ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 320

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.4.2
Name:
Addresses:
Access:
Offset:
• FCMD: Flash Command
This field defines the flash commands. Refer to
• FARG: Flash Command Argument
• FKEY: Flash Writing Protection Key
This field should be written with the value 0x5A to enable the command defined by the bits of the register. If the field is writ-
ten with a different value, the write is not performed and no action is started.
320
Erase command
Programming command
Lock command
GPNVM command
Get commands
Unique Identifier commands
31
23
15
7
SAM3U Series
EEFC Flash Command Register
30
22
14
EEFC_FCR
0x400E0804 (0), 0x400E0A04 (1)
Write-only
0x04
6
For erase all command, this field is meaningless.
FARG defines the page number to be programmed.
FARG defines the page number to be locked.
FARG defines the GPNVM number.
Field is meaningless.
Field is meaningless.
29
21
13
5
“Flash Commands” on page
28
20
12
4
FCMD
FARG
FARG
FKEY
27
19
11
3
311.
26
18
10
2
25
17
9
1
6430D–ATARM–25-Mar-11
24
16
8
0