SAM3N0C Atmel Corporation, SAM3N0C Datasheet - Page 296

• Manufacturer Part Number: SAM3N0C
• Manufacturer: Atmel Corporation

Table 19-5.
296
Step
1
2
3
4
5
6
7
8
9
10
11
12
13
SAM3N
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Sets DATA signal in tristate
Clears NOE signal
Waits for NVALID low
Reads value on DATA Bus
Sets NOE signal
Waits for NVALID high
Sets DATA in output mode
Sets NCMD signal
Waits for RDY high
Read Handshake
Figure 19-6.
MODE[3:0]
DATA[15:0]
NVALID
NCMD
SAM3NxA (48 pins) Parallel Programming Timing, Read Sequence
NOE
RDY
1
Waits for NCMD low
Latch MODE and DATA
Clears RDY signal
Sets DATA bus in output mode and outputs
the flash contents.
Clears NVALID signal
Waits for NOE high
Sets NVALID signal
Waits for NCMD high
Sets RDY signal
Device Action
Waits for NOE Low
Sets DATA bus in input mode
2
Adress IN
ADDR
3
4
5
Z
6
7
Data OUT
8
9
DATA I/O
Input
Input
Input
Input
Tristate
Output
Output
Output
Output
X
Input
Input
Input
10
11
X
12
11011A–ATARM–04-Oct-10
13
IN