Memory circuit and method for setting an operation mode

Details Memory circuit and method for setting an operation mode Memory circuit and method for setting an operation mode

1994-12-12

1996-08-20

Harrell, Robert B.

Boots, shoes, and leggings

364DIG1, 364DIG2, 364244, 3642441, 3642442, G06F 1200

Patent

active

055487440

ABSTRACT:
In a memory circuit having a memory device operative to read, write and hold data and an operation unit implementing computation between a first datum supplied externally and a second datum read out of the memory device, a selector for selecting one of operational function specification data preset externally and a selector for selecting one of bit write control data present externally are given with select control signals, so that a frame buffer memory operative in read-modify-write mode can be used commonly.

REFERENCES:
patent: 3787817 (1974-01-01), Goldberg
patent: 4096565 (1978-06-01), Ruckdeschel et al.
patent: 4467443 (1984-08-01), Shima

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