NJU6677

Note 1) If the LSI are used on condition above the absolute maximum ratings, the LSI may be destroyed. Using the LSI within electrical characteristics is strongly recommended for normal operation. Use beyond the electric characteristics conditions will cause malfunction and poor reliability.
Note 2) All voltage values are specified as V VSS SS=0 V.
=Note 3) The relation : V VDD DD > V V1 > V V2 > V V3 > V V4 > V V5 ; V VDD DD > V VSS SS > V VOUT OUT must be maintained.
Note 4) Decoupling capacitor should be connected between V VDD DD and V VSS SS due to the stabilized operation for the voltage converter.

The NJU6677 is a bit map LCD driver to display graphics or charac- characters.NJU6677 contains 15,840 bits display data RAM, microprocessor inter- ters. interface circuits, instruction decoder, 132-segment and 88-common driv- face drivers. ers. The bit image display data is transferred to the display data RAM by serial or 8-bit parallel interface.

The NJU6677 displays 88 x 132 dots graphics or 8-character 5-line by 16 x 16 dots character. NJU6677 oscillates by built-in OSC circuit without any external components. Furthermore, the NJU6677 features Partial Display Function which creates up to 2 blocks of active display area and optimizes duty cycle ratio. This function sets optimum boosted voltage by the combination with both of programmable 5-time voltage booster circuit and 201- step electrical variable resistor. As result, it reduces the operating cur- current. rent.

The operating voltage of NJU6677 from 2.4V to 3.6V and low operating current are useful for small size battery operating items.