HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 657
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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18.3.6
SCSCR is a 16-bit readable/writable register that operates the SCI transmitter/receiver,
enables/disables interrupt requests, and selects the transmit/receive clock source.
Bit
15
14
13,12
11
Serial Control Register (SCSCR)
Bit Name
TDRQE
RDRQE
TSIE
Initial Value R/W
0
0
All 0
0
R
R/W
R/W
R/W
Section 18
Description
Transmit Data Transfer Request Enable
Selects whether to issue the transmit-FIFO-data-
empty interrupt request or DMA transfer request when
TIE = 1 and transmit FIFO empty interrupt is
generated at the transmission.
0: Interrupt request is issued to CPU
1: Transmit data transfer request is issued to DMAC
Receive Data Transfer Request Enable
Selects whether to issue the receive-FIFO-data-full
interrupt or DMA transfer request when RIE = 1 and
receive FIFO data full interrupt is generated at the
reception.
0: Interrupt request is issued to CPU
1: Receive data transfer request is issued to DMAC
Reserved
These bits are always read as 0. The write value
should always be 0.
Transmit Data Stop Interrupt Enable
Enables or disables the generation of the transmit-
data-stop interrupt requested when the TSE bit in
SCFCR is enabled and the TSF flag in SCSSR is set
to 1.
0: The transmit-data-stop-interrupt disabled*
1: The transmit-data-stop-interrupt enabled
Note:
*
Serial Communication Interface with FIFO (SCIF)
The transmit data stop interrupt request is
cleared by reading the TSF flag after it has
been set to 1, then clearing the flag to 0,
or clearing the TSIE bit to 0.
Rev. 3.00 Jan. 18, 2008 Page 595 of 1458
REJ09B0033-0300
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