R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 264

• Manufacturer Part Number: R0K572030S000BE
• Description: KIT DEV FOR SH7203
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572030S000BE

• Contents: CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Kit Contents: Board
• Silicon Family Name: SH7203
• Silicon Core Number: R5S72030W200FP
• Tool / Board Applications: General Purpose MCU, MPU, DSP, DSC
• Mcu Supported Families: SH7203
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SH7203
• Lead Free Status / Rohs Status: Compliant

Section 8 Cache
Operations in sections 8.3.2 to 8.3.5 are summarized in table 8.8.
Table 8.8
[Legend]
x:
Notes: Cache renewal cycle: 16-byte read access, write-back cycle in write-back buffer: 16-byte
Rev. 3.00 Sep. 28, 2009 Page 232 of 1650
REJ09B0313-0300
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
Write-through
mode
Write-back mode
Write-through
mode
Write-back mode
Write-through
mode
Write-back mode
U
Bit
⎯
⎯
x
⎯
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. Then 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. Then write-back
cycle in write-back buffer is
generated.
Cache Contents
Not renewed
Renewed to new values by
cache renewal cycle
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 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.