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PCF8551ATT/AJ PDF预览

PCF8551ATT/AJ

更新时间: 2024-11-22 02:47:23
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
51页 652K
描述
Universal 36 × 4 LCD segment driver

PCF8551ATT/AJ 数据手册

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PCF8551  
Universal 36 × 4 LCD segment driver  
Rev. 3.1 — 3 May 2021  
Product data sheet  
1 General description  
PCF8551 is an ultra low-power LCD segment driver with 4 backplane- and 36 segment-  
driver outputs, with either an I2C- (PCF8551A) or an SPI-bus (PCF8551B) interface.  
It comprises an internal oscillator, bias generation, instruction decoding, and display  
controller.  
For a selection of NXP LCD segment drivers, see Table 23.  
2 Features and benefits  
Single chip LCD controller and driver with temperature range of -40 °C to 85 °C  
Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing  
Selectable display bias configuration: static, 12, or 13  
Internal LCD bias generation with buffers  
36 segment drives:  
Up to 18 7-segment numeric characters  
Up to 9 14-segment alphanumeric characters  
Any graphics of up to 144 segments/elements  
Auto-incrementing display data and instruction loading  
Versatile blinking modes  
Independent supplies of VLCD and VDD  
Power supply ranges:  
1.8 V to 5.5 V for VLCD  
1.8 V to 5.5 V for VDD  
Ultra low-power consumption  
400 kHz I2C-bus interface (PCF8551A)  
5 MHz SPI-bus interface (PCF8551B)  
Internally generated or externally supplied clock signal  
3 Applications  
Metering equipment  
Consumer healthcare devices  
Battery operated devices  
Measuring equipment  
 
 
 

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