R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 180
![IC SUPERH MPU ROMLESS 436-BGA](/photos/28/62/286211/436-bfbga_sml.jpg)
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
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
-20°C ~ 75°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:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 180 of 1694
- Download datasheet (9Mb)
7. Memory Management Unit (MMU)
(b) P1 Area
(c)
(d) P4 Area
Rev.1.00 Jan. 10, 2008 Page 148 of 1658
REJ09B0261-0100
The P1 area does not allow address translation using the TLB but can be accessed using the
cache.
Regardless of whether the MMU is enabled or disabled, clearing the upper 3 bits of an address
to 0 gives the corresponding physical address. Whether or not the cache is used is determined
by the CCR setting. When the cache is used, switching between the copy-back method and the
write-through method for write accesses is specified by the CB bit in CCR.
The P2 area does not allow address translation using the TLB and access using the cache.
Regardless of whether the MMU is enabled or disabled, clearing the upper 3 bits of an address
to 0 gives the corresponding physical address.
The P4 area is mapped onto the internal resource of this LSI. This area except the store queue
and on-chip memory areas does not allow address translation using the TLB. This area cannot
be accessed using the cache. The P4 area is shown in detail in figure 7.4.
P2 Area
H'E000 0000
H'E400 0000
H'E500 0000
H'E600 0000
H'F000 0000
H'F100 0000
H'F200 0000
H'F300 0000
H'F400 0000
H'F500 0000
H'F600 0000
H'F700 0000
H'F800 0000
H'FC00 0000
H'FFFF FFFF
Figure 7.4 P4 Area
Unified TLB and PMB address array
Unified TLB and PMB data array
Instruction cache address array
Operand cache address array
Instruction TLB address array
Instruction cache data array
Operand cache data array
Instruction TLB data array
On-chip memory area
Control register area
Reserved area
Reserved area
Reserved area
Store queue
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