Section 13 Serial Communication Interface (SCI)
Rev.2.00 Jun. 28, 2007 Page 459 of 666
REJ09B0311-0200
Bit Functions in Normal Serial Communication Interface Mode (When SMIF in SCMR = 0):
Bit Bit
Name
Initial
Value R/W Description
7 TIE 0 R/W
Transmit
Interrupt
Enable
When this bit is set to 1, a TXI interrupt request is
enabled.
A TXI interrupt request can be cancelled by reading 1
from the TDRE flag and then clearing the flag to 0, or by
clearing the TIE bit to 0.
6 RIE 0 R/W
Receive
Interrupt
Enable
When this bit is set to 1, RXI and ERI interrupt requests
are enabled.
RXI and ERI interrupt requests can be cancelled by
reading 1 from the RDRF, FER, PER, or ORER flag and
then clearing the flag to 0, or by clearing the RIE bit to
0.
5 TE
0 R/W
Transmit
Enable
When this bit is set to 1, transmission is enabled. Under
this condition, serial transmission is started by writing
transmit data to TDR, and clearing the TDRE flag in
SSR to 0. Note that SMR should be set prior to setting
the TE bit to 1 in order to designate the transmission
format.
If transmission is halted by clearing this bit to 0, the
TDRE flag in SSR is fixed 1.
4 RE 0 R/W
Receive
Enable
When this bit is set to 1, reception is enabled. Under
this condition, serial reception is started by detecting
the start bit in asynchronous mode or the synchronous
clock input in clocked synchronous mode. Note that
SMR should be set prior to setting the RE bit to 1 in
order to designate the reception format.
Even if reception is halted by clearing this bit to 0, the
RDRF, FER, PER, and ORER flags are not affected
and the previous value is retained.
Содержание H8SX/1650
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Страница 106: ...Section 4 Exception Handling Rev 2 00 Jun 28 2007 Page 84 of 666 REJ09B0311 0200...
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Страница 470: ...Section 12 Watchdog Timer WDT Rev 2 00 Jun 28 2007 Page 448 of 666 REJ09B0311 0200...
Страница 546: ...Section 13 Serial Communication Interface SCI Rev 2 00 Jun 28 2007 Page 524 of 666 REJ09B0311 0200...
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Страница 574: ...Section 16 RAM Rev 2 00 Jun 28 2007 Page 552 of 666 REJ09B0311 0200...
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Страница 668: ...Section 20 Electrical Characteristics Rev 2 00 Jun 28 2007 Page 646 of 666 REJ09B0311 0200...
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