Multi-function LCD Segment Drivers
LCD Segment Drivers
Multi-function LCD Segment Drivers
BU97530KVT
MAX 445 Segment(89segx5COM)
General Description
The...
Description
LCD Segment Drivers
Multi-function LCD Segment Drivers
BU97530KVT
MAX 445 Segment(89segx5COM)
General Description
The BU97530KVT is 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 BU97530KVT can drive up to 445 LCD Segments directly. The BU97530KVT 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 wring.
Features
Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)
Either 1/5, 1/4, 1/3 or 1/1 duty (static) can be selected with the serial control data. 1/5 duty drive: Up to 445 segments can be driven 1/4 duty drive: Up to 360 segments can be driven 1/3 duty drive: Up to 270 segments can be driven 1/1 duty drive: Up to 90 segments can be driven
Serial data control of frame frequency for common and segment ou...
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