UPD8279 yog ib qho programmable keyboard thiab tso saib cov khoom siv tawm / tso tawm uas muab rau tus neeg siv lub peev xwm los tso saib cov ntaub ntawv ntawm ntu alphanumeric qhia lossis cov cim yooj yim. Cov zaub RAM chaw nyob.
Cov keyboard interface muab cov teeb liab scanned mus rau 64 qhov tseem ceeb matrix expandable mus rau 128. General sensors lossis strobed keys kuj tseem siv tau. Keystrokes khaws cia rau hauv 8 lub cim FIFO thiab tuaj yeem yog 2 qhov tseem ceeb kaw lossis N qhov tseem ceeb rollover. Keyboard nkag ua rau muaj kev cuam tshuam rau lub processor.
Cim npe nrov: upd8279c-2, Tuam Tshoj upd8279c-2 lwm tus neeg, manufacturers
