Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
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
7
6
5
4
3
2
1
0
-
HSMODE
QPRR
SECURITY
PROGE
LOCKE
-
FRDY