HT82M22A 5-Key 3D USB+PS/2 Optical Mouse Controller Features · Operating voltage: 4.4V~5.25V · Single chip solution especially for USB mouse function · Compatible with Microsoft Windows 2000 and · HALT function and wake-up feature reduce power 5-button Wheel Mouse consumption · Complete Universal Serial Bus specs V1.1 · Plug and Play functions compatibility · Serial Bus Interface Engine (SIE) · Minimal external components · USB transceiver · 6MHz crystal oscillator for system clock · Microsoft 3D Intelli mouse and IBM PS/2 mouse · Interface compliant with ADNS-2051, ADNS-2610 compatible and ADNS-2620 · Supports five buttons and Z-axis input · Pass WHQL, USB-IF and EMC testing · Z-axis can support two kinds of scroller input · 20-pin DIP package (optomechanical and mechanical) General Description 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. HT82M22A is a Plug and Play Windows 2000 and 5-button 3D USB+PS/2 Mouse controller. The HT82M22A 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 Z-axis can support two kinds of scroller input, namely; mechanical 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 September 15, 2005 HT82M22A 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 S E L 1 6 1 5 R S D IO 7 1 4 L S C L K 8 1 3 Z 2 S E L 0 9 1 2 Z 1 R B 0 1 0 1 1 R B 1 H T 8 2 M 2 2 A 2 0 D IP -A Pin Description Pin No. Pin Name I/O Description ¾ Negative power supply, ground 1 VSS 2 V33O O 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 5 RESET 6, 9 SEL1 SEL0 7 SDIO 8 SCLK(PA5) 10, 11 RB0, RB1 14, 15, 16 L, R, M 3.3V voltage output I Chip reset input, low active I Configuration selections SEL1=0: Z-axis is divided by 2 (default) SEL1=1: Z-axis is divided by 4 For ADNS 2051: SEL0=0: 800DPI (default) SEL0=1: 400DPI For ADNS 2610/2620: SEL0=0, 400DPI (default) SEL0=1, 800DPI-by firmware I/O Serial data for Agilent sensor IC SDIO I Serial data for Agilent sensor IC SCLK I 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. I Z-axis input supports two kinds of scroller input; optomechanical and mechanical. 12, 13 Z1, Z2 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 ..............................VSS-0.3V to VSS+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 September 15, 2005 HT82M22A D.C. Characteristics Symbol Ta=25°C Test Conditions Parameter Min. 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 VDD Conditions ¾ VDD Operating Voltage ¾ IDD Operating Current (Crystal OSC) 5V ISUS USB Suspend Mode 5V VIL1 Input Low Voltage (Z1, Z2, L, M, R) 5V ¾ 0 ¾ 1.0 V VIH1 Input High Voltage (Z1, Z2, L, M, R) 5V ¾ 3.5 ¾ 5 V VIL2 Input Low Voltage (RESET) 5V ¾ 0 ¾ 1.5 V VIH2 Input High Voltage (RESET) 5V ¾ 3.5 ¾ 5 V VPOR Built-in Power on Reset VDD Detection Voltage 5V ¾ ¾ 3.7 ¾ V IOL Sink Current (LED) 5V ¾ 50 ¾ mA No load, fSYS=6MHz No load, system HALT VOL=0.8V A.C. Characteristics