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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 * USB transceiver * Single chip solution especially for USB mouse
5-button Wheel Mouse
* Microsoft 3D Intelli mouse and IBM PS/2 mouse
function
* Power down function and wake-up feature reduce
compatible
* Supports 3/5 buttons and Z-axis input * Z-axis can support two kinds of scroller input
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
- 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)
General Description
These devices are Plug and Play Windows 2000 and 5-button 3D USB+PS/2 Mouse controllers. Fully supporting 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 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 Specification 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
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HT82M25X
Block Diagram
USB T r a n s c e iv e r USB R e c e iv e r R e g is te r Set
USBD+ USBD-
USB T r a n s m itte r
V33O
V o lta g e R e g u la to r
USB In te rfa c (S a Co Lo
S e r ia l e E n g in e IE ) nd n tro l g ic
H o lte k 8 - b it M ic r o c o n tr o lle r
OSC1 OSC2
C lo c k G e n e ra to r RC RESET
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
F IF O s 2 VDD VSS
Pin Assignment
VSS 1 2 3 4 5 6 7 8 9 10 V33O 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 20 19 18 17 16 M R L Z2 Z1 RB1 15 14 13 12 11 OSC1 OSC2 VDD LED VSS 1 2 3 4 5 6 7 8 9 V33O 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 18 17 16 15 14 13 12 11 10 L Z2 Z1 R M OSC1 OSC2 VDD LED
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
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
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Pin Description
Pin Name VSS V33O USBD+/CLK USBD-/DATA RESET NRESET DPI_SEL SDIO SCLK/Z_SEL I/O 3/4 O I/O I/O I I/O I I/O I/O Negative power supply, ground 3.3V voltage output USB data plus or PS2 Clock, F/W auto-detect USBD+ for USB, CLK for PS2 USB data minus or PS2 Data, F/W auto-detect USB- for USB, DATA for PS2 Chip reset input, low active Reset pin for Agilent sensor IC 1 (N/C): 500dpi 0 (GND): 1000dpi Serial data for Agilent sensor IC SDIO Serial data for Agilent sensor IC SCLK 1 (N/C): z-axis is divided by 2 0 (pull-down): z-axis is divided by 4 Click button detection. Input ports with 30kW pull-high resistor. Input ports with pull-high resistor. These pads can function as Left, Right, Middle, B4 and B5 button input lines. Z-axis input supports two kinds of scroller input; optomechanical and mechanical. LED drive output 5V positive power supply 6MHz OSC output 6MHz OSC input Description
RB0, RB1 L, R, M Z1, Z2 LED VDD OSC2 OSC1
I I I/O 3/4 O I
Absolute Maximum Ratings
