In order to get 1% accuracy with close loop speed control, the datasheet recommends using external clock reference on EXT_CLK pin. The datasheet also indicates the ext clock frequency can be configured to be 8,16,32,64,128,256,512,1024 KHz using EXT_CLK_CONFIG. Is the value 32K really means 32000 Hz or could it be 32.768 KHz derived from standard tuning-fork crystal often referred to as 32 KHz?
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