SC16C754 Philips Semiconductors, SC16C754 Datasheet - Page 33

• Manufacturer Part Number: SC16C754
• Description: Quad UART with 64-byte FIFO
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 11618
Product data
Table 23:
[1]
Command
Set TX FIFO and RX FIFO thresholds
to VALUE
Read FIFO Rdy register
Set prescaler value to divide-by-1
Set prescaler value to divide-by-4
sign here means bit-AND.
Register programming guide
Rev. 04 — 19 June 2003
Actions
…continued
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 MCR (04), save in temp1
Set temp2 = temp1
Set MCR (04) = 40 + temp2
Read FFR (07), save in temp2
Pass temp2 back to host
Set MCR (04) to temp1
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
Set LCR (03) to BF
Set EFR (02) to temp2
Set LCR (03) to temp1
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
Quad UART with 64-byte FIFO
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
EF
SC16C754
[1]
7F
[1]
33 of 49