37.8 OSC20M Characteristics Figure 37-69. OSC20M Internal Oscillator: Calibration Stepsize vs. Calibration Value (VDD = 3V) Figure 37-70. OSC20M Internal Oscillator: Frequency vs. Calibration Value (VDD = 3V) Figure 37-71. OSC20M Internal Oscillator: Frequency vs. Temperature Figure 37-72. OSC20M Internal Oscillator: Frequency vs. VDD