R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 149
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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This LSI is a 2-ILP (instruction-level-parallelism) superscalar pipelining microprocessor.
Instruction execution is pipelined, and two instructions can be executed in parallel.
4.1
Figure 4.1 shows the basic pipelines. Normally, a pipeline consists of seven stages: instruction
fetch (I1/I2), decode and register read (ID), execution (E1/E2/E3), and write-back (WB). An
instruction is executed as a combination of basic pipelines.
1. General Pipeline
2. General Load/Store Pipeline
3. Special Pipeline
4. Special Load/Store Pipeline
5. Floating-Point Pipeline
6.
Floating-Point Extended Pipeline
-Instruction fetch
-Instruction fetch
-Instruction fetch
-Instruction fetch
-Instruction fetch
-Instruction fetch
I1
I1
I1
I1
I1
I1
Pipelines
I2
I2
-Instruction
-Issue
decode
I2
I2
I2
I2
ID
-Instruction decode
-Issue
-Instruction decode
-Issue
-Register read
-Instruction decode
-Issue
-Register read
-Instruction decode
-Issue
-Register read
-Instruction decode
-Issue
-Register read
ID
-Register read
-Forwarding
Section 4 Pipelining
FE1
Figure 4.1 Basic Pipelines
ID
ID
ID
ID
-Register read
-Forwarding
-Operation
FS1
-Forwarding
-Address calculation
-Forwarding
FE2
E1
E1
E1
E1
-Operation
-Operation
FE3
FS2
-Operation
-Operation
-Memory data access
-Operation
-Operation
E2
E2
E2
E2
Rev. 2.00 May 22, 2009 Page 79 of 1982
FE4
FS3
-Operation
FE5
-Operation
E3
E3
E3
E3
FS4
-Operation
FE6
Section 4 Pipelining
REJ09B0256-0200
-Write-back
-Write-back
-Write-back
-Operation
-Write-back
-Operation
-Write-back
WB
WB
WB
WB
FS
FS
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