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s110
bluetooth low energy
keil
nrf51822
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can i dont use any external crystal on nrf51422?
navid
over 9 years ago
i want my PCB be small . can i use internal Crystal and get rid of external crystal?
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RK
over 9 years ago
+2
verified
There is no internal crystal, there's an internal RC oscillator. You can get rid of the 32.768kHz crystal but you need the 16MHz crystal, it's required for the radio for a start.
MartinBL
over 9 years ago
+2
The external high frequency crystal (XOSC) is required if you are going to use the radio or when you are doing calibration of the internal low frequency 32 kHz RC oscillator (RCOSC). BLE and other radio…
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