參數(shù)資料
型號(hào): MC80C52TXXX-16SC
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
文件頁(yè)數(shù): 39/77頁(yè)
文件大小: 7480K
代理商: MC80C52TXXX-16SC
44
SAMA5D3 Series [DATASHEET]
11121D–ATARM–03-Apr-14
Mode: five bits to encode the current processor mode. The effect of setting M[4:0] to a reserved value is
UNPREDICTABLE.
10.4.3.1 CP15 Coprocessor
Coprocessor 15, or System Control Coprocessor CP15, is used to configure and control all the items in the list below:
Cortex A5
Caches (ICache, DCache and write buffer)
MMU
Security
Other system options
To control these features, CP15 provides 16 additional registers. See Table 10-4.
Table 10-3. Processor Mode vs. Mode Field
Mode
M[4:0]
USR
10000
FIQ
10001
IRQ
10010
SVC
10011
ABT
10111
UND
11011
SYS
11111
Reserved
Other
Table 10-4. CP15 Registers
Register
Name
Read/Write
0
ID Code(1)
Read/Unpredictable
0
Cache type(1)
Read/Unpredictable
1
Control(1)
Read/Write
1
Read/Write
2
Translation Table Base
Read/Write
3
Domain Access Control
Read/Write
4
Reserved
None
5
Data fault Status
Read/Write
5
Instruction fault status
Read/Write
6
Fault Address
Read/Write
7
Cache and MMU Operations(1)
Read/Write
8
TLB operations
Unpredictable/Write
9
Cache lockdown(1)
Read/Write
10
TLB lockdown
Read/Write
11
Reserved
None
12
Interrupts management
Read/Write
13
FCSE PID(1)
Read/Write
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