RX610 Group
20. Serial Communications Interface (SCI)
R01UH0032EJ0120 Rev.1.20
Page 626 of 1006
Feb 20, 2013
RDRF Bit (Receive Data Full Flag)
Indicates whether RDR has received data.
[Setting condition]
•
When data has been received normally, and transferred from RSR to RDR
[Clearing condition]
•
When data is transferred from RDR.
TDRE Bit (Transmit Data Empty Flag)
Indicates whether TDR has data to be transmitted.
[Setting condition]
•
When data is transferred from TDR to TSR
[Clearing condition]
•
When data is transferred to TDR