CC2510FX Datasheet, PDF (16/253 Pages) List of Unclassifed Manufacturers – True System-on-Chip with Low Power RF Transceiver and 8051 MCU

CC2510Fx / CC2511Fx
7.6 Low Power RC Oscillator
T_A=25°C, VDD=3.0V if nothing else is stated.
Parameter
Min
Typ
Max Unit
Condition/Note
Calibrated frequency
34.6 34.7
36 kHz
Calibrated RC Oscillator frequency is XTAL
frequency divided by 750
Frequency accuracy after
calibration
+0.3 %
-10
Temperature coefficient
+0.4
% / °C Frequency drift when temperature changes
after calibration
Supply voltage coefficient
+3
%/V
Frequency drift when supply voltage changes
after calibration
Initial calibration time
2
ms
When the RC Oscillator is enabled, calibration
is continuously done in the background as long
as the crystal oscillator is running.
Wake-up period
58µ
59650 Seconds Programmable, dependent on XTAL frequency
Table 12: Low Power RC Oscillator parameters
7.7 High Speed RC Oscillator
T_A=25°C, VDD=3.0V if nothing else is stated.
Parameter
Frequency
Uncalibrated frequency
accuracy
Calibrated frequency
accuracy
Start-up time
Temperature coefficient
Supply voltage coefficient
Initial calibration time
Min
Typ
Max Unit
13
MHz
±15
%
Condition/Note
Calibrated High Speed RC Oscillator
frequency is XTAL frequency multiplied by 1/2
±1 %
10 µs
-325 ppm / °C Frequency drift when temperature changes
after calibration
28 ppm / V Frequency drift when supply voltage changes
after calibration
50
µs
When the High Speed RC Oscillator is
enabled, calibration is continuously done in the
background as long as the crystal oscillator is
running.
Table 13: High Speed RC Oscillator parameters
CC2510Fx/CC2511Fx PRELIMINARY Data Sheet (Rev. 1.2) SWRS055A Page 16 of 252