ATSAM3303 Atmel, ATSAM3303 Datasheet - Page 19

• Manufacturer Part Number: ATSAM3303
• Manufacturer: Atmel

Specifications of ATSAM3303

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

Table 9-4.
Notes:
Table 9-5.
6091C–DRMSD–21-Apr-06
Symbol
t
t
t
t
t
t
Symbol
t
t
t
t
t
RC
CSOE
POE
ACE
OE
DF
WC
CSWE
WP
DW
DH
1. A built-in PLL multiplies the crystal clock frequency by 4 for internal use. p
2. Memory access time should be lower than t
PLL. p
External Memory Parameters
External Flash Timing Parameters
Parameter
Write cycle time
Write enable low from CS or Address or WOE
Write pulse width
Data out setup time
Data out hold time
Parameter
Read cycle time
Chip select low/address valid to WOE low
Output enable pulse width
Chip select/address access time
Output enable access time
Chip select or WOE high to input data Hi-Z
LCK
= t
CK
/4. Typical value with crystal 12.288 MHz is p
Figure 9-9.
WD0 - WD15
WA0 - WA21
WCS0
WCS1
WWE
WOE
External RAM/Flash Write Timing
ACE
min. Typical value with crystal 12.288 MHz is 90 ns.
t
LCK
CSWE
2 * p
5 * p
3 * p
= 20 ns.
2 * p
4 * p
5 * p
5 * p
Min
Min
LCK
LCK
LCK
0
LCK
LCK
-
10
-
LCK
LCK
- 5
- 5
- 5
- 10
- 10
t
LCK
WC
is the period of the internal clock generated by
t
WP
3 * p
Typ
4 * p
t
-
-
-
-
-
DW
LCK
Typ
-
-
-
-
LCK
3 * p
2 * p
t
DH
6 * p
ATSAM3303
Max
LCK
LCK
6 * p
-
-
-
LCK
Max
+ 5
-
-
-
-
- 5
LCK
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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