HT82M980A 5-Key 3D WIN2000 USB+PS/2 Mouse Controller Features · Operating voltage: 4.4V~5.25V · Z axis can support two kinds of scroller input (optomechanical and mechanical) · Compatible with Microsoft Windows 2000 and · Single chip solution especially for USB mouse 5-button Wheel Mouse function · Complete Universal Serial Bus specs V1.1 · HALT function and wake-up feature reduce power compatibility consumption · Serial Bus Interface Engine (SIE) · USB transceiver · Plug and Play functions · Microsoft 3D Intelli mouse and IBM PS/2 mouse · Minimal external components · 6MHz crystal oscillator for system clock compatible · Supports five buttons and three axes input · 20-pin DIP package General Description put, namely; mechanical and optomechanical. It requires minimal external components to implement 3D 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 V1.1. HT82M980A is a Plug and Play Windows 2000 and 5-button 3D USB+PS/2 Mouse controller. The HT82M980A can support the USB Standard Request as well as HID Class Request version 1.1. 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 scroller in- Block Diagram U S B T r a n s c e iv e r U S B D + R e g is te r S e t U S B R e c e iv e r U S B D U S B T r a n s m itte r V 3 3 O O S C 1 O S C 2 Rev. 1.40 V o lta g e R e g u la to r U S B In te rfa c (S a C o L o S e r ia l e E n g in e IE ) n d n tro l g ic C lo c k G e n e ra to r M a in S ta te m a c h in e R C R E S E T S u s p e n s io n C o n tro l 1 H o lte k 8 - b it M ic r o c o n tr o lle r F IF O s ´ 2 V D D V S S February 10, 2003 HT82M980A Pin Assignment V S S 1 2 0 O S C 1 V 3 3 O 2 1 9 O S C 2 U S B D + /C L K 3 1 8 V D D U S B D - /D A T A 4 1 7 L E D R E S E T 5 1 6 M X 1 6 1 5 R X 2 7 1 4 L Y 1 8 1 3 Z 2 Y 2 9 1 2 Z 1 B 4 1 0 1 1 B 5 H T 8 2 M 9 8 0 A 2 0 D IP -A Pin Description Pin No. Pin Name I/O Description USB Interface (2 pins) 3 USBD+/CLK I/O USB data plus or PS2 Clock, F/W auto-detect USBD+ for USB, CLK for PS2 4 USBD-/DATA I/O USB data minus or PS2 Data, F/W auto-detect USB- for USB, DATA for PS2 General purpose I/O (11 pins) 6, 7 X1, X2 I X-axis photo input with built-in Holtek¢s special dynamic photo input resistor 8, 9 Y1, Y2 I Y-axis photo input with built-in Holtek¢s special dynamic photo input resistor 12, 13 Z1, Z2 I Z-axis input supports two kinds of scroller input; optomechanical and mechanical 10, 11, 14 15, 16 L, R, M, B4, B5 I Input ports with pull-high resistor. These pads can function as Left, Right, Middle, B4 and B5 button input lines. Miscellaneous (7 pins) 1 VSS ¾ Negative power supply, ground 2 V33O O 3.3V voltage output I Chip reset input, low active 5 RESET 17 LED I/O Drives LED output 18 VDD ¾ 5V positive power supply 19 OSC2 O 6MHz OSC output 20 OSC1 I 6MHz OSC input Absolute Maximum Ratings Supply Voltage ............................................-0.3V to 6V Storage Temperature ............................-50°C to 125°C MCU Input Voltage.....................VSS-0.3V to VDD+0.3V Operating Temperature...........................