ADNS-5070 datasheet(2/41 Pages) AVAGO

tên linh kiện	ADNS-5070

Giải thích chi tiết về linh kiện	Built-in LED driver for simpler circuitry

PDF	41 Pages

Scroll/Zoom	100%

nhà sản xuất	AVAGO [AVAGO TECHNOLOGIES LIMITED]

Trang chủ	http://www.avagotech.com

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Theory of Operation

The ADNS-5070 is based on Optical Navigation Technol-

ogy, which measures changes in position by optically

acquiring sequential surface images (frames) and math-

ematically determining the direction and magnitude of

movement.

TheADNS-5070containsanImageAcquisitionSystem(IAS),

a Digital Signal Processor (DSP), and a two wire serial port.

The IAS acquires microscopic surface images via the lens

and illumination system. These images are processed

by the DSP to determine the direction and distance of

motion. The DSP calculates the

Δx and Δy relative dis-

placement values.

An external microcontroller reads the

Δx and Δy informa-

tion from the sensor serial port. The microcontroller then

translates the data into PS2 or USB signals before sending

them to the host PC.

Pinout of ADNS-5070 Optical Mouse Sensor

Name

Description

I/O type

No Connect

SDIO

Serial Port Data

I/O

SCLK

Serial Port Clock

LED_CNTL

Digital Shutter Signal Out

GND

System Ground

Ground

VDD5

5V DC Input

Power

REFA

Internal Reference

Figure 1. Package outline drawing (top view)

LED_CNTL

GND

VDD5

REFA

SCLK

SDIO

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