SAM7S256_14 Datasheet, PDF (567/775 Pages) ATMEL Corporation – ARM-based Flash MCU

37.4 Crystal Oscillators Characteristics
37.4.1 RC Oscillator Characteristics
Table 37-9.
Symbol
1/(t_CPRC)
t_ST
I_OSC
RC Oscillator Characteristics
Parameter
RC Oscillator Frequency
Duty Cycle
Startup Time
Current Consumption
Conditions
V_DDPLL = 1.65V
V_DDPLL = 1.65V
After Startup Time
Min
Typ
Max
Unit
22
32
42
kHz
45
50
55
%
75
µs
1.9
µA
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
567