2.3 Shorter Startup Time

ATtiny102/104 supports two selectable startup time options:
  1. Normal startup time – 64ms.
  2. Shorter startup time – 8ms.
These are not user configurable, but are available on selected CPNs (Customer Part Number). They are available in CPNs starting with ATtiny102F or ATtiny104F.
Table 2-2. Start-Up Times when Using the Internal Calibrated Oscillator with Shorter Start-up Time
ResetOscillatorConfigurationTotal start-up time
8ms6 cycles21 cycles8ms + 6 oscillator cycles + 21 system clock cycles