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  Holtek Semiconductor Electronic Components Datasheet  

HT82M25X Datasheet

3/5-Key USB+PS/2 Optical Mouse Controller

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HT82M25X
3/5-Key USB+PS/2 Optical Mouse Controller
Features
· Operating voltage: 4.4V~5.25V
· Compatible with Microsoft Windows 2000 and
5-button Wheel Mouse
· Microsoft 3D Intelli mouse and IBM PS/2 mouse
compatible
· Supports 3/5 buttons and Z-axis input
· Z-axis can support two kinds of scroller input
- optomechanical and mechanical
· 3 key or 5 key mode can be selected by package
· Complete Universal Serial Bus spec. V2.0
compatibility
· Serial Bus Interface Engine (SIE)
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General Description
These devices are Plug and Play Windows 2000 and
5-button 3D USB+PS/2 Mouse controllers. Fully sup-
porting the USB standard request as well as HID Class
Request version 1.1, they are compatible with Microsoft
Intelli 3D or Windows 2000 5 key PS/2 mouse. The
Z-axis can support two kinds of scroller input, both
optomechanical and mechanical. The devices require a
minimum of external components to implement a 3D or
· USB transceiver
· Single chip solution especially for USB mouse
function
· Power down function and wake-up feature reduce
power consumption
· Plug and Play functions
· Minimal external components
· 6MHz crystal system clock oscillator
· Interface compliant with ADNS-5020
· Passed WHQL, USB-IF and EMC testing
· Range of packaging types
Windows 2000 5 key USB plus PS/2 mouse. All of the
device features in combination provide a versatile
Holtek MCU with fully integrated USB interface logic.
The USB is specified by the Universal Serial Bus Speci-
fication V2.0.
The USB vendor ID for the devices is defined as
04D9H, the USB product ID is different for different
packages.
Selection Table
Part No.
HT82M25A
HT82M25A-1
HT82M25B
HT82M25B-1
HT82M25C
HT82M25C-1
Interface
USB and PS/2
USB and PS/2
USB and PS/2
USB and PS/2
USB only
USB only
Mode
Windows 2000
Windows 2000
3D
3D
3D
3D
USB Product ID
1135H
1135H
1133H
1133H
1133H
1133H
Package
20DIP/SOP
20DIP/SOP
18DIP/SOP
18DIP/SOP
18DIP/SOP
18DIP/SOP
Rev. 1.00
1 May 14, 2007


  Holtek Semiconductor Electronic Components Datasheet  

HT82M25X Datasheet

3/5-Key USB+PS/2 Optical Mouse Controller

No Preview Available !

Block Diagram
USBD+
USBD-
V 33O
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O SC1
O SC2
USB
T r a n s c e iv e r
USB
R e c e iv e r
USB
T r a n s m itte r
V o lta g e
R e g u la to r
C lo c k
G e n e ra to r
RC
RESET
HT82M25X
R e g is te r
S et
U S B S e r ia l
In te r fa c e E n g in e
(S IE )
and
C o n tro l
L o g ic
M a in
S ta te m a c h in e
S u s p e n s io n
C o n tro l
H o lte k
8 - b it
M ic r o c o n tr o lle r
F IF O s ´ 2
VDD
VSS
Pin Assignment
VSS
V 33O
U S B D + /C L K
U S B D - /D A T A
RESET
S C L K /Z _ S E L
S D IO
NRESET
D P I_ S E L
RB0
1
2
3
4
5
6
7
8
9
10
20 O S C 1
19 O S C 2
18 V D D
17 LE D
16 M
15 R
14 L
13 Z2
12 Z1
11 R B 1
H T 8 2 M 2 5 A /H T 8 2 M 2 5 A -1
2 0 D IP -A /S O P -A
VSS
V 33O
U S B D + /C L K
U S B D - /D A T A
RESET
S C L K /Z _ S E L
S D IO
NRESET
D P I_ S E L
1
2
3
4
5
6
7
8
9
18 O S C 1
17 O S C 2
16 V D D
15 LE D
14 M
13 R
12 L
11 Z2
10 Z1
H T 8 2 M 2 5 B /H T 8 2 M 2 5 B -1
H T 8 2 M 2 5 C /H T 8 2 M 2 5 C -1
Rev. 1.00
2 May 14, 2007


Part Number HT82M25X
Description 3/5-Key USB+PS/2 Optical Mouse Controller
Maker Holtek Semiconductor
Total Page 13 Pages
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