... discussed on page 71 12 C FOR THE MICROPROCESSOR ENGINEER Figure 1.5 The structure of a synchronous common-bus microcomputer MAKING THE CONNECTION 13 As all external devices communicate to the ... suitable access time This is especially true for more recent MPUs, which can run at higher clock rates The access time for a memory chip is normally given 14 C FOR THE MICROPROCESSOR ENGINEER ... secondary decoder for simple interface circuitry 18 C FOR THE MICROPROCESSOR ENGINEER References [1] Noyce, R.N and Marcian, E H.; A History of Microprocessor Development at Intel, IEEE Micro,...