Arbitration method for accessing a shared resource

The present invention relates to a method of arbitration of access to a resource (BSH, PPH) shared by several electronic elements (Mi). According to the invention, each element (Mi) is assigned a first count value and a first penalty (MPi), the first count value is decremented in synchronization with a clock signal, and is incremented by an equal value. the first penalty each time the item is selected for an access cycle. When several elements are simultaneously waiting to access the shared resource, an element is selected to access the resource if its first count value is less than or equal to a determined threshold, and is smaller than the first count values ​​of the other elements that have issued an access request.