BU97550KV-M

Datasheet LCD Segment Drivers Multi-function LCD Segment Drivers BU97550KV-M MAX 528 Segment(66SEGx8COM) General Description The BU97550KV-M is 1/8, 1/7, 1/5, 1/4, 1/3, or 1/1 duty general-purpose LCD driver that can be used for frequency display in electronic tuners under the control of a microcontroller. The BU97550KV-M can drive up to 528 LCD Segments directly. The BU97550KV-M can also control up to 9 general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring Features  AEC-Q100 Qualified (Note)  Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)  Either 1/8, 1/7, 1/5, 1/4, 1/3 or 1/1 duty (static) can be selected with the serial control data. 1/8 duty drive: Up to 528 segments can be driven 1/7 duty drive: Up to 469 segments can be driven 1/5 duty drive: Up to 345 segments can be driven 1/4 duty drive: Up to 280 segments can be driv...