A circuit and method suspend the operation of a CPU of a microprocessor while a memory control unit (MCU) of the microprocessor performs certain operations for the CPU. The circuit is used to generate two internal clock signals from an external clock signal generated off-chip. The first internal clock...http://www.google.com/patents/US5442775?utm_source=gb-gplus-sharePatent US5442775 - Two clock microprocessor design with stall
