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  Holtek Semiconductor Electronic Components Datasheet  

HT82M23B Datasheet

3/5-Key USBPS/2 Optical Mouse Controller

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HT82M23A/HT82M23B/HT82M23C
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 specs V2.0
compatibility
· Serial Bus Interface Engine (SIE)
www.DataSheet·4U.UcSoBmtransceiver
· 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
· Interface compliant with ADNS-2051, ADNS-2610
and ADNS-2620
· Pass WHQL, USB-IF and EMC testing
· HT82M23A is pin compatible with HT82M22A
· HT82M23B/HT82M23C is pin compatible with
HT82M21A
· HT82M23A: 20-pin DIP/SOP package
HT82M23B/HT82M23C: 18-pin DIP/SOP package
General Description
HT82M23A/HT82M23B/HT82M23C is a Plug and Play
Windows 2000 and 5-button 3D USB+PS/2 Mouse con-
troller. The HT82M23A/HT82M23B/HT82M23C can
support the USB Standard Request as well as HID Class
Request version 1.1. It is compatible with Microsoft Intelli
3D or Windows 2000 5 key PS/2 mouse. The Z-axis can
support two kinds of scroller input, namely; mechanical
and optomechanical. It requires minimal external com-
ponents to implement 3D or Windows 2000 5 key USB
plus PS/2 mouse. All its features combined and make
up this versatile Holtek 8-bit MCU with an on-chip USB
interface logic. The USB is specified by the Universal
Serial Bus Specification V2.0.
The USB vendor ID for HT82M23A/HT82M23B/
HT82M23C is defined as 04D9H, the USB product ID is
different by different package
Selection Table
Part No.
HT82M23A
HT82M23B
HT82M23C
Interface
USB and PS/2
USB and PS/2
USB only
Mode
Windows 2000
3D
3D
USB Product ID
048EH
0499H
0499H
Package
20DIP/SOP
18DIP/SOP
18DIP/SOP
Rev. 1.10
1 January 22, 2007


  Holtek Semiconductor Electronic Components Datasheet  

HT82M23B Datasheet

3/5-Key USBPS/2 Optical Mouse Controller

No Preview Available !

Block Diagram
USBD+
USBD-
V 33O
www.DataSheet4U.com
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
HT82M23A/HT82M23B/HT82M23C
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 E L1
S D IO
S C LK
S E L0
RB0
1 20 O S C 1
2 19 O S C 2
3 18 V D D
4 17 LE D
5 16 M
6 15 R
7 14 L
8 13 Z2
9 12 Z1
10 11 R B 1
H T82M 23A
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 E L1
S D IO
S C LK
S E L0
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 3 B /H T 8 2 M 2 3 C
1 8 D IP -A /S O P -A
Rev. 1.10
2 January 22, 2007


Part Number HT82M23B
Description 3/5-Key USBPS/2 Optical Mouse Controller
Maker Holtek Semiconductor
Total Page 14 Pages
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