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VT5363
Single-chip USB/PS2 optical mouse
Preliminary Data
Features
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Applications
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Single chip design with minimal support circuitry USB and PS2 operation Single +5 V supply No mechanical moving parts required 800 cpi resolution (400 cpi selectable) 9600 frames per second Tracking at up to 40 ips Up to 5 switch inputs and scroll wheel Possible customizing for VID, PID and descriptor string with external EEPROM Proven, high volume package technology
Optical USB/PS2 mouse for desktop PC, workstation and laptop
Technical specifications
Resolution Pixel size Array size Frame rate High Speed Motion Detector Clock Supply voltage 800 CPI (400 selectable) 30.4 µm 20*20 pixels 9600 frames/second Accurate motion up to 40 ips 6 MHz resonator 5V direct from USB or PS2 port 15mA (typ.) (excludes LED) [0: 60] °C 7*7mm 32 lead LOQFP(1)
Description
The VT5363 optical tracking sensor is a complete solid state tracking engine with no moving parts. This single chip optical mouse sensor provides excellent control and precision and works on a wide range of surfaces. The VT5363 supports 2, 3 or 5 button mouse designs with a mechanical scroll wheel encoder. It contains a dual USB/PS2 interface with automatic interface selection and may be powered directly from the USB or PS2 port. A single 6MHz resonator provides all the clock requirements and a minimum of additional passive components are required. An external EEPROM may be used to implement customer specific USB configurations (PID, VID and descriptor string). A specifically designed optical system with integrated light guide and lens is available. This has been optimized for low cost, space saving and ease of mouse manufacture. No kapton tape is required in the assembly process.
Supply current Operating temperature Package type
1. LOQFP: Low profile Optical Quad Flat Pack
Order codes
Part Number
VT5363V032
Description
USB/PS2 optical mouse sensor
April 2006
Rev 2
1/25
www.st.com
1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Contents
VT5363
Contents
1 2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Design notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Reference schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Bill of materials - BOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Scroll wheel . . . . . . . . .