UT84520 データシートの表示（PDF） - Unisonic Technologies

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UT84520

PS/2 SCROLLING MOUSE CONTROLLER

Unisonic Technologies 

UTC UT84520

(B) Operation:

a. All the commands in legacy mode are still valid.

b. The ID code for Read Device Type command (F2) is changed from “00” to “03”.

c. Data report is changed to four byte format:

CMOS IC

Byte

Bit

Description

1

0 Left button status; 1 = pressed

1 Right button status; 1=pressed

2 Middle button status; 1=pressed

3 Reserve

4 X data sign; 1=negative

5 Y data sign; 1=negative

6 X data overflow; 1=overflow

7 Y data overflow; 1=overflow

2

0-7 X data (D0-D7)

3

0-7 Y data (D0-D7)

4

0-7 Z data (D0-D7)

C) Exit for Microsoft scrolling mode:

There are two ways to exit:

a. Power off

b. Reset command (FF).

(IV). Z-axis Input Function:

(a). Photo couples input: Z-axis counter accumulates the Z1, Z2 phase changed by movement.

(b). Mechanical mode: The same as optical wheel mode.

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.

UTC UNISONIC TECHNOLOGIES CO., LTD. 13

QW-R502-004,A

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