67.6.1.2 XIN Clock Characteristics
These characteristics apply only when the Main Oscillator is in Bypass mode (i.e., when MOSCRCEN = 0 and MOSCXTBY = 1 in CKGR_MOR). Refer to PMC Clock Generator Main Oscillator Register.
| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| 1/(tCPXIN) | XIN Clock Frequency | – | – | – | 50 | MHz |
| tCPXIN | XIN Clock Period | – | 20 | – | – | ns |
| tCHXIN | XIN Clock High Half-period | – | 0.4 x tCPXIN | – | 0.6 x tCPXIN | ns |
| tCLXIN | XIN Clock Low Half-period | – | 0.4 x tCPXIN | – | 0.6 x tCPXIN | ns |
| CIN | XIN Input Capacitance | – | – | – | 25 | pF |
| RIN | XIN Pull-down Resistor | – | – | – | 500 | kΩ |
| VIL_XIN | XIN Low-level Input Voltage | – | – | – | 0.3 x VDDOSC | V |
| VIH_XIN | XIN High-level Input Voltage | – | 0.7 x VDDOSC | – | – | V |