#$%^&*AU2015221531A120150924.pdf#####ABSTRACT A neurostimulation system, comprising: electrical terminals configured for being respectively coupled to an array of electrodes configurable sources respectively coupled to the electrical terminals to provide stimulation pulses at the respective electrodes, each of the configurable sources being capable of providing both current-regulated stimulation pulses of a specified and known amperage to or from its respective electrode and voltage regulated stimulation pulses of a specified and known voltage at its respective electrode and control circuitry configured to configure at least some of the sources to provide voltage-regulated pulses and other sources to provide current-regulated pulses.