R5S72011 RENESAS [Renesas Technology Corp], R5S72011 Datasheet - Page 211
R5S72011
Manufacturer Part Number
R5S72011
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5S72011.pdf
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8.1
• Capacity
• Structure: Instructions/data separated, 4-way set associative
• Cache lock function (only for operand cache): Way 2 and way 3 are lockable
• Line size: 16 bytes
• Number of entries: 128 entries/way
• Write system: Write-back/write-through selectable
• Replacement method: Least-recently-used (LRU) algorithm
8.1.1
The cache separates data and instructions and uses a 4-way set associative system. It is composed
of four ways (banks), each of which is divided into an address section and a data section.
Each of the address and data sections is divided into 128 entries. The data section of the entry is
called a line. Each line consists of 16 bytes (4 bytes × 4). The data capacity per way is 2 Kbytes
(16 bytes × 128 entries), with a total of 8 Kbytes in the cache as a whole (4 ways). Figure 8.1
shows the operand cache structure. The instruction cache structure is the same as the operand
cache structure except for not having the U bit.
Instruction cache: 8 Kbytes
Operand cache: 8 Kbytes
Features
Cache Structure
Section 8 Cache
Rev. 2.00 Sep. 07, 2007 Page 183 of 1164
REJ09B0321-0200
Section 8 Cache
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