HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 660

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 18
Rev. 3.00 Jan. 18, 2008 Page 598 of 1458
REJ09B0033-0300
Bit
4
3, 2
1
0
Bit Name Initial Value R/W Description
RE
—
CKE1
CKE0
Serial Communication Interface with FIFO (SCIF)
0
All 0
0
0
R/W Receive Enable
R
R/W
R/W
Enables or disables the SCIF serial receiver.
0: Receiver disabled*
1: Receiver enabled*
Notes: 1. Clearing RE to 0 does not affect the receive
Reserved
These bits are always read as 0. The write value should
always be 0.
Clock Enable 1and 0
These bits select the SCIF clock source. The bits CKE1
and CKE0 should be set before selecting the SCIF
operating mode by SCSMR.
00: Internal clock, SCK pin used for input pin (input signal
01: Internal clock, SCK pin used for synchronous clock
10: External clock, SCK pin used for clock input*
11: External clock, SCK pin used for clock input*
Notes: 1. When the data sampling is executed using on-
is ignored)*
output*
2. The serial mode register (SCSMR) and FIFO
2. In synchronous mode, a clock with a
3. In asynchronous mode, input the clock which
2
flags (DR, ER, BRK, RDF, FER, PER, and
ORER). These flags retain their previous
values.
control register (SCFCR) should be set to
select the receive format and reset the receive
FIFO before setting the RE bit to 1.
chip baud rate generator, CKE1 and CKE0
should be set to 00.
frequency equal to the bit rate is output. When
the channel 0 is used as the IrDA interface,
CKE1 and CKE0 should be set to 01.
is appropriate for the sampling rate. For
example, when the sampling rate is 1/16,
input the clock frequency 8 times the bit rate.
When the external clock is not input, CKE1
and CKE0 should be set to 00.
When the SCK pin is set as an I/O port pin,
CKE1 and CKE0 should be set to 00.
1
2
1
3
3