AT91FR40161 ATMEL Corporation, AT91FR40161 Datasheet - Page 98
AT91FR40161
Manufacturer Part Number
AT91FR40161
Description
The AT91FR40161 Features 136 K Bytes of On-chip SRAM, 2M Bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 ...
Manufacturer
ATMEL Corporation
Datasheet
1.AT91FR40161.pdf
(153 pages)
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SF Memory Mode Register
This register only applies to the AT91R40807.
Register Name: SF_MMR
Access Type:
Reset Value:
Offset:
• 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:
• 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.
98
31
23
15
31
23
15
–
–
–
–
–
–
7
7
AT91X40 Series
Read/Write
0
0x0C
Read/Write
0
0x18
30
22
14
30
22
14
–
–
–
6
–
–
6
–
AIC
29
21
13
29
21
13
–
–
–
5
–
–
5
28
20
12
28
20
12
–
–
–
–
–
–
4
4
PMRKEY
PMRKEY
27
19
27
19
11
11
–
–
–
–
–
–
3
3
26
18
10
26
18
10
–
–
–
2
–
–
2
–
25
17
25
17
–
–
9
–
1
–
9
–
1
–
1354D–ATARM–08/02
RAMWU
24
16
24
16
–
–
–
–
–
8
0
8
0
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