R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 177
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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There are two methods by which the MMU can perform mapping from virtual memory to physical
memory: the paging method, using fixed-length address translation, and the segment method,
using variable-length address translation. With the paging method, the unit of translation is a
fixed-size address space called a page.
In the following descriptions, the address space in virtual memory in this LSI is referred to as
virtual address space, and the address space in physical memory as physical address space.
Process 1
Physical
Memory
(0)
Process 1
Process 2
Process 3
Process 1
Figure 7.1 Role of MMU
Physical
Memory
Physical
Memory
(1)
(3)
Process 1
Process 1
Process 2
Process 3
Rev.1.00 Jan. 10, 2008 Page 145 of 1658
7. Memory Management Unit (MMU)
Virtual
Memory
Virtual
Memory
MMU
MMU
REJ09B0261-0100
Physical
Memory
Physical
Memory
(2)
(4)
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