SAM3N0A Atmel Corporation, SAM3N0A Datasheet - Page 298
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SAM3N0A
Manufacturer Part Number
SAM3N0A
Description
Manufacturer
Atmel Corporation
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19.2.5.2
298
SAM3N
Flash Write Command
Table 19-7.
This command is used to write the Flash contents.
The Flash memory plane is organized into several pages. Data to be written are stored in a load
buffer that corresponds to a Flash memory page. The load buffer is automatically flushed to the
Flash:
The Write Page command (WP) is optimized for consecutive writes. Write handshaking can be
chained; an internal address buffer is automatically increased.
Table 19-8.
Table 19-9.
Step
n+1
n+2
n+3
n+4
n+5
...
Step
1
2
3
4
5
...
n
n+1
n+2
n+3
...
Step
1
2
3
4
• before access to any page other than the current one
• when a new command is validated (MODE = CMDE)
Handshake Sequence
Write handshaking
Write handshaking
Write handshaking
Read handshaking
Read handshaking
...
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 handshaking
Write handshaking
Read Command (Continued)
Write Command
Write Command
MODE[3:0]
CMDE
ADDR0
ADDR1
DATA
DATA
...
ADDR0
ADDR1
DATA
DATA
...
MODE[3:0]
ADDR0
MODE[3:0]
ADDR1
ADDR2
ADDR3
DATA
DATA
...
CMDE
ADDR1
ADDR2
DATA[15:0]
WP or WPL or EWP or EWPL
Memory Address LSB
Memory Address
*Memory Address++
*Memory Address++
...
Memory Address LSB
Memory Address
*Memory Address++
*Memory Address++
...
DATA[7:0]
WP or WPL or EWP or EWPL
Memory Address LSB
Memory Address
Memory Address
DATA[7:0]
Memory Address
Memory Address
Memory Address
*Memory Address++
*Memory Address++
...
11011A–ATARM–04-Oct-10
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