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AVR32AP bảng dữ liệu(PDF) 72 Page - ATMEL Corporation

tên linh kiện AVR32AP
Giải thích chi tiết về linh kiện  32-bit AVR Microcontroller
PDF  181 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
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AVR32AP bảng dữ liệu(HTML) 72 Page - ATMEL Corporation

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72
32001A–AVR32–06/06
AVR32
Example:
Mov R0, 0
cache DCACHE_FLUSH, R0[DCACHE_CLEAN_ALL]
sync 0
cache ICACHE_FLUSH, R0[ICACHE_INVALIDATE_ALL]
mov PC, new_code_label
6.4
Debug access to ICache memories
It is possible to directly access the memories in the ICache through the SAB bus.
The ICache maps read or write requests to the cache memories by decoding the address as
shown below:
Figure 6-1.
ICache direct access addressing.
Note that the ICache only supports word-aligned 32-bit accesses. Other sizes or alignments may
cause undefined behaviour.
Table 6-3.
ICache direct access address fields
Field
Size (bits)
Description
T/D
1
Access tag memories if set, data memories if cleared
Way
2
Selects which line in a set to access.
Set
log2(number of sets)
Selects which set to access.
Byte
5
Selects which byte of the line to access.
Ignored if accessing tag memory.
Ignored
T/D
Way
Set
Byte
31
0



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