PCA8546ATT数据手册恩XP中文资料规格书

描述 Description

The PCA8546 is a peripheral device which generates the drive signals for any multiplexedLCD containing up to four backplanes, and up to 176 elements. The PCA8546 iscompatible with most microcontrollers and communicates via the two-line bidirectionalI²C-bus (PCA8546A) or a three line unidirectional SPI-bus (PCA8546B). Communicationoverheads are minimized using a display RAM with auto-incremented addressing.

特性 Features

AEC-Q100 grade 3 compliant for automotive applications
Single-chip 176 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 9 V
LCD and logic supplies may be separated
Low power consumption
Four backplanes and selectable display bias configuration
On-chip RAM for display data storage
400 kHz I²C-bus interface (PCA8546A)
5 MHz SPI-bus interface (PCA8546B)
Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of about10 Hz; factory calibrated
176 segments driven allowing:up to 22 7-segment alphanumeric characters
up to 11 14-segment alphanumeric characters
any graphics of up to 176 elements
Manufactured in silicon gate CMOS process
Extended operating temperature range up to 95 °C

应用 Application

Climate control
Car radio
Dashboard display