49
32099DS–06/2010
AT32UC3L016/32/64
7.7.4
120MHz RC Oscillator (RC120M) Characteristics
7.7.5
32kHz RC Oscillator (RC32K) Characteristics
7.7.6
System RC Oscillator (RCSYS) Characteristics
7.8
Flash Characteristics
gives the device maximum operating frequency depending on the number of flash
wait states and the flash read mode. The FSW bit in the FLASHCDW FSR register controls the
number of wait states used when accessing the flash memory.
Table 7-15.
Internal 120MHz RC Oscillator Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
f
OUT
Output frequency
T = 25
°
C, V
VDDCORE
= 1.8V
88
120
152
MHz
Temperature drift
+/-5
%
Duty
Duty cycle
40
50
60
%
Table 7-16.
32kHz RC Oscillator Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
f
OUT
Output frequency
T = 25
°
C, V
VDDIO
= 3.3V
20
32
44
kHz
Table 7-17.
System RC Oscillator Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
f
OUT
Output frequency
Calibrated at 85
°
C
115
kHz
Table 7-18.
Maximum Operating Frequency
Flash Wait States
Read Mode
Maximum Operating Frequency
1
High speed read mode
50MHz
0
25MHz
1
Normal read mode
30MHz
0
15MHz
Table 7-19.
Flash Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
T
FPP
Page programming time
f
CLK_HSB
= 50MHz
5
ms
T
FPE
Page erase time
5
T
FFP
Fuse programming time
1
T
FEA
Full chip erase time (EA)
5
T
FCE
JTAG chip erase time (CHIP_ERASE)
f
CLK_HSB
= 115kHz
300
