Hello,TDC7200 could work under 16Mhz, what do you mean about 20Mhz?
Please refer to the below post if it is what you need:
https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/445361/what-will-be-the-peak-frequency-of-valid-start-signal-for…
Other Parts Discussed in Thread: MSP430FR6043 , MSP430FR6047 , TDC7200 , MSP430FR5041 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller…
Other Parts Discussed in Thread: TDC1000 , MSP430FR6043 , TDC7200 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1227431/tdc1000-tdc1000-cannot-extend-the-detection-window-through…