ET6218R中文资料35 LED Matrix 7 Key数据手册ETEK规格书

描述 Description

ET6218R is an LED Controller driver on a 1/7 to 1/8 duty factor, 7 segment output lines, 4 grid output lines, 1 segment/grid output lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip microcomputer. Serial data is fed to ET6218R via a three-line serial interface. ET6218R pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages.

特性 Features

• CMOS Technology

• Low Power Consumption

• Multiple Display Modes (8Segs × 4Grids or 5Segs × 7Grids)

• Support 7 Key scanning (7×1 Matrix)

• 8-step Dimming Circuitry

• 3-Serial Interface for Clock, Data Input/Output, Strobe Pins

• Package:DIP18

应用 Application

• Household appliances, Toy display
• Smart portable devices, Smart audio