MAX6951/MAX6950LED显示驱动器与MAXQ20
摘要：本应用笔记说明MAX6951/MAX6950 LED驱动器和MAXQ2000的SPI外设通信的汇编程序设计。 引言MAX6950和MAX6951分别为5位和8位共阴极LED显示驱动器，通过高速SPI 接口控制。这两款器件采用独特的复用结构，大大减少了LED驱动器与LED面板的连线。MAXQ2000是一款高性能、16位RISC微控制器，集成了SPI模块，简化了LED驱动器与微控制器的连接。本应
led
本站整理 . 2009-04-26 710
High-Power White-LED Driver Op
Abstract: A white-LED driver based on a DC-DC step-up converter operates on one or two alkaline cells, and starts with voltages as low as 0.8V. Replacing incandescent bulbs with high-power white LEDs
led
本站整理 . 2009-04-26 455
低功耗的PWM输出控制LED亮度-Low-Power PWM
Abstract: A common brightness-control circuit for LEDs uses an electrically controlled potenTIometer (EPOT) to achieve digital control of the LED brightness. Replacing the EPOT with an RC network, how
led
本站整理 . 2009-04-26 490
具备高温保护功能的白光LED驱动器
摘要：电路驱动一只大功率白光LED (WLED)，当温度过高以及热敏电阻发生开路或短路故障时，将关闭LED。 具备高温保护功能的白光LED驱动器 摘要：电路驱动一只大功率白光LED (WLED)，当温度过高以及热敏电阻发生开路或短路故障时，将关闭LED。 与传统光源相比，大功率LED具有多种优点，因此应用越来越广泛。LED的优点包括更高效率、更长寿命和更加可靠。但是，大功率LED产生的热量也比传统
led
本站整理 . 2009-04-26 470
设计一个基于LED视频显示板-Designing an LE
Abstract: Currently, all of the top LED video-display board manufacturers have similar but proprietary architectures using LED video bricks of different color pixel sizes. Maxim has taken its knowledg
led
本站整理 . 2009-04-26 365
PWM Sets Output of LCD/LED Dri
Abstract: The digital, pulse-width-modulaTIon (PWM) output available from many microprocessors is based on an internal 8- or 16-bit counter and features a programmable duty cycle. It is suitable for a
lcd
本站整理 . 2009-04-26 590
MAX6951/MAX6950 LED显示驱动器与MAXQ2
摘要：本应用笔记说明MAX6951/MAX6950 LED驱动器和MAXQ2000的SPI外设通信的汇编程序设计。 引言MAX6950和MAX6951分别为5位和8位共阴极LED显示驱动器，通过高速SPI 接口控制。这两款器件采用独特的复用结构，大大减少了LED驱动器与LED面板的连线。MAXQ2000是一款高性能、16位RISC微控制器，集成了SPI模块，简化了LED驱动器与微控制器的连接。本应
led
本站整理 . 2009-04-26 520
高功率LED驱动器接受宽输入电压范围-High-Power
Abstract: Circuit based on a buck/boost converter controller regulates current to a white LED, despite an allowed variaTIon of input voltage from 2.7V to 16.5V. The advent of high-power LEDs capable o
led
本站整理 . 2009-04-26 275
MAX6960 Programming Guide for
Abstract: This applicaTIon note details how mulTIple MAX696x 8 x 8 matrix LED drivers can be arranged and programmed to support larger LED displays or dot-matrix elements. This family of drivers suppo
led
本站整理 . 2009-04-26 455
Driving LEDs with Constant Cur
Abstract: This applicaTIon note discusses techniques to drive LEDs with the MAX6956 and MAX6957 I²C and SPI constant current staTIc LED drivers. These techniques can be applied to other I/O expanders
led
本站整理 . 2009-04-23 535
Driving LEDs with Open Drain P
Abstract: This applicaTIon note discusses techniques for driving LEDs with the MAX6964, MAX6965, MAX7313, MAX7314, MAX7315 and MAX7316 I/O expanders (GPIOs). These techniques can be applied to other I
led
本站整理 . 2009-04-23 295
驱动LED与推挽输出端口扩展器-Driving LEDs w
Abstract: This applicaTIon note discusses techniques for driving LEDs, using the MAX7300, MAX7301, MAX7310, MAX7311, and MAX7312 I2C and SPI I/O expanders (GPIOs). These techniques can be applied to o
扩展器
本站整理 . 2009-04-23 715
LED显示屏基本构成
LED显示屏基本构成 为了使系统能显示各种各样的信息，LED显示屏显示系统由上位机、通讯传输线路、LED主控电路和显示模块板等四部份组成（如图1所示）。 这四部分的具体功能描述如下： ⑴上位机：一般为计算机，是信息的发布源，一般与某数据库连接，访问数据库的信息，并按一定的传输协议和方式，与主控电路进行通讯。 ⑵通讯传输线路：可以通过RS232、RS422以及以太网等作为信号传输的方式。还可以采用光
led
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