R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 246
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
- Current page: 246 of 1694
- Download datasheet (9Mb)
8. Caches
• Data array
• LRU
Rev.1.00 Jan. 10, 2008 Page 214 of 1658
REJ09B0261-0100
The data field holds 32 bytes (256 bits) of data per cache line. The data array is not initialized
by a power-on or manual reset.
In a 4-way set-associative method, up to 4 items of data can be registered in the cache at each
entry address. When an entry is registered, the LRU bit indicates which of the 4 ways it is to be
registered in. The LRU mechanism uses 6 bits of each entry, and its usage is controlled by
hardware. The LRU (least-recently-used) algorithm is used for way selection, and selects the
less recently accessed way. The LRU bits are initialized to 0 by a power-on reset but not by a
manual reset. The LRU bits cannot be read from or written to by software.
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