BU9910KV Datasheet - Rohm

BU9910KV Status display LCD driver for PCs with I2C Bus interface

Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Pin name VL3 VL2 VL1 GND COM3 COM2 COM1 COM0 CLK #RES SDA SCL LCDT0 LCDT1 HT0 HT1 DIN0 DIN1 DIN2 DIN3 DIN4 DIN5 DIN6 DIN7 DIN8 DIN9 DIN10 DIN11 DIN12 DIN13 DIN14 DIN15 DIN16 DIN17 DIN18 DIN19 .

BU9910KV Features

* 1) I C Bus interface. 2 2) Drive up to 44 LCD cells. 4 common × 11 segment, 1 / 3 bias, 1 / 4 duty 3) Blink operation for eaeh cell. 4) Support four frame frequencies 256Hz, 128Hz, 64Hz, 32Hz (at fOSC = 32.768kHz) 5) 20 direct drive inputs, which allow the application to drive LCD direct

BU9910KV_Rohm.pdf