參數(shù)資料
型號: AT91M40807-33AI
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Microcontroller
中文描述: 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 1.40 MM HEIGHT, TQFP-100
文件頁數(shù): 98/153頁
文件大?。?/td> 1837K
代理商: AT91M40807-33AI
98
AT91X40 Series
1354D
ATARM
05/02
SF Memory Mode Register
This register only applies to the AT91R40807.
Register Name
: SF_MMR
Access Type
:
Read/Write
Reset Value
:
0
Offset
:
0x0C
RAMWU: Internal Extended RAM Write Detection (Code Label
SF_RAMWU
)
0 = Writing in RAM generates an Abort.
1 = Writing in RAM is allowed.
SF Protect Mode Register
Register Name
: SF_PMR
Access Type
:
Reset Value
:
Offset
:
Read/Write
0
0x18
PMRKEY: Protect Mode Register Key (Code Label
SF_PMRKEY
)
Used only when writing SF_PMR. PMRKEY is reads 0.
0x27A8: Write access in SF_PMR is allowed.
Other value: Write access in SF_PMR is prohibited.
AIC: AIC Protect Mode Enable (Code Label
SF_AIC
)
0 = The Advanced Interrupt Controller runs in Normal Mode.
1 = The Advanced Interrupt Controller runs in Protect Mode.
See
Protect Mode
on page 60.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RAMWU
31
30
29
28
27
26
25
24
PMRKEY
23
22
21
20
19
18
17
16
PMRKEY
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
AIC
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