HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1079

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

(4)
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
Figure 30.6
No
No
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
Initialization
Receive end
Example of Receive Processing
RDRF=1?
Yes
Yes
Yes
No
Rev. 3.00 Jan. 18, 2008 Page 1017 of 1458
Error processing
(1)
(2)
(3)
(4)
(5)
(6)
Section 30
SIM Card Module (SIM)
REJ09B0033-0300