Clock detection |
Oscillator fail frequency - lower threshold, using untrimmed LPO output |
1.375 |
2.4 |
4.875 |
MHz |
Oscillator fail frequency - higher threshold, using untrimmed LPO output |
22 |
38.4 |
78 |
MHz |
LPO - HF oscillator |
Untrimmed frequency |
5.5 |
9 |
19.5 |
MHz |
Trimmed frequency |
8.0 |
9.6 |
11.0 |
MHz |
Start-up time from STANDBY (LPO BIAS_EN high for at least 900 µs) |
|
|
10 |
µs |
Cold start-up time |
|
|
900 |
µs |
LPO - LF oscillator |
Untrimmed frequency |
36 |
85 |
180 |
kHz |
Start-up time from STANDBY (LPO BIAS_EN high for at least 900 µs) |
|
|
100 |
µs |
Cold start-up time |
|
|
2000 |
µs |