r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1341

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

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When switching from receive mode to transmit mode, after confirming that reception has been
completed, start initialization, and then clear the RE bit to 0 and set the TE bit to 1. Completion of
reception can be confirmed through the RDRF flag.
When switching from transmit mode to receive mode, after confirming that transmission has been
completed, start initialization, and then clear the TE bit to 0 and set the RE bit to 1. Completion of
transmission can be confirmed through the TDRE and TEND flags.
Switching Modes
No
No
Figure 30.6 Example of Receive Processing
Read received data from SCRDR
Clear RE bit in SCSCR to 0
and WAIT_ER all 0s?
Are PER, ORER,
All data received?
Start reception
Receive end
Initialization
RDRF = 1?
Yes
Yes
Yes
No
Rev. 1.00 Oct. 01, 2007 Page 1275 of 1956
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Error processing
Section 30 SIM Card Module (SIM)
REJ09B0256-0100