Datasheet > PCF8545ATT/AJ

PCF8545ATT/AJ

更新时间： 2024-11-10 15:47:35

品牌	Logo	应用领域
恩智浦 - NXP		PC 驱动接口集成电路
页数	文件大小	规格书
72页	618K
描述
PCF8545 - Universal LCD driver for multiplex rates up to 1:8 TSSOP 56-Pin

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PCF8545ATT/AJ 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	TSSOP	包装说明：	,
针数：	56	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	1.7	Is Samacsys：	N
接口集成电路类型：	LIQUID CRYSTAL DISPLAY DRIVER	湿度敏感等级：	1
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

PCF8545ATT/AJ 数据手册

PCF8545

Universal LCD driver for multiplex rates up to 1:8

Rev. 1 — 13 November 2013

Product data sheet

1. General description

The PCF8545 is a peripheral device which interfaces to almost any Liquid Crystal Display

(LCD)¹with low multiplex rates. It generates the drive signals for any multiplexed LCD

containing up to eight backplanes, and up to 320 elements. The PCF8545 is compatible

with most microcontrollers and communicates via the two-line bidirectional I²C-bus

(PCF8545A) or a three line unidirectional SPI-bus (PCF8545B). Communication

overheads are minimized using a display RAM with auto-incremented addressing.

For a selection of NXP LCD segment drivers, see Table 40 on page 61.

2. Features and benefits

 Single-chip 320 elements LCD controller and driver

 Wide range for digital power supply: from 1.8 V to 5.5 V

 LCD supply range from 2.5 V up to 5.5 V

 LCD and logic supplies may be separated

 Low power consumption

 Selectable backplane drive configuration: 4, 6, or 8 backplane multiplexing

 Selectable display bias configuration

 320-bit RAM for display data storage

 400 kHz I²C-bus interface (PCF8545A)

 5 MHz SPI-bus interface (PCF8545B)

 Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of 10 Hz;

factory calibrated

 320 segments driven allowing:

 up to 40 7-segment alphanumeric characters

 up to 20 14-segment alphanumeric characters

 any graphics of up to 320 elements

 Manufactured in silicon gate CMOS process

3. Applications

 Industrial and consumer products

1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 21.

12 3 4 5 6 7...72

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