https://devzone.nordicsemi.com/f/nordic-q-a/644/nrf24l01-mistake-in-specificationHello, I think there&#39;s a mistake in page 35 of the specification, it says that if Auto Retransmit is disabled (that meaning Auto Retransmit Count = 0 in SETUP_RETR register) then it doesn&#39;t even goes to Rx mode to wait for ACK, it&#39;s not true as I&#39;ve succesfullyen-USTelligent Community 13Thu, 09 Jan 2014 13:46:10 GMThttps://devzone.nordicsemi.com/thread/3294?ContentTypeID=1Thu, 09 Jan 2014 13:46:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4f7d41a4-0811-4f26-92a4-84030ba91cf8Kenneth<p>I agree with you, there is an error in the flowchart.</p> <p>For (legacy) ShockBurst operation the auto acknowledgement (EN_AA) should be disabled as explained in Appendix B in the product specification (this is not shown in the flowchart). Alternatively for Enhanced ShockBurst mode the W_TX_PAYLOAD_NOACK can be used, however this will include a 9bit packet control field which is not compatible with (legacy) ShockBurst.</p><div style="clear:both;"></div>