SAM3N00A Atmel Corporation, SAM3N00A Datasheet - Page 295

• Manufacturer Part Number: SAM3N00A
• Manufacturer: Atmel Corporation

Table 19-4.
19.2.4.2
11011A–ATARM–04-Oct-10
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
Read Handshaking
Write Handshake
Figure 19-4. SAM3NxA (48 pins) Parallel Programming Timing, Write Sequence
For details on the read handshaking sequence, refer
Figure 19-5. SAM3NxB/C (64/100 pins) Parallel Programming Timing, Read Sequence
MODE[3:0]
DATA[7:0]
MODE[3:0]
DATA[15:0]
NVALID
NVALID
NCMD
NCMD
NOE
RDY
NOE
RDY
1
1
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
2
2
Adress IN
ADDR
3
3
4
5
Z
toFigure 19-5 Figure 19-6
6
4
7
Data OUT
8
5
9
Data I/O
Input
Input
Input
Input
Input
Input
10
11
X
12
13
and
IN
SAM3N
Table
19-5.
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