R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 221

• Manufacturer Part Number: R0K572011S000BE
• Description: KIT STARTER FOR SH7201
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572011S000BE

• Contents: CPU Board, LCD Display Module, E8 Emulator, Cable, QuickStart Guide and CD-ROM
• For Use With/related Products: SH7201
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SH7201 Group
Table 8.8
[Legend]
x:
Note: Cache renewal cycle: 16-byte read access, write-back cycle in write-back buffer: 16-byte
R01UH0026EJ0300 Rev. 3.00
Sep 24, 2010
Cache
Instruction
cache
Operand
cache
Don't care
write access
* Neither LRU renewed. LRU is renewed in all other cases.
CPU Cycle
Instruction
fetch
Prefetch/
read
Write
Cache Operations
Hit/
miss
Hit
Miss
Hit
Miss
Hit
Miss
Write-back mode/
write through mode
⎯
⎯
Either mode is available x
Write-through mode
Write-back mode
Write-through mode
Write-back mode
Write-through mode
Write-back mode
U Bit
⎯
⎯
⎯
0
1
⎯
x
⎯
0
1
External Memory
Accession
(through internal bus)
Not generated
Cache renewal cycle is
generated.
Not generated
Cache renewal cycle is
generated.
Cache renewal cycle is
generated
Cache renewal cycle is
generated. Succeedingly
write-back cycle in write-
back buffer is generated
Write cycle CPU issues is
generated.
Not generated
Write cycle CPU issues is
generated.
Cache renewal cycle is
generated.
Cache renewal cycle is
generated. Succeedingly
write-back cycle in write-
back buffer is generated
Not renewed
Cache Contents
Not renewed
Renewed to new values by
cache renewal cycle
Renewed to new values by
cache renewal cycle
Renewed to new values by
cache renewal cycle
Renewed to new values by
cache renewal cycle
Renewed to new values by
write cycle the CPU issues
Renewed to new values by
write cycle the CPU issues
Not renewed*
Renewed to new values by
cache renewal cycle.
Subsequently renewed
again to new values in
write cycle CPU issues.
Renewed to new values by
cache renewal cycle.
Subsequently renewed
again to new values in
write cycle CPU issues.
Section 8 Cache
Page 193 of 1190