HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 682

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 18
Figure 18.6 shows the transmit data stop function flowchart.
Rev. 3.00 Jan. 18, 2008 Page 620 of 1458
REJ09B0033-0300
Read TSF bit in SCSSR;
if it is 1, clear to 0 after reading
1 from TSF bit
Serial Communication Interface with FIFO (SCIF)
Set TSE and TSIE bits
Set transmit data stop
Start of transmission
number in SCTDSR
End of transmission
in SCFCR to 1
TSF = 1 ?
Figure 18.6
Yes
Transmit Data Stop Function Flowchart
1
2
3
No
1. Set the transmit data stop number in SCTDSR, then set
2. If the TSF bit in SCSSR is set to 1, clear it to 0 after
3. If the TSF bit is set to 1 (transmit data stop number is
Serial transmission continuation procedure:
Set the TCRST bit in SCFCR to 1, clear transmit count, and
clear the TCRST bit to 0. Then follow steps 1, 2, and 3.
the TSE bit in SCFCR to 1.When an interrupt is enabled,
also set the TSIE bit to 1.
reading 1. When transmit data is written to SCFTDR in
this state, transmit operation is started.
matched with transmit data number), transmit operation
is stopped. If the TSIE bit is set to 1, an interrupt is
generated.