SAM7X128_14 Datasheet, PDF (110/662 Pages) ATMEL Corporation – ARM-based Flash MCU

19.3.2 MC Flash Command Register
Register Name:
MC_FCR
Access Type:
Write-only
Offset: (EFC0)
0x64
Offset: (EFC1)
0x74
31
30
29
28
27
26
25
24
KEY
23
22
21
20
19
18
17
16
–
–
–
–
–
–
PAGEN
15
14
13
12
11
10
9
8
PAGEN
7
6
5
4
3
2
1
0
–
–
–
–
FCMD
• FCMD: Flash Command
This field defines the Flash commands:
FCMD
0000
0001
0010
0011
0100
1000
1011
1101
1111
Others
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.
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
110