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PDF 82M98A Data sheet ( Hoja de datos )
| Número de pieza | 82M98A | |
| Descripción | 3D USB+PS2 Mouse | |
| Fabricantes | Holtek Semiconductor Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 82M98A (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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HT82M98A
3D USB+PS2 Mouse
Features
· Complete Universal Serial Bus specs V1.0
compatibility
· Serial Bus Interface Engine (SIE)
· USB transceiver
· Microsoft 3D Intelli mouse and IBM PS/2
mouse compatible
· Supports three buttons (R, M, L) and three
axes (X, Y, Z) input
· Z axis can support two kinds of scroller in-
put (optomechanical and mechanical)
General Description
HT82M98A is a 3D mouse controller especially
designed for USB and PS/2 applications. The
HT82M98A can support the USB Standard Re-
quest as well as HID Class Request version 1.0
draft 4. It is compatible with Microsoft Intelli
3D PS/2 mouse. The X/Y axis photo input with
built-in Holtek¢s special dynamic photo-input
resistor and Z axis can support two kinds of
· Single chip solution especially for USB
mouse function
· Halt function and wake-up feature reduce
power consumption
· Plug and Play functions
· Minimal external components
· 6MHz crystal oscillator for system clock
· 18-pin DIP package
scroller input, namely; optomechanical and
mechanical. It requires minimal external com-
ponents to implement 3D USB plus PS/2
mouse. It can be briefly described as a Holtek
8-bit mC with an on-chip USB interface logic.
The USB is specified by the Universal Serial
Bus Specification V1.0.
1 June 14, 2000
1 page  
HT82M98A
A.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
VDD
Conditions
fSYS System Clock (Crystal OSC) 5V
¾
Min. Typ. Max. Unit
0 6000 ¾ kHz
tWDTosc Watchdog Oscillator
¾
¾
80 100 120 ms
tWDT
Watchdog Time-out Period
(RC OSC)
¾
¾
768 1024 1280 ms
tPWRT Power-up Timer Period
¾
¾
¾ 10 ¾ ms
tOST
Oscillation Start-up Timer
Period
¾
Power-up or wake-up
form HALT
¾
1024 ¾
tSYS
Note: tSYS=1/fSYS
5 June 14, 2000
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 82M98A.PDF ] | |
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