Section 15 Serial Communication Interface (SCI)
Rev. 1.00 Apr. 28, 2008 Page 416 of 994
REJ09B0452-0100
•
Bit Functions in Smart Card Interface Mode (when SMIF in SCMR = 1)
Bit
Bit Name
Initial Value
R/W
Description
7 TDRE 1
R/(W)
*
Transmit Data Register Empty
Indicates whether TDR contains transmit data.
[Setting conditions]
•
When the TE bit in SCR is 0
•
When data is transferred from TDR to TSR, and
TDR can be written to.
[Clearing condition]
When 0 is written to TDRE after reading TDRE = 1
6 RDRF 0
R/(W)
*
1
Receive Data Register Full
Indicates that receive data is stored in RDR.
[Setting condition]
When serial reception ends normally and receive
data is transferred from RSR to RDR
[Clearing condition]
When 0 is written to RDRF after reading RDRF = 1
The RDRF flag is not affected and retains its
previous value when the RE bit in SCR is cleared to
0.
5 ORER 0
R/(W)
*
1
Overrun Error
[Setting condition]
When the next serial reception is completed while
RDRF = 1
[Clearing condition]
When 0 is written to ORER after reading ORER = 1
4 ERS 0
R/(W)
*
1
Error Signal Status
[Setting condition]
When a low error signal is sampled
[Clearing condition]
When 0 is written to ERS after reading ERS = 1
Содержание H8S/2100 Series
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Страница 354: ...Section 11 16 Bit Cycle Measurement Timer TCM Rev 1 00 Apr 28 2008 Page 328 of 994 REJ09B0452 0100...
Страница 380: ...Section 12 16 Bit Duty Period Measurement Timer TDP Rev 1 00 Apr 28 2008 Page 354 of 994 REJ09B0452 0100...
Страница 416: ...Section 13 8 Bit Timer TMR Rev 1 00 Apr 28 2008 Page 390 of 994 REJ09B0452 0100...
Страница 494: ...Section 15 Serial Communication Interface SCI Rev 1 00 Apr 28 2008 Page 468 of 994 REJ09B0452 0100...
Страница 612: ...Section 18 I 2 C Bus Interface IIC Rev 1 00 Apr 28 2008 Page 586 of 994 REJ09B0452 0100...
Страница 706: ...Section 20 LPC Interface LPC Rev 1 00 Apr 28 2008 Page 680 of 994 REJ09B0452 0100...
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