Datasheet

143
32072H–AVR32–10/2012
AT32UC3A3
12.8.4 Flash Status Register
Name: FSR
Access Type: Read/Write
Offset: 0x08
Reset value: 0x00000000
• 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.
• 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.
• 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.
• SECURITY: Security Bit Status
0: The security bit is inactive.
1: The security bit is active.
• 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.
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
FSZ ----
76543210
- QPRR SECURITY PROGE LOCKE - FRDY