Supply Voltage ..............................VSS-0.3V to VSS+6V MCU Input Voltage.....................VSS-0.3V to VDD+0.3V USB Input Voltage ....................VSS-0.3V to V33O+0.3V Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Storage Temperature ............................-50C to 125C Operating Temperature...........................-25C to 70C
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D.C. Characteristics
Symbol VDD IDD ISUS VIL1 VIH1 VIL2 VIH2 VPOR IOL Parameter Operating Voltage Operating Current (Crystal OSC) USB Suspend Mode Input Low Voltage (Z1, Z2, L, M, R) Input High Voltage (Z1, Z2, L, M, R) Input Low Voltage (RESET) Input High Voltage (RESET) Built-in Power on Reset VDD Detection Voltage Sink Current (LED) Test Conditions VDD 3/4 5V 5V 5V 5V 5V 5V 5V 5V VOL=0.8V No load, fSYS=6MHz Conditions 3/4 USB mode PS/2 mode Min. 4.4 3/4 3/4 3/4 0 3.5 0 3.5 3/4 3/4 Typ. 3/4 10 3 3/4 3/4 3/4 3/4 3/4 3.7 50 Max. 5.25 3/4 3/4 250 1.0 5 1.5 5 3/4 3/4 Ta=25C Unit V mA mA mA V V V V V mA
No load, system HALT 3/4 3/4 3/4 3/4 3/4
A.C. Characteristics
Symbol fSYS Parameter System Clock (Crystal OSC) Test Conditions VDD 5V Conditions 3/4 Min. 0 Typ. 6000 Max. 3/4
Ta=25C Unit kHz
Note: tSYS=1/fSYS
Timing Diagram
Z-axis Photo-Coupler Crossover Width
Z1 Z2 tr N o te : F o r Z - a x is tr, tP , tf > 1 m s tP tf
Z-axis Counting
Z1 Z2 +1 +1 -1 -1
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HT82M25X
Functional Description
PS/2 Mouse
* PS/2 status byte
* For the HT82M25B/HT82M25B-1, HT82M25C/
Byte 1 Bit 7: Reserved Bit 6: 0=Stream Mode, 1=Remote Mode Bit 5: 0=Disabled, 1=Enabled Bit 4: 0=Scaling 1:1, 1=Scaling 2:1 Bit 3: 1=Wrap Mode, 0=Stream or Remote (different from IBM specs.) Bit 2: 1=Left Button Pressed Bit 1: 1=Middle Button Pressed Bit 0: 1=Right Button Pressed
HT82M25C-1, the mouse mode changes between Standard and 3D PS/2 mode. Sending the commands in the following sequence will set the mouse to the 3D PS/2 mode. Command F3h C8h F3h 64h F3h 50h F2h Response From Mouse FAh FAh FAh FAh FAh FAh FAh, 03h
Byte 2 Bit 0~7 current resolution setting (Bit 0=LSB)
* For the HT82M25A/HT82M25A-1, the mouse mode
Byte 3 Bit 0~7 current sampling rate (Bit 0=LSB)
* Standard PS/2 data format
changes between Standard and Windows 2000 PS/2 mode. Sending the commands in the following sequence will set the mouse to the Windows 2000 PS/2 mode. Command F3h C8h F3h C8h F3h 50h F2h
(HT82M25A/HT82M25A-1, HT82M25B/HT82M25B-1) Bit No. 1st word 2nd word 3rd word 7 YV X7 Y7 6 XV X6 Y6 5 YS X5 Y5 4 XS X4 Y4 3 1 X3 Y3 2 M X2 Y2 1 R X1 Y1 0 L X0 Y0
Response From Mouse FAh FAh FAh FAh FAh FAh FAh, 04h
* Data format for 3D PS/2
(HT82M25A/HT82M25A-1, HT82M25B/HT82M25B-1) Bit No. 1st word 2nd word 3rd word 4th word Note: 7 YV X7 Y7 Z7 6 XV X6 Y6 Z6 5 YS X5 Y5 Z5 4 XS X4 Y4 Z4 3 1 X3 Y3 Z3 2 M X2 Y2 Z2 1 R X1 Y1 Z1 0 L X0 Y0 Z0
At any time the PC sends a reset FFh command to the mouse, it will reset the mouse to Standard PS/2 mode.
After a power-on reset is initiated, the mouse is set to Standard PS/2 mode.
