Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
426
The Memory Write command (WRAM) is optimized for consecutive writes. Write handshaking can be chained; an
internal address buffer is automatically increased.
internal address buffer is automatically increased.
22.3.5.8 Get Version Command
The Get Version (GVE) command retrieves the version of the FFPI interface.
Figure 22-6.
Serial Programing
Table 22-14.
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 22-15.
Get Version Command
Step
Handshake Sequence
MODE[3:0]
DATA[15:0]
1
Write handshaking
CMDE
GVE
2
Read handshaking
DATA
Version
TDI
TDO
TMS
TCK
XIN
TST
VDDIO
PGMEN0
PGMEN1
0-50MHz
VDDIO
VDDCORE
VDDIO
VDDPLL
VDDFLASH
GND
VDDIO