Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
1148
42023E–SAM–07/2013
ATSAM4L8/L4/L2
42.7.9
80MHz RC Oscillator (RC80M) Characteristics
42.8
Flash Characteristics
gives the device maximum operating frequency depending on the number of flash
wait states and the flash read mode. The FWS bit in the FLASHCALW FCR register controls the
number of wait states used when accessing the flash memory.
number of wait states used when accessing the flash memory.
Table 42-32. Internal 80MHz RC Oscillator Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
f
OUT
Output frequency
(1)
1.
These values are based on characterization. These values are not covered by test limits in production.
After calibration
Note that RC80M is not available in PS1
60
80
100
MHz
I
RC80M
Current consumption
(2)
2.
These values are based on simulation. These values are not covered by test limits in production or characterization.
330
µA
t
STARTUP
Startup time
0.57
1.72
3.2
µs
Duty
45
50
55
%
Table 42-33. Maximum Operating Frequency
(1)
PowerScaling Mode
Flash Read Mode
Flash Wait
States
Maximum Operating
Frequency
Unit
0
Low power (HSDIS) +
Flash internal reference:
BPM.PMCON.FASTWKUP=1
1
12
MHz
Low power(HSDIS)
0
18
1
36
1
Low power (HSDIS) +
Flash internal reference:
BPM.PMCON.FASTWKUP=1
1
12
Low power (HSDIS)
0
8
1
12
2
High speed (HSEN)
0
24
1
48
1.
These values are based on simulation. These values are not covered by test limits in production or characterization.
Table 42-34. Flash Characteristics
(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
FPP
Page programming time
f
CLK_AHB
= 48MHz
4.38
ms
t
FPE
Page erase time
4.38
t
FFP
Fuse programming time
0.63
t
FEA
Full chip erase time (EA)
5.66
t
FCE
JTAG chip erase time (CHIP_ERASE)
f
CLK_AHB
= 115kHz
304