* USB mouse data format for 3D mode
The X/Y data report is 9-bit 2s complement The Z data report is 8-bit 2s complement
(HT82M25A/HT82M25A-1, HT82M25B/HT82M25B-1, HT82M25C/HT82M25C-1) Bit No. 1st word 7 0 X7 Y7 Z7 6 0 X6 Y6 Z6 5 0 X5 Y5 Z5 4 0 X4 Y4 Z4 3 0 X3 Y3 Z3 2 M X2 Y2 Z2 1 R X1 Y1 Z1 0 L X0 Y0 Z0
* Data format for 5-button Wheel Mouse
(HT82M25A/HT82M25A-1) Bit No. 1st word 2nd word 3rd word 4th word Note: 7 0 X7 Y7 0 6 0 X6 Y6 0 5 YS X5 Y5 4 XS X4 Y4 3 1 X3 Y3 2 M X2 Y2 Z2 1 R X1 Y1 Z1 0 L X0 Y0 Z0
2nd word 3rd word 4th word
RB1 RB0 Z3
X- movement towards the right is positive, moving towards the left is negative Y- upward movement is positive, moving down is negative Z- rolling towards the user is positive, otherwise negative Button status: 1=pressed, 0=released
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* Data format for Windows 2000 mode
Note: 2 1 R X1 Y1 Z1 0 L X0 Y0 Z0
(HT82M25A/HT82M25A-1) Bit No. 1st word 2nd word 3rd word 4th word 7 0 X7 Y7 Z7 6 0 X6 Y6 Z6 5 0 X5 Y5 Z5 4 3
X- movement towards the right is positive, moving towards the left is negative Y- upward movement is negative, moving down is positive Z- rolling towards the user is negative, otherwise positive Button status: 1=pressed, 0=released
RB1 RB1 M X4 Y4 Z4 X3 Y3 Z3 X2 Y2 Z2
Application Circuits
HT82M25A Application Circuit is for Reference Only
V VDD USBUSB+ VSS 4 1 33W 33W 3 33pF 4 5 6 33pF Z_SEL 5 .1 k W 7 8 9 D P I_ S E L 10 2 20 1 2 D D M R L ET EL Z2 Z1 RB1 19 18 17 16 15 14 13 12 11 100kW N o te : D P I_ S E L = o p e n : 5 0 0 D P I D P I_ S E L = c lo s e : 1 0 0 0 D P I 0 .1 m F 6M H z Z _ S E L = o p e n : Z /2 Z _ S E L = c lo s e : Z /4 4 0 .1 m F 3 8 3 2 1 10mF 0 .0 1 m F 22W 300W A C 0 .1 m F
DD
0 .1 m F
1 .5 k W
VSS V33O U S B D + /C L K U S B D - /D A T A RE SC SD NR DP RB 0 SE LK IO ES I_ S T /Z _ S E L
OSC OSC VD LE
B 1
S D IO SC LK NRESET NCS
XY_LED REG0 GND VDD5 A D N S -5 0 2 0 5 6 7
2 3 .3 m F 0 .1 m F 0 .1 m F 4 .7 m F
H T 8 2 M 2 5 A /H T 8 2 M 2 5 A -1 10kW MB RB LB RB0 RB1
V VDD USBUSB+ VSS 4 1 33W 33W 3 33pF 4 5 6 33pF Z_SEL 5 .1 k W 7 8 9 D P I_ S E L 2 3 2 1 10mF
DD
0 .0 1 m F 22W 18 1 2 D D M R L ET EL Z2 Z1 17 16 15 14 13 12 11 10 0 .1 m F 300W A C
0 .1 m F
0 .1 m F
1 .5 k W
VSS V33O U S B D + /C L K U S B D - /D A T A RE SC SD NR DP SE LK IO ES I_ S T /Z _ S E L
OSC OSC VD LE
B 1 8 3 4
S D IO SC LK NRESET NCS
XY_LED REG0 GND VDD5 A D N S -5 0 2 0 5 6 7
2 3 .3 m F 0 .1 m F 0 .1 m F 4 .7 m F
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 10kW MB RB LB
100kW N o te : D P I_ S E L = o p e n : 5 0 0 D P I D P I_ S E L = c lo s e : 1 0 0 0 D P I 0 .1 m F 6M H z Z _ S E L = o p e n : Z /2 Z _ S E L = c lo s e : Z /4
Note:
Place the 0.1mF capacitor, 22W resistor and 0.01mF capacitor as close to VDD pin as possible.
