HT82M398A 5-Key 3D WIN2000 PS/2 Mouse Controller Features · Operating Voltage: 4.75V~5.25V · Supports three buttons and three axes (X, Y, Z) inputs · Compatible with Microsoft Windows 2000 and · Z axis can support two kinds of scroller input 5-button Wheel Mouse (optomechanical and mechanical) · Compatible with Microsoft Intelli 3D PS/2 and IBM · 2MHz RC oscillator for system frequency with PS/2 mouse external pull-high resistor · Supports rolling buttons in PS/2 mouse mode · 16-pin DIP package · X/Y axis photo input with built-in Holtek¢s special dynamic photo-input resistor General Description The HT82M398A is a Plug and Play WIN2000 and 5-button 3D PS/2 mouse controller. It is also compatible with Microsoft Intelli 3D PS/2 and IBM PS/2 mouse. The Z axis can support two kinds of scroller input, namely; mechanical and optomechanical. Pin Assignment Z 1 1 1 6 Y 2 Z 2 2 1 5 Y 1 V D D 3 1 4 X 2 B 5 4 1 3 X 1 V S S 5 1 2 B 4 O S C I 6 1 1 L B C L K 7 1 0 R 0 D A T A 8 9 R B H T 8 2 M 3 9 8 A 1 6 D IP -A Pin Description Pin No. Pin Name 1, 2 Z1, Z2 3 VDD I/O Description I Z, axis input supports two kinds of scroller input, namely; optomechanical and mechanical. ¾ I Positive power supply 4 B5 5 VSS ¾ 6 OSCI I 2MHz RC oscillator for system frequency with external pull-high resistor and built-in Capacitor. 7 CLK I/O CLK I/O, PS/2 mouse CLK line. NMOS open drain output with 5kW pull-high resistor. 8 DATA I/O DATA I/O, PS/2 mouse DATA line. NMOS open drain output with 5kW pull-high resistor. Button 5, normal pull-low (50kW), Press connect to high. Negative power supply 9~11 RB, RO, LB I Right Button: Normal pull-low (50kW), Pressing the button connects to high. Rolling Button: Normal pull-low (50kW), Pressing the button connects to high. Left Button: Normal pull-low (50kW), Pressing the button connects to high. 12 B4 I Button 4, normal pull-low (50kW), Press connect to high. 13~16 X1, X2, Y1, Y2 I X/Y axis photo input with built-in Holtek¢s special dynamic photo input resistor Rev. 1.40 1 October 12, 2006 HT82M398A Absolute Maximum Ratings Supply Voltage .........................................-0.3V to 6.5V Storage Temperature ............................-50°C to 125°C Input Voltage..............................VSS-0.3V to VDD+0.3V Operating Temperature...........................-25°C to 70°C 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. Electrical Characteristics Symbol Ta=25°C Parameter Test Conditions VDD Conditions ¾ Min. Typ. Max. Unit 4.75 5.0 5.25 V VDD Operating Voltage ¾ IOP Operating Current 5V ROSC=130kW ¾ ¾ 15 mA fOSC RC Oscillator 5V ROSC=130kW 1.6 2 2.4 MHz VIL1 Input Low Voltage (Z1, Z2) 5V ¾ 0 ¾ 1.5 V VIH1 Input High Voltage (Z1, Z2) 5V ¾ 2.2 ¾ 5 V VIL2 Input Low Voltage (CLK, DATA) 5V ¾ 0 ¾ 0.8 V VIH2 Input High Voltage (CLK, DATA) 5V ¾ 2.0 ¾ 5.0 V RPH2 Pull-high Resistor (CLK, DATA) 5V VIL=0V 2 5 10 kW Isink Sink Current (CLK, DATA) 5V VOH=0.4V 4 ¾ ¾ mA VIL3 Input Low Voltage (RB, Ro, LB) 5V ¾ 0 ¾ 1.0 V VIH3 Input High Voltage (RB, Ro, LB) 5V ¾ 1.8 ¾ 5 V RPL3 Pull-low Resistor (RB, Ro, LB) 5V 3.0 60 125 kW VIL4 Input Low Voltage (X1,X2,Y1,Y2) 5V ¾ 0 ¾ 1.5 V VIH4 Input High Voltage (X1, X2, Y1, Y2) 5V ¾ 2.2 ¾ 5 V RPL5 Dynamic Photo-resistor (X1, X2, Y1, Y2, Z1, Z2) 5V ¾ VIL=0V See Dynamic resistor characteristics Dynamic resistor characteristics · R-V curve Photo_R: R-V R V Rev. 1.40 2 October 12, 2006 HT82M398A Functional Description PS/2 mouse The x/y data report is 9-bit 2¢s complement · PS/2 status byte The z data report is 8-bit 2¢s complement Byte 1 bit 7: Reserved 6: 0=Stream Mode, 1=Remote Mode 5: 0=Disabled, 1=Enabled 4: 0=Scaling 1:1, 1=Scaling 2:1 3: 1=Wrap Mode, 0=Stream or Remote (different from IBM specs.) 