SAM4L Datasheet, PDF (276/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table 14-4. Semantic of PAGEN field in different commands
Command
PAGEN description
Program GP Fuse Byte
WriteData[7:0], ByteAddress[2:0]
Erase All GP Fuses
Not used
Quick Page Read
Page number
Write User Page
Not used
Erase User Page
Not used
Quick Page Read User Page
Not used
High Speed Mode Enable
Not used
High Speed Mode Disable
Not used
• CMD: Command
This field defines the flash command. Issuing any unused command will cause the Programming Error bit in FSR to be set, and
the corresponding interrupt to be requested if the PROGE bit in FCR is one.
Table 14-5. Set of commands
Command
No operation
Write Page
Erase Page
Clear Page Buffer
Lock region containing given Page
Unlock region containing given Page
Erase All
Write General-Purpose Fuse Bit
Erase General-Purpose Fuse Bit
Set Security Fuses
Program GP Fuse Byte
Erase All GPFuses
Quick Page Read
Write User Page
Erase User Page
Quick Page Read User Page
High Speed Mode Enable
High Speed Mode Disable
RESERVED
Value
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
20-31
Mnemonic
NOP
WP
EP
CPB
LP
UP
EA
WGPB
EGPB
SSB
PGPFB
EAGPF
QPR
WUP
EUP
QPRUP
HSEN
HSDIS
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