Data is sent or received in 8 bit lengths (DB7-DB0) when DL = 1 Data is sent or received in 4 bit lengths (DB7-DB4) when DL = 0 When the 4 bit length is selected, data must be sent or received twice.
This post shows how to change what the Fn keys do in Windows 11/10. The Fn or the Function key is a meta-modifier key used to activate secondary functions or special features on certain keys. The ...
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