ur7hcpxz-p440 Semtech Corporation, ur7hcpxz-p440 Datasheet
ur7hcpxz-p440
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ur7hcpxz-p440 Summary of contents
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... DRVZ VREF _RESET VSS2 VDD UR7HCPXZ-P440 Advanced “Click-to-Select” PS/2 Force Stick Controller FAMILY • Can utilize standard mouse drivers • Inexpensive, simple and real estate-saving implementation with USAR’s proprietary signal conditioning circuit • Offers “Clean Stop” so cursor stops when you want it to • ...
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... Plastic LQFP 0 Optional for customization codes LEFT, MIDDLE, RIGHT & SCROLL BUTTONS Switch Interface X Input Y Input Control PixiPoint TM 16-bit Timer Oscillator Circuit -20°C to +85°C UR7HCPXZ-P440-FA 3 X/Y/Z Channel Activation Control 3 Analog Signal Input Signal Conditioning Control 5 Power Strobe Z Interface OSCIN-OSCOUT 2 www.semtech.com ...
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... FUNCTIONAL DESCRIPTION The UR7HCPXZ-P440 consists functionally of five major sections (see Functional Diagram, previous page). These are the PixiPoint TM Z Interface, the 16-Bit Timer, the Oscillator Circuit, the PS/2 Communication Port and the 8042 Emulation Port. All sections communicate with each other and operate concurrently ...
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... PixiPoint TM Z has responded or until 25 milliseconds have elapsed. EXTERNAL PS/2 PORT The UR7HCPXZ-P440 offers an external PS/2 mouse port. Data from this port is seamlessly merged with data from the internal pointing device. External devices, including those utilizing a MouseWheel, can be hot-plug connected. ERROR HANDLING For every correct command or parameter received from the host, the UR7HCPXZ-P440 sends an Acknowledge (FAh) ...
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PS/2 DATA FORMAT The following table shows the data report format. Each of the two position values (X and Y) is expressed as a 9-bit Two’s Complement integer with the most significant bit (the sign bit) stored separately in Byte ...
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... PS/2 MODE COMMANDS When the Reset Command (FFh) is received, the UR7HCPXZ-P440 sets the following default parameters: Incremental Stream Mode, 1:1 scaling, report rate of 100 Hz, and disabled. It then sends AAh to the host followed by a device ID of 00h. The host sends the Resend Last Data Stream Command (FEh) when it detects an error in any UR7HCPXZ-P440 transmission ...
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... BIOS performs error detection. Thus, a programmer can have complete control of the mouse without having to access the device hardware port directly. The UR7HCPXZ-P440 implements a special sequential command that can be used to determine its ability to report three buttons. The sequential command is a series of commands to the PixiPoint device to respond to the last command (Read Status) with alternate information ...
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... SUGGESTED INTERFACING FOR THE PIXIPOINT Copyright Semtech 2000-2001 DOC7-PXZ-P440-DS-111 TM Z UR7HCPXZ-P440-FG 8 www.semtech.com ...
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... Supply Voltage Vdd Input Voltage Vin Current Drain per Pin I (not including Vss or Vdd) Operating Temperature Ta UR7HCPXZ-P440 Storage Temperature Range Tstg DC Electrical Characteristics, Temperature range=T low to T high unless otherwise noted) Characteristic Symbol Supply Voltage Output Voltage (10 A load) Voh Vol ...
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... MECHANICALS FOR THE UR7HCPXZ-P440- Detail Recommended PCB Footprint Copyright Semtech 2000-2001 DOC7-PXZ-P440-DS-111 Symbol Dimension in Millimeters Min ...
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Copyright Semtech 2000-2001 DOC7-PXZ-P440-DS-111 This Page Left Intentionally Blank 11 www.semtech.com ...
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... Telefax Central European Sales Office +49 (0)8161 140 123 Telephone +49 (0)8161 140 124 Telefax Copyright 2000-2001 Semtech Corporation. All rights reserved. MouseCoder, PixiPoint, and No-Drift are trademarks of Semtech Corporation. Semtech is a registered trademark of Semtech Company. All other trademarks belong to their respective companies ...