Datasheet

283
42023E–SAM–07/2013
ATSAM4L8/L4/L2
14.10.3 Flash Status Register
Name: FSR
Access Type: Read-only
Offset:0x08
Reset Value: 0x00000000
• LOCKx: Lock Region x Lock Status
0: The corresponding lock region is not locked.
1: The corresponding lock region is locked.
• ECCERR: ECC Error Status
Automatically cleared when FSR is read.
Indicates the status of the ECC system. ECCERR can only be only updated when ECCERR == 0, ie for the first ECC error
encountered.
• HSMODE: High-Speed Mode
0: High-speed mode disabled.
1: High-speed mode enabled.
• QPRR: Quick Page Read Result
0: The result is zero, i.e. the page is not erased.
1: The result is one, i.e. the page is erased.
• SECURITY: Security Fuses Status
0: The security fuses value indicates a non protected state..
1: The security fuses value indicates a protected state.
• PROGE: Programming Error Status
Automatically cleared when FSR is read.
0: No invalid commands and no bad keywords were written in the Flash Command Register FCMD.
1: An invalid command and/or a bad keyword was/were written in the Flash Command Register FCMD.
• LOCKE: Lock Error Status
Automatically cleared when FSR is read.
0: No programming of at least one locked lock region has happened since the last read of FSR.
1: Programming of at least one locked lock region has happened since the last read of FSR.
• FRDY: Flash Ready Status
0: The Flash Controller is busy and the application must wait before running a new command.
1: The Flash Controller is ready to run a new command.
31 30 29 28 27 26 25 24
LOCK15 LOCK14 LOCK13 LOCK12 LOCK11 LOCK10 LOCK9 LOCK8
23 22 21 20 19 18 17 16
LOCK7 LOCK6 LOCK5 LOCK4 LOCK3 LOCK2 LOCK1 LOCK0
15 14 13 12 11 10 9 8
-------ECCERR-ECCERR
76543210
- HSMODE QPRR SECURITY PROGE LOCKE - FRDY