R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 210
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
- Current page: 210 of 2056
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Section 6 Memory Management Unit (MMU)
6.1.1
Virtual Address Space: This LSI supports a 32-bit virtual address space, and can access a 4-
Gbyte address space. The virtual address space is divided into a number of areas, as shown in
figures 6.2 and 6.3. In privileged mode, the 4-Gbyte space from the P0 area to the P4 area can be
accessed. In user mode, a 2-Gbyte space in the U0 area can be accessed. When the SQMD bit in
the MMU control register (MMUCR) is 0, a 64-Mbyte space in the store queue area can be
accessed. When the RMD bit in the on-chip memory control register (RAMCR) is 1, a 16-Mbyte
space in on-chip memory area can be accessed. Accessing areas other than the U0 area, store
queue area, and on-chip memory area in user mode will cause an address error.
When the AT bit in MMUCR is set to 1 and the MMU is enabled, the P0, P3, and U0 areas can be
mapped onto any physical address space in 1-, 4-, or 64-Kbyte, or 1-Mbyte page units. By using
an 8-bit address space identifier, the P0, P3, and U0 areas can be increased to a maximum of 256.
Mapping from the virtual address space to the 29-bit physical address space is carried out using
the TLB.
Rev. 2.00 May 22, 2009 Page 140 of 1982
REJ09B0256-0200
Address Spaces
H'0000 0000
H'8000 0000
H'A000 0000
H'C000 0000
H'E000 0000
H'FFFF FFFF
Figure 6.2 Virtual Address Space (AT in MMUCR = 0)
Privileged mode
Non-cacheable
Non-cacheable
Cacheable
Cacheable
Cacheable
P0 area
P1 area
P2 area
P3 area
P4 area
address space
Physical
Area 0
Area 1
Area 2
Area 3
Area 4
Area 5
Area 6
Area 7
On-chip memory area
Store queue area
Address error
Address error
Address error
User mode
Cacheable
U0 area
H'0000 0000
H'8000 0000
H'E000 0000
H'E400 0000
H'E500 0000
H'E600 0000
H'FFFF FFFF
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