 said first charge pump is disabled and said second charge pump is enabled; and  when said control circuit is placed in a fourth state, said first charge pump is disabled, the pump-voltage output of said first charge pump is grounded, and said second charge pump is enabled.  0. The programmable gate array of claim 0 wherein:  when said control circuit is placed in a fifth state, said first charge pump is disabled, the pump-voltage output of said first charge pump is grounded, said second charge pump is disabled, and the pump-voltage output of said second charge pump is grounded; and  when said control circuit is placed in a sixth state