Datasheet

112

SAM7X Series [DATASHEET]

6120K–ATARM–11-Feb-14

19.3.3 MC Flash Status Register

Access Type: Read-only

Offset: (EFC0) 0x68

Offset: (EFC1) 0x78

• FRDY: Flash Ready Status

0: The EFC is busy and the application must wait before running a new command.

1: The EFC is ready to run a new command.

• LOCKE: Lock Error Status

0: No programming of at least one locked lock region has happened since the last read of MC_FSR.

1: Programming of at least one locked lock region has happened since the last read of MC_FSR.

• PROGE: Programming Error Status

0: No invalid commands and no bad keywords were written in the Flash Command Register MC_FCR.

1: An invalid command and/or a bad keyword was/were written in the Flash Command Register MC_FCR.

• SECURITY: Security Bit Status (Does not apply to EFC1 on the AT91SAM7X512.)

0: The security bit is inactive.

1: The security bit is active.

• GPNVMx: General-purpose NVM Bit Status (Does not apply to EFC1 on the AT91SAM7X512.)

0: The corresponding general-purpose NVM bit is inactive.

1: The corresponding general-purpose NVM bit is active.

• EFC LOCKSx: Lock Region x Lock Status

0: The corresponding lock region is not locked.

1: The corresponding lock region is locked.

31 30 29 28 27 26 25 24

LOCKS15 LOCKS14 LOCKS13 LOCKS12 LOCKS11 LOCKS10 LOCKS9 LOCKS8

23 22 21 20 19 18 17 16

LOCKS7 LOCKS6 LOCKS5 LOCKS4 LOCKS3 LOCKS2 LOCKS1 LOCKS0

15 14 13 12 11 10 9 8

–––––GPNVM2 GPNVM1 GPNVM0

76543210

– – – SECURITY PROGE LOCKE – FRDY