CRT9021B controller equivalent, crt video attributes controller.
o On chip video shift register (28.5 MHz max.) o On chip attributes logic
Reverse video Character blank Character blink Underline Full/half intensity
o Four modes of oper.
The SMC CRT 9021 Video Attributes Controller line, reVerse video character block, and blinking
(VAC) is an n-channel COPLAMOS MOS/LSI device reverse video character block. When used in the serial
containing Graphics logic, attributes logic, data a.
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