Datasheet

48
AT32UC3A
12.7.2 Main Oscillators Characteristics
12.7.3 PLL Characteristics
Table 12-15. Main Oscillator Characteristics
Symbol Parameter Conditions Min Typ Max Unit
1/(t
CPMAIN
) Crystal Oscillator Frequency 0.45 16 MHz
C
L1
, C
L2
Internal Load Capacitance
(C
L1
= C
L2
)
12 pF
Duty Cycle 40 50 60 %
t
ST
Startup Time TBD ms
1/(t
CPXIN
) XIN Clock Frequency
External clock 50 MHz
Crystal 0.45 16 MHz
t
CHXIN
XIN Clock High Half-period
0.4 x
t
CPXIN
0.6 x
t
CPXIN
t
CLXIN
XIN Clock Low Half-period
0.4 x
t
CPXIN
0.6 x
t
CPXIN
C
IN
XIN Input Capacitance 7 pF
Table 12-16. Phase Lock Loop Characteristics
Symbol Parameter Conditions Min Typ Max Unit
F
OUT
Output Frequency 80 240 MHz
F
IN
Input Frequency 4 16 MHz
I
PLL
Current Consumption
active mode (Fout=80Mhz) 250 µA
active mode (Fout=240Mhz) 600 µA µA
32058KS–AVR32–01/12