ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 315
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ATSAM3S-EK
Manufacturer Part Number
ATSAM3S-EK
Description
KIT EVAL FOR ATSAM3S4C
Manufacturer
Atmel
Series
SAM3Sr
Type
MCUr
Specifications of ATSAM3S-EK
Contents
Board, Cables, Power Supply
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex-M3
Kit Contents
Board
Features
TFT Colour LCD Display, SD/MMC Interface
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S-EK
Manufacturer:
Atmel
Quantity:
135
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19.2.5.3
19.2.5.4
6500C–ATARM–8-Feb-11
Flash Full Erase Command
Flash Lock Commands
Table 19-9.
The Flash command Write Page and Lock (WPL) is equivalent to the Flash Write Command.
However, the lock bit is automatically set at the end of the Flash write operation. As a lock region
is composed of several pages, the programmer writes to the first pages of the lock region using
Flash write commands and writes to the last page of the lock region using a Flash write and lock
command.
The Flash command Erase Page and Write (EWP) is equivalent to the Flash Write Command.
However, before programming the load buffer, the page is erased.
The Flash command Erase Page and Write the Lock (EWPL) combines EWP and WPL
commands.
This command is used to erase the Flash memory planes.
All lock regions must be unlocked before the Full Erase command by using the CLB command.
Otherwise, the erase command is aborted and no page is erased.
Table 19-10. Full Erase Command
Lock bits can be set using WPL or EWPL commands. They can also be set by using the Set
Lock command (SLB). With this command, several lock bits can be activated. A Bit Mask is pro-
vided as argument to the command. When bit 0 of the bit mask is set, then the first lock bit is
activated.
Step
5
6
7
...
n
n+1
n+2
n+3
n+4
n+5
...
Step
1
2
Handshake Sequence
Write handshaking
Write handshaking
Write handshaking
...
Write handshaking
Write handshaking
Write handshaking
Write handshaking
Write handshaking
Write handshaking
...
Handshake Sequence
Write handshaking
Write handshaking
Write Command (Continued)
MODE[3:0]
ADDR3
DATA
DATA
...
ADDR0
ADDR1
ADDR2
ADDR3
DATA
DATA
...
MODE[3:0]
CMDE
DATA
DATA[7:0]
Memory Address
Memory Address
Memory Address
Memory Address
*Memory Address++
*Memory Address++
...
Memory Address LSB
*Memory Address++
*Memory Address++
...
SAM3S Preliminary
DATA[15:0] or DATA[7:0]
EA
0
315
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