... important piece of information about the system and should be kept up-to-date and as part of the permanent records associated with the project Figure 5-2 Memory map for the Arcom board For each new ... processor's "address book. " Just as you maintain a list of names and addresses in your personal life, you must maintain a similar list for the processor The memory map contains one entry for each of the ... the outside world (I/O) or perform a specific hardware function For example, two of the most common peripherals in embedded systems are serial ports and timers The former is an I/O device, and...