HD6417606 RENESAS [Renesas Technology Corp], HD6417606 Datasheet - Page 315
HD6417606
Manufacturer Part Number
HD6417606
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417606.pdf
(532 pages)
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Transmitting Serial Data (Synchronous Mode): Figure 12.13 shows a sample flowchart for
transmitting serial data.
Write transmit data to SCFTDR
Read TDFE and TEND flags
in SCFSR while they are 1, then
clear them to 0
Clear TE bit in SCSCR to 0
Read TEND flag in SCFSR
Read TDFE flag in SCFSR
Figure 12.13 Sample Flowchart for Transmitting Serial Data
All data transmitted?
Start of transmission
End of transmission
TEND = 1?
TDFE = 1?
Yes
Yes
Yes
No
No
No
Section 12 Serial Communication Interface with FIFO (SCIF)
[1]
[2]
[1] SCIF status check and transmit data
[2] Serial transmission continuation
write:
TDFE flag is set to 1, then write
transmit data to SCFTDR. Read the
TDFE and TEND flags while they are
1, then clear them to 0.
procedeure:
1 from the TDFE flag to confirm that
writing is possible, then write data to
SCFTDR, and then clear the TDFE
flag to 0.
Read SCFSR and check that the
To continue serial transmission, read
Rev. 4.00 Sep. 13, 2007 Page 289 of 502
REJ09B0239-0400
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