SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 302
SAM3X8E
Manufacturer Part Number
SAM3X8E
Description
Manufacturer
Atmel Corporation
- Current page: 302 of 1465
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Figure 19-5. Command State Chart
19.4.3.1
302
302
SAM3X/A
SAM3X/A
Getting Embedded Flash Descriptor
This command allows the system to learn about the Flash organization. The system can take full
advantage of this information. For instance, a device could be replaced by one with more Flash
capacity, and so the software is able to adapt itself to the new configuration.
To get the embedded Flash descriptor, the application writes the GETD command in the
EEFC_FCR register. The first word of the descriptor can be read by the software application in
the EEFC_FRR register as soon as the FRDY flag in the EEFC_FSR register rises. The next
reads of the EEFC_FRR register provide the following word of the descriptor. If extra read oper-
Write FCMD and PAGENB in Flash Command Register
Check if FLOCKE flag Set
Check if FCMDE flag Set
Check if FRDY flag Set
Read Status: MC_FSR
Check if FRDY flag Set
Read Status: MC_FSR
Command Successfull
Yes
Yes
No
No
No
No
Yes
Yes
Locking region violation
Bad keyword violation
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
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