Atmel SAM4S Xplained Pro Starter Kit Atmel ATSAM4S-XSTK ATSAM4S-XSTK Hoja De Datos
Los códigos de productos
ATSAM4S-XSTK
325
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
20.5.3 EEFC Flash Status Register
Name:
EEFC_FSR
Address:
0x400E0A08 (0), 0x400E0C08 (1)
Access:
Read-only
Offset:
0x08
• FRDY: Flash Ready Status
0: The Enhanced Embedded Flash Controller (EEFC) is busy.
1: The Enhanced Embedded Flash Controller (EEFC) is ready to start a new command.
When it is set, this flags triggers an interrupt if the FRDY flag is set in the EEFC_FMR register.
This flag is automatically cleared when the Enhanced Embedded Flash Controller (EEFC) is busy.
• FCMDE: Flash Command Error Status
0: No invalid commands and no bad keywords were written in the Flash Mode Register EEFC_FMR.
1: An invalid command and/or a bad keyword was/were written in the Flash Mode Register EEFC_FMR.
This flag is automatically cleared when EEFC_FSR is read or EEFC_FCR is written.
• FLOCKE: Flash Lock Error Status
0: No programming/erase of at least one locked region has happened since the last read of EEFC_FSR.
1: Programming/erase of at least one locked region has happened since the last read of EEFC_FSR.
This flag is automatically cleared when EEFC_FSR is read or EEFC_FCR is written.
• FLERR: Flash Error Status
0: No Flash Memory error occurred at the end of programming (EraseVerify or WriteVerify test has passed).
1: A Flash Memory error occurred at the end of programming (EraseVerify or WriteVerify test has failed).
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25
24
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–
–
–
–
–
–
–
23
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21
20
19
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16
–
–
–
–
–
–
–
–
15
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11
10
9
8
–
–
–
–
–
–
–
–
7
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3
2
1
0
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FLERR
FLOCKE
FCMDE
FRDY