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HT82M25X
Package Information
18-pin DIP (300mil) Outline Dimensions
A 18 B 1 10 9
H C D E G F
a
I
Symbol A B C D E F G H I a
Dimensions in mil Min. 895 240 125 125 16 50 3/4 295 335 0 Nom. 3/4 3/4 3/4 3/4 3/4 3/4 100 3/4 3/4 3/4 Max. 915 260 135 145 20 70 3/4 315 375 15
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HT82M25X
18-pin SOP (300mil) Outline Dimensions
18 A 1
10 B 9
C C' G H D E F
a
Symbol A B C C D E F G H a
Dimensions in mil Min. 394 290 14 447 92 3/4 4 32 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 50 3/4 3/4 3/4 3/4 Max. 419 300 20 460 104 3/4 3/4 38 12 10
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HT82M25X
20-pin DIP (300mil) Outline Dimensions
A 20 B 1 11 10
H C D E F G
a
I
Symbol A B C D E F G H I a
Dimensions in mil Min. 1020 240 125 125 16 50 3/4 295 335 0 Nom. 3/4 3/4 3/4 3/4 3/4 3/4 100 3/4 3/4 3/4 Max. 1045 260 135 145 20 70 3/4 315 375 15
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HT82M25X
20-pin SOP (300mil) Outline Dimensions
20
A
11
B
1
C C'
10
G H
D E F
a
Symbol A B C C D E F G H a
Dimensions in mil Min. 394 290 14 490 92 3/4 4 32 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 50 3/4 3/4 3/4 3/4 Max. 419 300 20 510 104 3/4 3/4 38 12 10
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HT82M25X
Product Tape and Reel Specifications
Reel Dimensions
T2 D
A
B
C
T1
SOP 18W Symbol A B C D T1 T2 SOP 20W Symbol A B C D T1 T2 Description Reel Outer Diameter Reel Inner Diameter Spindle Hole Diameter Key Slit Width Space Between Flange Reel Thickness Dimensions in mm 3301.0 621.5 13.0+0.5 -0.2 2.00.5 24.8+0.3 -0.2 30.20.2 Description Reel Outer Diameter Reel Inner Diameter Spindle Hole Diameter Key Slit Width Space Between Flange Reel Thickness Dimensions in mm 3301.0 621.5 13.0+0.5 -0.2 2.00.5 24.8+0.3 -0.2 30.20.2
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HT82M25X
Carrier Tape Dimensions
D
E F W C
P0
P1
t
B0
D1
P
K0 A0
SOP 18W Symbol W P E F D D1 P0 P1 A0 B0 K0 t C SOP 20W Symbol W P E F D D1 P0 P1 A0 B0 K0 t C Description Carrier Tape Width Cavity Pitch Perforation Position Cavity to Perforation (Width Direction) Perforation Diameter Cavity Hole Diameter Perforation Pitch Cavity to Perforation (Length Direction) Cavity Length Cavity Width Cavity Depth Carrier Tape Thickness Cover Tape Width Dimensions in mm 24.0+0.3 -0.1 12.00.1 1.750.1 11.50.1 1.5+0.1 1.5+0.25 4.00.1 2.00.1 10.80.1 13.30.1 3.20.1 0.30.05 21.3 Description Carrier Tape Width Cavity Pitch Perforation Position Cavity to Perforation (Width Direction) Perforation Diameter Cavity Hole Diameter Perforation Pitch Cavity to Perforation (Length Direction) Cavity Length Cavity Width Cavity Depth Carrier Tape Thickness Cover Tape Width Dimensions in mm 24.0+0.3 -0.1 16.00.1 1.750.1 11.50.1 1.50.1 1.5+0.25 4.00.1 2.00.1 10.90.1 12.00.1 2.80.1 0.30.05 21.3
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HT82M25X
Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) 7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233 Tel: 021-6485-5560 Fax: 021-6485-0313 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) 5/F, Unit A, Productivity Building, Cross of Science M 3rd Road and Gaoxin M 2nd Road, Science Park, Nanshan District, Shenzhen, China 518057 Tel: 0755-8616-9908, 8616-9308 Fax: 0755-8616-9722 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 010-6641-0030, 6641-7751, 6641-7752 Fax: 010-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 028-6653-6590 Fax: 028-6653-6591 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holtek.com
Copyright O 2007 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holteks products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw.
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