R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1185
![IC SUPERH MPU ROMLESS 499BGA](/photos/12/43/124352/r5s77631y266bgv_sml.jpg)
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 27 Serial Communication Interface with FIFO (SCIF)
27.5
SCIF Interrupt Sources and the DMAC
The SCIF has four interrupt sources: transmit-FIFO-data-empty interrupt (TXI) request, receive-
error interrupt (ERI) request, receive-FIFO-data-full interrupt (RXI) request, and break interrupt
(BRI) request.
Table 27.8 shows the interrupt sources and their order of priority. The interrupt sources are
enabled or disabled by means of the TIE, RIE, and REIE bits in SCSCR. A separate interrupt
request is sent to the interrupt controller for each of these interrupt sources.
If the TDFE flag in SCFSR is set to 1 when a TXI interrupt is enabled by the TIE bit, a TXI
interrupt request and a transmit-FIFO-data-empty request for DMA transfer are generated. If the
TDFE flag is set to 1 when a TXI interrupt is disabled by the TIE bit, only a transmit-FIFO-data-
empty request for DMA transfer is generated. A transmit-FIFO-data-empty request can activate
the DMAC to perform data transfer.
If the RDF or DR flag in SCFSR is set to 1 when an RXI interrupt is enabled by the RIE bit, an
RXI interrupt request and a receive-FIFO-data-full request for DMA transfer are generated. If the
RDF or DR flag is set to 1 when an RXI interrupt is disabled by the RIE bit, only a receive-FIFO-
data-full request for DMA transfer is generated. A receive-FIFO-data-full request can activate the
DMAC to perform data transfer. Note that generation of an RXI interrupt request or a receive-
FIFO-data-full request by setting the DR flag to 1 occurs only in asynchronous mode.
When the BRK flag in SCFSR or the ORER flag in SCLSR is set to 1, a BRI interrupt request is
generated. If transmission/reception is carried out using the DMAC, set and enable the DMAC
before making the SCIF settings. Also make settings to inhibit output of RXI and TXI interrupt
requests to the interrupt controller. If output of interrupt requests is enabled, these interrupt
requests to the interrupt controller can be cleared by the DMAC regardless of the interrupt
handler.
By setting the REIE bit to 1 while the RIE bit is cleared to 0 in SCSCR, it is possible to output
ERI interrupt requests, but not RXI interrupt requests.
Rev. 2.00 May 22, 2009 Page 1115 of 1982
REJ09B0256-0200
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