2: 1=Left Button Pressed 1: 1=Middle Button Pressed 0: 1=Right Button Pressed Byte 2 Bit 0~7 current resolution setting (Bit 0=LSB) Byte 3 Bit 0~7 current sampling rate (Bit 0=LSB) · Data format for 5-button Wheel Mouse Bit No. 6 5 5 4 3 2 1 0 1st word 0 0 YS XS 1 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word 0 0 B5 B4 Z3 Z2 Z1 Z0 Y upward movement is positive, moving down is negative Z rolling towards the user is positive, else negative Button status: 1=pressed, 0=released · 5-button Wheel Mouse Mode follows the 5-button Ac- tivation Method of Windows 2000 and the 5-button Wheel Mouse Specification. Variable rps, 0, 8, 1, bidirectional, synchronous 7 6 X movement towards the right is positive, moving towards the left is negative · Standard PS/2 data format Bit No. 7 4 3 2 1 0 1 M R L 1st word YV XV YS XS 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 ¨ Any time the PC sends a reset ²FFH² command to the mouse, it will reset the mouse to Standard PS/2 mode. ¨ After power-on reset is initiated, the mouse is set to Standard PS/2 mode. · Data format for 3D PS/2 Variable rps, 0, 8, 1, bidirectional, synchronous Bit No. 7 6 5 4 3 2 1 0 1st word 0 0 YS XS 1 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 Timing Diagrams X, Y Axis Photo-coupler Cross 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 Rev. 1.40 3 October 12, 2006 HT82M398A X/Y/Z Axis Counting X 1 X 2 + 1 + 1 + 1 -1 + 1 -1 -1 -1 Z 1 Z 2 + 1 + 1 -1 -1 PS/2 Mouse · Data output (1 ) (3 ) (3 ) 1 s t C L K C L K T 3 D A T A (3 ) (3 ) 1 0 th C L K (4 ) 1 1 th C L K T 6 (5 ) T 5 T 4 (7 ) T 2 T 1 (2 ) 2 n d C L K S ta r t B it B it 0 P a r ity B it S to p B it (6 ) M in ./M a x . T im in g P a r a m e te r T 1 D A T A tr a n s itio n to th e fa llin g e d g e o f C L K T 2 R is in g e d g e o f C L K to D A T A tr a n s itio n T 3 In a c tiv e C L K D u r a tio n T 4 A c tiv e C L K D u r a tio n M in im u m tim e to in h ib it M O U S E a fte r c lo c k 1 1 T 5 T 6 M a x im u m tim e to in h ib it M O U S E a fte r c lo c k 1 1 to e n s u r e M O U S E d o e s n o t s ta r t a n o th e r tr a n s m is s io n · Data input (1 ) (2 ) I/O In h ib it C L K (4 ) 1 s t C L K 2 n d C L K T 7 1 0 th C L K 9 th C L K (8 ) T 8 T 9 D A T A S ta r t B it (3 ) (6 ) B it 0 P a r ity B it (5 ) (5 ) T im in g P a r a m e te r Rev. 1.40 1 1 th C L K S to p B it (7 ) M in ./M a x . T 7 C L K D u r a tio n , lo w T 8 C L K D u r a tio n , h ig h T 9 T im e fr o m lo w to h ig h C L K tr a n s itio n to tim e w h e n M O U S E s a m p le s D A T A lin e 4 October 12, 2006 HT82M398A Application Circuits HT82M398A Z Axis Optomechanical (This Application Circuit is for Reference Only) V C C 0 .1 m F IR 1 3 0 k W IR R 1 2 3 4 5 6 7 C L K 8 D A T A Z 1 Y 2 Z 2 Y 1 V D D X 2 B 5 X 1 V S S B 4 O S C I L B C L K R o D A T A R B 1 6 1 5 1 4 1 3 1 2 S 4 1 1 S 1 1 0 S 2 9 S 3 IR R H T 8 2 M 3 9 8 A S 5 HT82M398A Z Axis Mechanical (This Application Circuit is for Reference Only) V C C 0 .1 m F 1 3 0 k W IR Z - a x is M e c h n ic a l E n c o d e r 1 2 3 4 5 6 C L K D A T A S 5 8 7 Z 1 Y 2 Z 2 Y 1 V D D X 2 B 5 X 1 V S S B 4 O S C I L B C L K R o D A T A R B 1 6 1 5 1 4 1 3 1 2 S 4 1 1 S 1 1 0 S 2 9 S 3 IR R H T 8 2 M 3 9 8 A Note: R depends on IR characteristics, R=1kW for reference only Rev. 1.40 5 October 12, 2006 HT82M398A Package Information 16-pin DIP (300mil) Outline Dimensions A B 1 6 9 8 1 H C D a G E I F Symbol A Rev. 1.40 Dimensions in mil Min. Nom. Max. 745 ¾ 775 B 240 ¾ 260 C 125 ¾ 135 D 125 ¾ 145 E 16 ¾ 20 70 F 50 ¾ G ¾ 100 ¾ H 295 ¾ 315 I 335 ¾ 375 a 0° ¾ 15° 6 October 12, 2006 HT82M398A 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: 0755-8616-9533 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 Holmate Semiconductor, Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holmate.com Copyright Ó 2006 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 7 October 12, 2006