R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1234
R5S77631Y266BGV
Manufacturer Part Number
R5S77631Y266BGV
Description
IC SUPERH MPU ROMLESS 499BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R5S77631Y266BGV.pdf
(2056 pages)
Specifications of R5S77631Y266BGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
266MHz
Connectivity
Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
107
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
499-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 28 Serial Communication Interface with FIFO/IrDA Interface (SCIF/IrDA)
(5)
Figures 28.9 and 28.10 shows a sample flowcharts for serial reception.
Use the following procedure for serial data reception after enabling the SCIF for reception.
Rev. 2.00 May 22, 2009 Page 1164 of 1982
REJ09B0256-0200
Serial Data Reception (Asynchronous Mode)
No
No
ER, DR, BRK or ORER = 1?
Read ER, DR, BRK flags in
Clear RE bit in SCSCR to 0
Read RDF flag in SCFSR
SCFRDR, and clear RDF
Read receive data in
SCFSR and ORER
flag in SCFSR to 0
All data received?
Start of reception
End of reception
flag in SCLSR
RDF = 1?
Figure 28.9 Sample Serial Reception Flowchart (1)
No
Yes
Yes
Error handling
[1]
[2]
[3]
Yes
[1] Receive error handling and break detection:
[2] SCIF status check and receive data read:
[3] Serial reception continuation procedure:
Read the DR, ER, and BRKflags in SCFSR, and the
ORER flag in SCLSR, to identify any error, perform the
appropriate error handling, then clear the DR, ER, BRK,
and ORER flags to 0. In thecase of a framing error, a
break can also be detected by reading the value of the
SCIF_RXD pin.
Read SCFSR and check that RDF = 1, then read the
receive data in SCFRDR, read 1 from the RDF flag,
and then clear the RDF flag to 0. The transition of the
RDF flag from 0 to 1 can also be identified by an RXI
interrupt.
To continue serial reception, read at least the receive
trigger set number of receive data bytes from SCFRDR,
read 1 from the RDF flag, then clear the RDF flag to 0.
The number of receive data bytes in SCFRDR can be
ascertained by reading from SCFDR.
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