发明授权
US4414545A Memory circuit for generating liquid crystal display characters 失效
用于产生液晶显示字符的存储电路

Memory circuit for generating liquid crystal display characters
摘要:
A liquid crystal display character generator circuit comprises a first RAM for temporarily storing information to be displayed on a liquid crystal display unit, a ROM for storing standard character patterns corresponding to the information to be displayed, a second RAM operable to store special character patterns corresponding to the information to be displayed, and a data selector for enabling the designation of an address in one of the ROM and the second RAM in accordance with the information stored in the first RAM.
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