DESCRIPTION
It continuously displays several of the graphics icons so that the user can easily access a variety of information. The HD66729 has a booster to generate a quintuple LCD drive voltage from a single 1.8-V power supply and voltage-followers to decrease the direct current flow in the LCD drive bleeder resistors. Combining these hardware functions with software functions such as standby and sleep, enables fine power control. The HD66729 is suitable for any portable battery-driven product requiring long-term driving capabilities, including cellular phones, pagers, and electronic wallets. FEATURES
¥ Control and drive of a 105 ´ 68-dot-matrix graphics LCD enabling quintuple power boosting from a single 1.8-V power supply ¥ Partial-display and centering-display modes in which a part of the display area is selected and driven by using a low-duty ratio ¥ Fixed display of several graphics icons (pictograms) at the top of the screen ¥ Low-power operation support: Ñ Vcc = 1.8 to 5.5 V (...