Table 5-6 32-kHz RC Oscillator (RCOSC_LF)
Measured on the Texas Instruments CC1310EM-7XD-7793 reference design with Tc = 25°C, VDDS = 3.0 V, unless otherwise noted.
|
MIN |
TYP |
MAX |
UNIT |
Calibrated frequency(1) |
|
32.768 |
|
kHz |
Temperature coefficient |
|
50 |
|
ppm/°C |
(1) The frequency accuracy of the Real Time Clock (RTC) is not directly dependent on the frequency accuracy of the 32-kHz RC Oscillator. The RTC can be calibrated by measuring the frequency error of RCOSC_LF relative to XOSC_HF and compensating for the RTC tick speed.