MC6829 Datasheet (Motorola) - MEMORY MANAGEMENT UNIT

MC6829, MEMORY MANAGEMENT UNIT

@ MOTOROLA MC6829 Advance Infor:rnation MEMORY MANAGEMENT UNIT The principle function of the MC6829 Memory Management Unit (MMUI is to expand the address space of the MC6809 from 64K bytes to a maximum of 2 Megabytes.

Each MMU is capable of handling four different concurrent tasks including DMA.

The MMU can also protect the address space of one task from modification by another task.

Memory address space expansion is accomplished by applying the upper five address lines of the processor (A 11