Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
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Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
380
The Memory Write command (WRAM) is optimized for consecutive writes. Write handshaking can be chained; an
internal address buffer is automatically increased.
21.3.5.8 Get Version Command
The Get Version (GVE) command retrieves the version of the FFPI interface.
Table 21-14.
Write Command
Step
Handshake Sequence
MODE[3:0]
DATA[
15
:0]
1
Write handshaking
CMDE
WRAM
2
Write handshaking
ADDR0
Memory Address LSB
3
Write handshaking
ADDR1
Memory Address
4
Write handshaking
DATA
*Memory Address++
5
Write handshaking
DATA
*Memory Address++
...
...
...
...
n
Write handshaking
ADDR0
Memory Address LSB
n+1
Write handshaking
ADDR1
Memory Address
n+2
Write handshaking
DATA
*Memory Address++
n+3
Write handshaking
DATA
*Memory Address++
...
...
...
...
Table 21-15.
Get Version Command
Step
Handshake Sequence
MODE[3:0]
DATA[
15
:0]
1
Write handshaking
CMDE
GVE
2
Read handshaking
DATA
Version