DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 819
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: 819 of 1686
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15.6.3
When the DMAC writes data to SCFTDR due to a TXI interrupt request, the state of the TEND
flag becomes undefined. Therefore, the TEND flag should not be used as the transfer end flag in
such a case.
15.6.4
Break signals can be detected by reading the RxD pin directly when a framing error (FER) is
detected. In the break state the input from the RxD pin consists of all 0s, so the FER flag is set and
the parity error flag (PER) may also be set.
Note that, although transfer of receive data to SCFRDR is halted in the break state, the SCIF
receiver continues to operate.
15.6.5
The I/O condition and level of the TxD pin are determined by the SPB2IO and SPB2DT bits in the
serial port register (SCSPTR). This feature can be used to send a break signal.
Until TE bit is set to 1 (enabling transmission) after initializing, the TxD pin does not work.
During the period, mark status is performed by the SPB2DT bit. Therefore, the SPB2IO and
SPB2DT bits should be set to 1 (high level output).
To send a break signal during serial transmission, clear the SPB2DT bit to 0 (designating low
level), then clear the TE bit to 0 (halting transmission). When the TE bit is cleared to 0, the
transmitter is initialized regardless of the current transmission state, and 0 is output from the TxD
pin.
15.6.6
The SCIF operates on a base clock with a frequency 16 or 8 times the bit rate. In reception, the
SCIF synchronizes internally with the fall of the start bit, which it samples on the base clock.
Receive data is latched at the rising edge of the eighth or fourth base clock pulse. When the SCIF
operates on a base clock with a frequency 16 times the bit rate, the receive data is sampled at the
timing shown in figure 15.19.
Restriction on DMAC Usage
Break Detection and Processing
Sending a Break Signal
Receive Data Sampling Timing and Receive Margin (Asynchronous Mode)
Section 15 Serial Communication Interface with FIFO (SCIF)
Rev. 3.00 Sep. 28, 2009 Page 787 of 1650
REJ09B0313-0300
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