BL55072A-R

Belling
BL55072A LCD Segment Driver LCD Driver for 144 Display Units BL55072A General Description The BL55072A is a general LCD driver IC for 144 units LCD panel. It features a wide operating supply voltage range, incorporates simple communication interface with microcomputer and is suitable for multiple application. Features  Single-chip LCD controller/driver  144(36 SEG x 4 COM) Display Units  Ser...
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BL55072A LCD Segment Driver LCD Driver for 144 Display Units BL55072A General Description The BL55072A is a general LCD driver IC for 144 units LCD panel. It features a wide operating supply voltage range, incorporates simple communication interface with microcomputer and is suitable for multiple application. Features  Single-chip LCD controller/driver  144(36 SEG x 4 COM) Display Units  Serial data interface(I2C): SDA, SCL  Integrated Oscillator circuit  Integrated LCD Driver Power Supply Circuit 1/3 or 1/2 Bias, 1/4 Duty On Chip Buffer AMP  Operation voltage: 2.5~5.5V  No External Componet  Low Power Consumption Design  Versatile blinking modes  Excellent EMC immunity  Compatible with general microcomputer  TSSOP48 package Application Power Meter, Gas Meter… Toy, Clock Industrial instrument Pin Description Pin No. 16 15 11 10 12 1-5，18-48 6-9 13 SYMBOL SDA SCL VDD VLCD VSS SEG0-35 COM0-3 TEST1 14 17 OSCIO NC DESCRIPTION Serial data input/output Serial clock input Supply voltage Power supply for LCD driving circuit GND Segment output Common output Input Pin for internal test, connect to VSS External clock input, Must be connected to VSS when use internal oscillation circuit Connect to VDD/GND or Open Shanghai Belling Corp., Ltd 1 / 14 810 YiShan Rd., ShangHai, China. Zip: 200233 Tel: 021-24261000 www.belling.com.cn V1.02 PDF
Документация на BL55072A-R 

BL55072A

Дата модификации: 14.11.2023

Размер: 882.9 Кб

14 стр.

BL55072A LCD Segment Driver 通用 LCD 驱动与控制电路 BL55072A BL55072A 是一款通用型液晶控制和驱动单芯片，具有 4 背极和 36 段极共 144 位元的输出能力，适用于常用低占空比的字符/图形式液晶屏幕，BL55072A 具有 兼容多数微机系统的双向二线式串行总线通讯接口（I2C）。 特点             液晶驱动输出：Common 输出 4 线，Segment 输出 36 线 内置显示寄存器 36*4=144bit 2 线串行接口（SCL，SDA） 内置震荡电路 内置液晶驱动电源电路 1/3 Bias， 1/2 Bias 1/4 Duty 内置 Buffer AMP 不需要外部元件 低功耗设计 内置上电复位电路 搭载闪烁功能 VDD 电压范围 2.5V~5.5V 高抗 EMC 性能 TSSOP48 封装形式 应用领域    电表、水表、汽表、电话、传真机 玩具、闹钟 手持仪表 管脚说明 编号 16 15 11 10 12 1-5，18-48 6-9 13 14 17 名称 SDA SCL VDD VLCD VSS SEG0-35 COM0-3 TEST1 OSCIO NC 定义 二线串行总线数据信号 二线串行总线时钟信号 电源正级 液晶驱动用电压 电源负极 Segment 驱动输出 COM 驱动输出 Test 用输入引脚，通常短接 VSS 外部时钟输入，通常短接 VSS 通常短接 VSS 表1 Shanghai Belling Corp., Ltd 1 / 12 810 YiShan Rd., ShangHai, China. Zip: 200233 Tel: 021-24261000 www.belling.com.cn V1.01 PDF
Документация на BL55072A-R 

通用LCD驱动与控制电路BL55072A

Дата модификации: 20.03.2018

Размер: 689.1 Кб

12 стр.

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