R5S72011 RENESAS [Renesas Technology Corp], R5S72011 Datasheet - Page 224
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
(1196 pages)
- Current page: 224 of 1196
- Download datasheet (8Mb)
Section 8 Cache
8.3.6
Use software to ensure coherency between the cache and the external memory. When memory
shared by this LSI and another device is mapped in the address space to be cached, operate the
memory-mapped cache to invalidate and write back as required.
8.4
To allow software management of the cache, cache contents can be read and written by means of
MOV instructions. The instruction cache address array is mapped onto addresses H'F0000000 to
H'F07FFFFF, and the data array onto addresses H'F1000000 to H'F17FFFFF. The operand cache
address array is mapped onto addresses H'F0800000 to H'F0FFFFFF, and the data array onto
addresses H'F1800000 to H'F1FFFFFF. Only longword can be used as the access size for the
address array and data array, and instruction fetches cannot be performed.
8.4.1
To access an address array, the 32-bit address field (for read/write accesses) and 32-bit data field
(for write accesses) must be specified.
In the address field, specify the entry address selecting the entry, the W bit for selecting the way,
and the A bit for specifying the existence of associative operation. In the W bit, B'00 is way 0,
B'01 is way 1, B'10 is way 2, and B'11 is way 3. Since the access size of the address array is fixed
at longword, specify B'00 for bits 1 and 0 of the address.
The tag address, LRU bits, U bit (only for operand cache), and V bit are specified as data. Always
specify 0 for the upper three bits (bits 31 to 29) of the tag address.
For the address and data formats, see figure 8.4.
The following three operations are possible for the address array.
(1)
The tag address, LRU bits, U bit (only for operand cache), and V bit are read from the entry
address specified by the address and the entry corresponding to the way. For the read operation,
associative operation is not performed regardless of whether the associative bit (A bit) specified by
the address is 1 or 0.
Rev. 2.00 Sep. 07, 2007 Page 196 of 1164
REJ09B0321-0200
Address Array Read
Coherency of Cache and External Memory
Memory-Mapped Cache
Address Array
Related parts for R5S72011
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet: