Rev.6.00 Oct.28.2004 page 473
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REJ09B0138-0600H
Bit 6—Receive Interrupt Enable (RIE): Enables or disables receive data full interrupt (RXI) request and receive error
interrupt (ERI) request generation when serial receive data is transferred from RSR to RDR and the RDRF flag in SSR is
set to 1.
Bit 6
RIE
Description
0
Receive data full interrupt (RXI) request and receive error interrupt (ERI) request
disabled
*
(Initial value)
1
Receive data full interrupt (RXI) request and receive error interrupt (ERI) request
enabled
Note:
*
RXI and ERI interrupt request cancellation can be performed by reading 1 from the RDRF flag, or the FER, PER, or
ORER flag, then clearing the flag to 0, or clearing the RIE bit to 0.
Bit 5—Transmit Enable (TE): Enables or disables the start of serial transmission by the SCI.
Bit 5
TE
Description
0
Transmission disabled
*
1
(Initial value)
1
Transmission enabled
*
2
Notes: 1. The TDRE flag in SSR is fixed at 1.
2. In this state, serial transmission is started when transmit data is written to TDR and the TDRE flag in SSR is
cleared to 0.
SMR setting must be performed to decide the transfer format before setting the TE bit to 1.
Bit 4—Receive Enable (RE): Enables or disables the start of serial reception by the SCI.
Bit 4
RE
Description
0
Reception disabled
*
1
(Initial value)
1
Reception enabled
*
2
Notes: 1. Clearing the RE bit to 0 does not affect the RDRF, FER, PER, and ORER flags, which retain their states.
2. Serial reception is started in this state when a start bit is detected in asynchronous mode or serial clock input is
detected in clocked synchronous mode.
SMR setting must be performed to decide the transfer format before setting the RE bit to 1.
Bit 3—Multiprocessor Interrupt Enable (MPIE): Enables or disables multiprocessor interrupts. The MPIE bit setting is
only valid in asynchronous mode when the MP bit in SMR is set to 1.
Содержание ZTAT H8S/2357F
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