value to divide-by-4
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 temp3 + 80
Set LCR (03) to BF
Set EFR (02) to temp2
Set LCR (03) to temp1
Table 23:
Register programming guide…continued
Command
Actions



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