AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 100

• Manufacturer Part Number: AT91SAM7S32-AI
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

MC Flash Command Register
Register Name:
Access Type:
Offset:
• FCMD: Flash Command
This field defines the Flash commands:
100
31
23
15
–
7
–
AT91SAM7S32 Preliminary
Others
FCMD
0000
0001
0010
0100
1000
0011
1011
1101
1111
30
22
14
MC_FCR
Write-only
0x64
–
6
–
Operations
No command.
Does not raise the Programming Error Status flag in the Flash Status Register MC_FSR.
Write Page Command (WP):
Starts the programming of the page specified in the PAGEN field.
Set Lock Bit Command (SLB):
Starts a set lock bit sequence of the lock region specified in the PAGEN field.
Write Page and Lock Command (WPL):
The lock sequence of the lock region associated with the page specified in the field PAGEN
occurs automatically after completion of the programming sequence .
Clear Lock Bit Command (CLB):
Starts a clear lock bit sequence of the lock region specified in the PAGEN field.
Erase All Command (EA):
Starts the erase of the entire Flash.
If at least one page is locked, the command is cancelled.
Set General-purpose NVM Bit (SGPB):
Activates the general-purpose NVM bit corresponding to the number specified in the PAGEN
field.
Clear General Purpose NVM Bit (CGPB):
Deactivates the general-purpose NVM bit corresponding to the number specified in the
PAGEN field.
Set Security Bit Command (SSB):
Sets security bit.
Reserved.
Raises the Programming Error Status flag in the Flash Status Register MC_FSR.
29
21
13
–
5
–
28
20
12
–
4
–
PAGEN
KEY
27
19
11
–
3
26
18
10
–
2
FCMD
25
17
9
1
6071A–ATARM–28-Oct-04
PAGEN
24
16
8
0