DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 802
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DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 802 of 1686
- Download datasheet (10Mb)
Section 15 Serial Communication Interface with FIFO (SCIF)
• Transmitting Serial Data (Asynchronous Mode)
Rev. 3.00 Sep. 28, 2009 Page 770 of 1650
REJ09B0313-0300
Figure 15.4 shows a sample flowchart for serial transmission.
Use the following procedure for serial data transmission after enabling the SCIF for
transmission.
Write transmit data in SCFTDR,
and read 1 from TDFE flag
Read TEND flag in SCFSR
Clear TE bit in SCSCR to 0
Read TDFE flag in SCFSR
and TEND flag in SCFSR,
Clear SPB2DT to 0 and
Figure 15.4 Sample Flowchart for Transmitting Serial Data
All data transmitted?
Start of transmission
End of transmission
set SPB2IO to 1
Break output?
then clear to 0
TEND = 1?
TDFE = 1?
Yes
Yes
Yes
Yes
No
No
No
No
[1]
[2]
[3]
[1] SCIF status check and transmit data
[2] Serial transmission continuation
[3] Break output during serial
In [1] and [2], it is possible to ascertain
the number of data bytes that can be
written from the number of transmit data
bytes in SCFTDR indicated by the upper
8 bits of SCFDR.
write:
Read SCFSR and check that the
TDFE flag is set to 1, then write
transmit data to SCFTDR, and read 1
from the TDFE and TEND flags, then
clear to 0.
be written is 16 - (transmit trigger set
number).
procedure:
To continue serial transmission, read
1 from the TDFE flag to confirm that
writing is possible, then write data to
SCFTDR, and then clear the TDFE
flag to 0.
transmission:
To output a break in serial
transmission, clear the SPB2DT bit to
0 and set the SPB2IO bit to 1 in
SCSPTR, then clear the TE bit in
SCSCR to 0.
The quantity of transmit data that can
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