| Avago ADNS-2610光学鼠标方案 |
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| 作者：未知 来源：Avago 点击数：138 更新时间：2008-6-19 |
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Avago公司的ADNS-2610是新型小尺寸光学鼠标传感器. ADNS-2610是基于光学导航技术,能通过光学不断得到表面图像来测试位置上的变化,并通过计算来确定移动的方向和位移.本文介绍了ADNS-2610光学鼠标传感器的主要性能,方框图以及典型的应用电路图.
ADNS-2610Optical Mouse Sensor
The ADNS-2610 is a new entry level, small form factor optical mouse sensor. It is used to implement a non-mechanical tracking engine for computer mice. Unlike its predecessor, this new optical mouse sensor allows for more compact and affordable optical mice designs.
It is based on optical navigation technology, which mea¬sures changes in position by optically acquiring sequential surface images (frames) and mathematically determining the direction and magnitude of movement.
The sensor is housed in an 8-pin staggered dual inline package (DIP). It is designed for use with the HDNS-2100 Lens, HLMP-ED80-xx000, and the HDNS-2200 LED Clip, providing an optical mouse solution that is compact and affordable. There are no moving parts, so precision opti¬cal alignment is not required, thereby facilitating high volume assembly.
The output format is a two wire serial port. The current X and Y information are available in registers accessed via the serial port.
Resolution is 400 counts per inch (cpi) with rates of motion up to 12 inches per second (ips).
Theory of Operation
The ADNS-2610 is based on Optical Navigation Technol¬ogy. It contains an Image Acquisition System (IAS), a Digital Signal Processor (DSP) and a two wire serial port.
The IAS acquires microscopic surface images via the lens and illumination system provided by the HDNS-2100, HDNS-2200, and HLMP-ED80-xx000. These images are processed by the DSP to determine the direction and distance of motion.
ADNS-2610主要特性:
Precise optical navigation technology
Small form factor (10 mm x 12.5 mm footprint)
No mechanical moving parts
Complete 2D motion sensor
Common interface for general purpose controller
Smooth surface navigation
Accurate motion up to 12 ips
400 cpi resolution
High reliability
High speed motion detector
Wave solderable
Single 5.0 volt power supply
Conforms to USB suspend mode specifications
Power conservation mode during times of no movement
Serial port registers
–Programming– Data transfer
8-pin staggered dual inline package (DIP)
应用:
Mice for desktop PC’s, workstations, and portable PC’s
Trackballs
Integrated input devices
图1.ADNS-2610方框图
图2.ADNS-2610应用电路图[1]
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