Symbol fSYS Ta=25°C Test Conditions Parameter VDD Conditions 5V ¾ System Clock (Crystal OSC) Min. Typ. Max. Unit 0 6000 ¾ kHz Note: tSYS=1/fSYS Timing Diagram Z-axis Photo-Coupler Crossed Width Z 1 Z 2 tr N o te : F o r Z - a x is tP tf tr, tP , tf > 2 .5 m s Z-axis Counting Z 1 Z 2 + 1 Rev. 1.40 + 1 -1 3 -1 September 15, 2005 HT82M22A Application Circuits This Application Circuit is for Reference Only V 2 1 0 m F U S B 4 3 3 W 1 5 k W V S S V 3 3 O U S B D + /C L K U S B D - /D A T A 2 3 5 k W S W 1 0 .0 1 m F 4 5 S W 2 R E S E S D S C S E R B 6 7 S D IO S C L K 8 9 1 0 O S C O S C V D L E 1 5 k W 1 8 D 1 6 9 2 4 1 3 Z 2 5 1 2 Z 1 R B 1 O S C _ IN O S C _ O U T X B X A Y B Y A 3 1 4 L 1 1 7 R E F A R E F B X Y _ L E D P D S D IO S C L K G N D G N D 2 .2 m F 8 0 W 6 1 5 1 6 1 1 2 S D IO S C L K 1 0 A D N S 2 0 5 1 1 0 0 k W H T 8 2 M 2 2 A V D D R _ B IN 1 1 0 .1 m F 1 5 R 1 4 1 8 .4 3 2 M H z 1 7 D 0 .1 m F 1 3 B 1 9 2 M S E T L 1 IO L K L 0 0 A 2 0 1 0 .1 m F C 1 k W V S S 3 3 0 k W U S B + D D 1 V D D 1 0 k W M B R B 0 0 .1 m F L B 6 M H z R B 1 3 3 W 1 .5 k W V V D D 2 S W 1 S W 2 0 .0 1 m F 4 e n s e e n s e : 8 : 4 : Z : Z 0 0 D P I ( d e fa u lt) 0 0 D P I /2 ( d e fa u lt) /4 3 3 W V S S V 3 3 O U S B D + /C L K U S B D - /D A T A 2 3 4 5 6 7 S D IO S C L K 8 9 1 0 R E S E S D S C S E R B S E T L 1 IO L K L 0 0 O S O S V L C 1 C 2 D D E D M R L Z 2 Z 1 R B 1 0 .1 m F C 1 k W 5 k W o p c lo o p c lo D D 1 0 m F 3 1 5 k W 1 = 1 = 2 = 2 = 3 0 p F 3 0 k W V S S S W S W S W S W 1 U S B U S B + 1 M W 3 0 p F 3 3 p F 3 3 p F N o te : 0 .1 m F R B 3 3 W A 2 0 1 0 0 W 1 0 0 k W 7 B V D D 1 9 1 k W 5 X Y _ L E D 1 8 1 7 2 4 M H z 1 6 1 0 .1 m F 1 5 2 1 4 6 1 3 1 2 O S C _ IN S D IO O S C _ O U T S C L K R E F A G N D 3 S D IO 4 S C L K 8 2 .2 m F 1 1 A D N S 2 6 1 0 1 0 0 k W H T 8 2 M 2 2 A 1 0 k W R B 0 0 .1 m F 3 3 W L B 1 .5 k W Note: 3 3 p F N o te : 0 .1 m F R B 6 M H z R B 1 3 3 W 3 3 p F M B 3 0 p F 1 M W S W S W S W S W 1 = 1 = 2 = 2 = o p c lo o p c lo e n s e e n s e : 4 : 8 : Z : Z 0 0 D P I ( d e fa u lt) 0 0 D P I- b y fir m w a r e /2 ( d e fa u lt) /4 3 0 p F Layout 0.1mF capacitor, 33W resistor and 0.01mF capacitor as close to VDD pin as possible. Rev. 1.40 4 September 15, 2005 HT82M22A Package Information 20-pin DIP (300mil) Outline Dimensions A B 2 0 1 1 1 1 0 H C D E Symbol A Rev. 1.40 F a G I Dimensions in mil Min. Nom. Max. 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 September 15, 2005 HT82M22A 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 (China) Inc. (Dongguan Sales Office) Building No. 10, Xinzhu Court, (No. 1 Headquarters), 4 Cuizhu Road, Songshan Lake, Dongguan, China 523808 Tel: 86-769-2626-1300 Fax: 86-769-2626-1311 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com Copyright Ó 2005 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 September 15, 2005