Apparatus for multiport memory access control unit with pluralit

Details Apparatus for multiport memory access control unit with pluralit Apparatus for multiport memory access control unit with pluralit

1993-11-24

1996-05-28

Kim, Matthew M.

Boots, shoes, and leggings

395477, 395405, 364DIG1, 364DIG2, 3642419, 3642281, G06F 1202

Patent

active

055220592

ABSTRACT:
A memory access control unit in a data processing apparatus. The memory access control unit includes memory unit has a plurality of memory ports. Each of the memory ports connects to plurality of memory banks. The memory access control unit has a circuit for allocating in advance the memory addresses to be accessed among the corresponding memory ports. By utilizing this circuit, a group of memory bank addresses in a busy state are registered for each memory port of the memory unit, and this group of memory bank addresses in a busy state are compared with the memory addresses to be accessed. As a result of this comparison, it is judged whether or not the memory banks to be accessed are in a busy state.

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