SAM3SD8B Atmel Corporation, SAM3SD8B Datasheet - Page 321

• Manufacturer Part Number: SAM3SD8B
• Manufacturer: Atmel Corporation

19.3.4.1
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
Write Handshaking
For details on the write handshaking sequence, refer to
Figure 19-2. Parallel Programming Timing, Write Sequence
Table 19-4.
Step
1
2
3
4
5
6
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Releases MODE and DATA signals
Sets NCMD signal
Waits for RDY high
DATA[15:0]
MODE[3:0]
NVALID
NCMD
Write Handshake
NOE
RDY
1
2
3
Device Action
Waits for NCMD low
Latches MODE and DATA
Clears RDY signal
Executes command and polls NCMD high
Executes command and polls NCMD high
Sets RDY
4
Figure 19-2
5
and
SAM3S8/SD8
SAM3S8/SD8
Table
19-4.
Data I/O
Input
Input
Input
Input
Input
Input
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