R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 504
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 12 DDR-SDRAM Interface (DDRIF)
12.5.3
Table 12.6 shows the DDR-SDRAM commands supported by the DDRIF.
Table 12.6 DDR-SDRAM Commands Issued by DDRIF
[Legend]
H:
L:
X:
V:
The DESL command in table 12.6 is issued when the DDR-SDRAM is not accessed by modules.
The DESL command therefore cannot be issued by the user.
Rev. 2.00 May 22, 2009 Page 434 of 1982
REJ09B0256-0200
Function
Device deselect
No operation
Read
Read with auto precharge READA
Write
Write with auto precharge WRITEA
Bank activate
Precharge select bank
Precharge all banks
Auto refresh
Self-refresh entry from
IDLE
Self-refresh exit
Power-down entry
Power-down exit
Mode register set
High level
Low level
High level or low level (either is acceptable)
Valid data
Supported DDR-SDRAM Commands
Symbol
DESL
NOP
READ
WRITE
ACT
PRE
PREALL
REFA
REFS
REFSX
PWRDN
PWRDNX
MRS/
EMRS
CKEn − 1 CKEn CS
H
H
H
H
H
H
H
H
H
H
H
L
H
L
H
X
X
X
X
X
X
X
X
X
H
L
H
L
H
X
H
L
L
L
L
L
L
L
L
L
L
H
H
H
L
RAS
H
H
H
H
H
L
L
L
L
L
X
X
X
L
X
CAS
X
H
L
L
L
L
H
H
H
L
L
X
X
X
L
WE
X
H
H
H
L
L
H
L
L
H
H
X
X
X
L
MA13
to
MA11
V
V
V
V
X
X
X
V
X
X
V
X
X
X
X
AP
(MA10)
X
X
L
H
L
H
V
L
H
X
X
X
X
X
V
BA1
and
BA0
X
X
V
V
V
V
V
V
X
X
X
X
X
X
V
X
MA9 to
MA0
X
X
V
V
V
V
V
X
X
X
X
X
X
V
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