Section 12 Serial Communication Interface (SCI)
Rev. 3.00 Sep. 27, 2007 Page 423 of 758
REJ09B0243-0300
Bit Bit
Name
Initial
value
R/W Description
6 RDRF
0 R/(W)
*
Receive Data Register Full
Indicates that the received data is stored in the
receive data register (SCRDR).
0: Indicates that valid received data is not stored in
SCRDR
[Clearing conditions]
•
By a power-on reset or in standby mode
•
When 0 is written to RDRF after reading RDRF =
1
1: Indicates that valid received data is stored in
SCRDR
[Setting condition]
•
When serial reception ends normally and receive
data is transferred from SCRSR to SCRDR
Note: SCRDR and the RDRF flag are not affected and
retain their previous states even if an error is
detected during data reception or if the RE bit in
the serial control register (SCSCR) is cleared to
0. If reception of the next data is completed
while the RDRF flag is still set to 1, an overrun
error will occur and the received data will be
lost.
Содержание SH7124 R5F7124
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Страница 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Страница 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
Страница 166: ...Section 7 User Break Controller UBC Rev 3 00 Sep 27 2007 Page 146 of 758 REJ09B0243 0300 ...
Страница 400: ...Section 9 Multi Function Timer Pulse Unit 2 MTU2 Rev 3 00 Sep 27 2007 Page 380 of 758 REJ09B0243 0300 ...
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