R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 282
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 282 of 2056
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Section 7 Caches
7.7
This LSI supports two 32-byte store queues (SQs) to perform high-speed writes to external
memory.
7.7.1
There are two 32-byte store queues, SQ0 and SQ1, as shown in figure 7.9. These two store queues
can be set independently.
7.7.2
A write to the SQs can be performed using a store instruction for addresses H'E000 0000 to
H'E3FF FFFC in the P4 area. A longword or quadword access size can be used. The meanings of
the address bits are as follows:
[31:26]
[25:6]
[5]
[4:2]
[1:0]
Rev. 2.00 May 22, 2009 Page 212 of 1982
REJ09B0256-0200
Store Queues
SQ Configuration
Writing to SQ
: 111000
: Don't care
: 0/1
: LW specification
: 00
SQ0
SQ1
Fixed at 0
SQ0[0]
SQ1[0]
4B
Figure 7.9 Store Queue Configuration
SQ0[1]
SQ1[1]
4B
Store queue specification
Used for external memory transfer/access right
0 : SQ0 specification
1: SQ1 specification
Specifies longword position in SQ0/SQ1
SQ0[2]
SQ1[2]
4B
SQ0[3]
SQ1[3]
4B
SQ0[4]
SQ1[4]
4B
SQ0[5]
SQ1[5]
4B
SQ0[6]
SQ1[6]
4B
SQ0[7]
SQ1[7]
4B
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