-25°C to 70°C USB Input Voltage ....................VSS-0.3V to V33O+0.3V Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² 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. Rev. 1.40 2 February 10, 2003 HT82M980A D.C. Characteristics Symbol Ta=25°C Test Conditions Parameter Typ. Max. Unit 4.4 ¾ 5.25 V USB mode ¾ 10 ¾ mA PS/2 mode ¾ 3 ¾ mA ¾ ¾ 250 mA Conditions ¾ VDD Operating Voltage ¾ IDD Operating Current (Crystal OSC) 5V USB Suspend Mode 5V ISUS Min. VDD No load, fSYS=6MHz No load, system HALT Input Low Voltage VIL1 (X1, X2, Y1, Y2, Z1, Z2, L, M, R, B4, B5) 5V ¾ 0 ¾ 1.0 V 5V ¾ 3.5 ¾ 5 V 5V ¾ 0 ¾ 1.5 V 5V ¾ 3.5 ¾ 5 V ¾ ¾ 3.7 ¾ V ¾ 50 ¾ mA Input High Voltage VIH1 VIL2 VIH2 (X1, X2, Y1, Y2, Z1, Z2, L, M, R, B4, B5) Input Low Voltage (RESET) Input High Voltage (RESET) VPOR Built-in Power on Reset VDD Detection Voltage 5V IOL Sink Current (LED) 5V VOL=0.8V A.C. Characteristics Symbol fSYS Ta=25°C Test Conditions Parameter System Clock (Crystal OSC) VDD Conditions 5V ¾ Min. Typ. Max. Unit 0 6000 ¾ kHz Note: tSYS=1/fSYS Timing Diagram X, Y Axis Photo-Coupler Crossed Width X 1 (Y 1 ) (Z 1 ) X 2 (Y 2 ) (Z 2 ) tp tr tf N o te : F o r X , Y - a x is tr, tp , tf > 3 0 m s F o r Z - a x is tr, tp , tf > 1 m s X, Y, Z Axis Counting X 1 X 2 + 1 + 1 + 1 -1 + 1 -1 -1 -1 Z 1 Z 2 + 1 Rev. 1.40 + 1 -1 3 -1 February 10, 2003 HT82M980A Application Circuits This Application Circuit is for Reference Only V 2 .2 m F 0 .1 m F * 1 0 k W * 2 3 4 1 1 0 m F 1 V S V 3 U S U S 0 .0 1 m F * 2 1 .5 k W 0 .1 m F D D R E C E P T _ A 1 M W 4 3 3 3 p F * 5 3 3 p F * 6 7 8 9 1 0 S O S 3 O O S B D + /C L K V B D - /D A T A L R E S E T X 1 X 2 Y 1 Y 2 1 9 C 2 D D 1 8 1 7 E D 6 M H z 2 2 W * 0 .1 m F 1 6 M 1 5 R 1 4 L 1 3 Z 2 1 2 Z 1 B 4 1 k W 2 0 C 1 1 1 B 5 1 k W H T 8 2 M 9 8 0 A V 2 .2 m F 1 M W 0 .1 m F * 1 0 k W * 4 3 2 1 1 0 m F 1 V S S V 3 3 O U S B D + /C L K U S B D - /D A T A 2 0 .0 1 m F * 0 .1 m F D D R E C E P T _ A 3 1 .5 k W 4 3 3 p F * 3 3 p F *5 7 9 1 0 1 k W 1 8 1 7 L E D X 2 8 1 9 O S C 2 V D D R E S E T X 1 6 2 0 O S C 1 M 1 5 R Z 2 Y 2 Z 1 B 4 1 0 k W 1 6 L Y 1 6 M H z 2 2 W * 0 .1 m F B 5 1 4 1 3 1 2 1 1 H T 8 2 M 9 8 0 A Z - a x is M e c h n ic a l E n c o d e r Note: Layout 0.1mF capacitor, 22W resistor and 0.01mF capacitor as close to VDD pin as possible. Layout power plane and ground plane as large as possible. Place 0.1mF capacitor as close to RESET pin as possible. Place 6MHz crystal as close to OSC1 and OSC2 pins as possible. Components with * are used for EMC issue. Rev. 1.40 4 February 10, 2003 HT82M980A Package Information 20-pin DIP (300mil) Outline Dimensions A B 2 0 1 1 1 1 0 H C D E Symbol Rev. 1.40 F a G I Dimensions in mil Min. Nom. Max. A 1020 ¾ 1045 B 240 ¾ 260 C 125 ¾ 135 D 125 ¾ 145 E 16 ¾ 20 F 50 ¾ 70 G ¾ 100 ¾ H 295 ¾ 315 I 335 ¾ 375 a 0° ¾ 15° 5 February 10, 2003 HT82M980A 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) 43F, SEG Plaza, Shen Nan Zhong Road, Shenzhen, China 518031 Tel: 0755-8346-5589 Fax: 0755-8346-5590 ISDN: 0755-8346-5591 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 Holmate Semiconductor, Inc. (North America Sales Office) 46712 Fremont Blvd., Fremont, CA 94538 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holmate.com Copyright Ó 2003 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. Holtek¢s 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. Rev. 1.40 6 February 10, 2003