R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 225
R0K572011S000BE
Manufacturer Part Number
R0K572011S000BE
Description
KIT STARTER FOR SH7201
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Datasheets
1.R0K572011S000BE.pdf
(1222 pages)
2.R0K572011S000BE.pdf
(7 pages)
3.R0K572011S000BE.pdf
(5 pages)
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
- Current page: 225 of 1222
- Download datasheet (8Mb)
SH7201 Group
8.4.3
(1)
Specific cache entries can be invalidated by writing 0 to the entry's V bit in the memory mapping
cache access. When the A bit is 1, the tag address specified by the write data is compared to the
tag address within the cache selected by the entry address, and data is written to the bits V and U
specified by the write data when a match is found. If no match is found, there is no operation.
When the V bit of an entry in the address array is set to 0, the entry is written back if the entry's U
bit is 1.
An example when a write data is specified in R0 and an address is specified in R1 is shown below.
(2)
The data section of a specific cache entry can be read by the memory mapping cache access. The
longword indicated in the data field of the data array in figure 8.4 is read into the register.
An example when an address is specified in R0 and data is read in R1 is shown below.
R01UH0026EJ0300 Rev. 3.00
Sep 24, 2010
; R0=H'0110 0010; tag address(28-11)=B'0 0001 0001 0000 0000 0, U=0, V=0
; R1=H'F080 0088; operand cache address array access, entry=B'000 1000, A=1
;
; R0=H'F100 004C; instruction cache data array access, entry=B'000 0100,
; Way=0, longword address=3
;
MOV.L R0,@R1
MOV.L @R0,R1
Invalidating Specific Entries
Reading the Data of a Specific Entry
Usage Examples
Section 8 Cache
Page 197 of 1190
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