3.1.3 Low-Frequency Crystal Oscillator

A clarification has been made to Table 9-9 Start-Up Times for the Low-Frequency Crystal Oscillator Clock Selection - SUT Fuses, where 14 CK in the column Additional Delay from Reset (VCC = 5.0V) has been replaced by 19 CK. Functional changes are shown in bold.

Table 9-9. Start-Up Times for the Low-Frequency Crystal Oscillator Clock Selection - SUT Fuses

SUT[1:0] Additional Delay from Reset (VCC = 5.0V)Recommended Usage
0019 CKFast rising power or BOD enabled
0119 CK + 4.1 msSlowly rising power
1019 CK + 65 msStable frequency at start-up
11Reserved