● Outline

This is LCD segment driver for 126 to 140 segment type display. There is a lineup which is suitable for

multi function display and is integrated display RAM and power supply circuit for LCD driving with 4

common output type: BU9728AKV and BU9795AKV/FV/GUW.

BU9728AKV 128Segment (SEG32×COM4) Driver

● Feature (BU9728AKV)

1) 4wire serial interface (SCK, SD, C/D, CS)

2) Integrated RAM for display data (DDRAM) : 32 × 4bit (Max 128 Segment)

3) LCD driving port: 4 Common output, 32 Segment output

4) Display duty: 1/4 duty

5) Integrated Oscillator circuit (external resister type)

6) Integrated Power supply circuit for LCD driving (1/3 bias)

7) Low voltage / low power consumption design: +2.5～5.5V

● Uses (BU9728AKV)

DVC, Car audio, Telephone

BU9728屬于集成電路（IC） > 顯示驅(qū)動器。羅姆半導體集團制造生產(chǎn)的BU9728顯示驅(qū)動器顯示驅(qū)動器是一種集成電路 (IC)，可在微處理器 (MPU)、微控制器 (MCU) 或其他電路系統(tǒng)之間提供轉(zhuǎn)換、接口和控制，用于 LCD、LED、OLED、DLP、真空熒光和 AMOLED 等顯示器?？赡艿耐ㄐ沤涌诤蛥f(xié)議包括模擬、BCD、I2C、并行、串行、SMBus、SPI 和 QSPI。