7.9.2.5 OSC20 Calibration Byte

Name: OSCCAL20M0
Offset: 0x1A
Reset: [Factory oscillator calibration value]
Property: -

Bit 76543210 
  OSCCAL20M[6:0] 
Access RRRRRRR 
Reset xxxxxxx 

Bits 6:0 – OSCCAL20M[6:0] OSC20 Calibration

These bits contain factory calibration values for the internal 20 MHz oscillator. If the OSCCFG fuse is configured to run the device at 20 MHz, this byte is automatically written into the OSC20MCALIBA register during Reset to ensure correct frequency of the calibrated RC Oscillator.