37.8 OSC20M Characteristics Figure 37-61. OSC20M Internal Oscillator: Calibration Stepsize vs. Calibration Value (VDD = 3V) Figure 37-62. OSC20M Internal Oscillator: Frequency vs. Calibration Value (VDD = 3V) Figure 37-63. OSC20M Internal Oscillator: Frequency vs. Temperature Figure 37-64. OSC20M Internal Oscillator: Frequency vs. VDD