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Crystal Oscillator Clock Selection - SUT Fuses, where 14 CK in the column Additional Delay from Reset (VCC = 5.0V) has been replaced by 19 CK.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
00 19 CK Fast rising power or BOD enabled
01 19 CK + 4.1 ms Slowly rising power
10 19 CK + 65 ms Stable frequency at start-up
11 Reserved