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HT82M35X
3/5-Key 3D PS/2 Optical Mouse Controller
Feature
* Operating voltage: 4.0V~5.5V * Microsoft 3D Intelli mouse and IBM PS/2 mouse * Serial interface with ADNS-5020 * Auto detect as to which photo sensor is used * 2MHz RC oscillator for system frequency with
compatible
* Microsoft Windows 2000 and 5-button Wheel mouse
external pull-high resistor (140kW)
* Interface compliant with ADNS-5020 * 16-pin DIP package
compatible
* Z-axis can support two kinds of scroller input
divided by 2 or 4 (package option)
* Supports 500 or 1000 DPI for ADNS-5020
(package option)
General Description
The HT82M35X are designed as 3/5-key 3D PS/2 optical mouse controller. These have serial interface to access the sensor ADNS-5020 or the same compatible series sensor. Refer to the datasheets for detailed register descriptions of the sensors.
Selection Table
Part No. HT82M35A/HT82M35A-1 HT82M35B/HT82M35B-1 3/5-key 3D PS/2 optical mouse controller HT82M35C/HT82M35C-1 (for Avago ADNS-5020) HT82M35D/HT82M35D-1 Interface X/Y-axis Option Avago Sensor Opto 500 DPI Avago Sensor Opto 1000 DPI Avago Sensor Opto 500 DPI Avago Sensor Opto 1000 DPI Z-axis Option Divided by 2 Divided by 2 16 DIP Divided by 4 Divided by 4 Package
Pin Assignment
RB 1 2 3 4 5 6 7 8 82 82 82 82 M3 M3 M3 M3 5A 5B 5C 5D 16 /H /H /H /H T8 T8 T8 T8 D IP LB Z 2 /A Z 1 /B RB1 S D IO SCLK VSS HT HT HT HT 16 15 14 13 12 11 10 9 2M 2M 2M 2M -A 35 35 35 35 RO RB0 PS2D PS2CK NC OSC1 VDD RES ABCD1 1 1 1
Rev. 1.00
1
May 30, 2007
Preliminary
Pin Description
Pin Name RB, RO, LB I/O I Description Right Button: Normal pull-high resistor (30kW) Rolling Button: Normal pull-high resistor (30kW) Left Button: Normal pull-high resistor (30kW) Z axis input supports three kinds of scroller input Normal pull-high resistor (30kW) Input ports with 30kW pull-high resistor
HT82M35X
Z2/A, Z1/B RB1, RB0 SDIO SCLK VSS RES VDD OSCI NC PS2CK PS2D
I I
I/O Serial data for Agilent sensor IC SDIO O Serial data for Agilent sensor IC SCLK
3/4 Negative power supply, ground I Chip reset input, low active
3/4 5V positive power supply I 2MHz RC oscillator for system frequency with external pull-high resistor (140kW)
3/4 No connection I/O PS/2 mouse CLK line I/O PS/2 mouse data line
Absolute Maximum Ratings
Supply Voltage ...........................VSS-0.3V to VSS+6.0V Input Voltage ..............................VSS-0.3V to VSS+6.0V Storage Temperature ............................-50C to 125C Operating Temperature...........................-40C to 85C
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.
D.C. Characteristics
Symbol VDD IDD VIL1 VIH1 VIL2 VIH2 IOL IOH RPH Parameter Operating Voltage Operating Current Test Conditions VDD 3/4 5V Conditions fSYS=2MHz No load, fSYS=2MHz 3/4 3/4 3/4 3/4 VOL=0.1VDD VOL=0.9VDD 3/4 Min. 4.0 3/4 0 0.7VDD 0 0.9VDD 10 -2 10 Typ. 5.0 2.5 3/4 3/4 3/4 3/4 20 -4 30 Max. 5.5 4 0.3VDD VDD 0.4VDD VDD 3/4 3/4 50
Ta=25C Unit V mA V V V V mA mA kW
Input Low Voltage for RB, LB, RO, Z1, 3/4 Z2, RB1, RB0, SDIO, PS2CK and PS2D Input High Voltage for RB, LB, RO, Z1, 3/4 Z2, RB1, RB0, SDIO, PS2CK and PS2D Input Low Voltage for RES Input High Voltage for RES I/O Port Sink Current I/O Port Source Current 3/4 3/4 5V 5V
Pull-high Resistance for RB, LB, RO, Z1, 5V Z2, RB1, RB0, SDIO, PS2CK and PS2D
Rev. 1.00
2
May 30, 2007
Preliminary
A.C. Characteristics
Symbol tWDTOSC tWDT1 tRES Parameter Watchdog Oscillator Period Watchdog Time-out Period External Reset Low Pulse Width Test Conditions VDD 5V 5V 3/4 Conditions 3/4 Without WDT prescaler 3/4 Min. 32 8 1 Typ. 65 17 3/4
HT82M35X
Ta=25C Max. 130 33 3/4 Unit ms ms ms
Functional Description
PS/2 Mouse
* PS/2 status byte
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, else negative Button status: 1=pressed, 0=released
* Mouse mode changes between Standard and 3D
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)
* Standard PS/2 data format
PS/2 mode Sending the commands in the following sequence will set the mouse to 3D PS/2 mode. Command F3h C8h F3h 64h F3h 50h 0 F2h X0 Y0 Response From Mouse FAh FAh FAh FAh FAh FAh FAh, 03h
Variable rps, 0, 8, 1, bidirectional, synchronous Bit No. 1st word 2nd word 3rd word 7 X7 Y7 6 X6 Y6 5 X5 Y5 4 X4 Y4 3 1 X3 Y3 2 X2 Y2 1 X1 Y1 YV XV YS XS MB RO LB
* Mouse mode changes between Standard and Win2K
* Data format for 3D PS/2
PS/2 mode. Sending the commands in the following sequence will set the mouse to Win2K PS/2 mode. Command Response From Mouse FAh FAh FAh FAh FAh FAh FAh, 04h
Variable rps, 0, 8, 1, bidirectional, synchronous Bit No. 1st word 2nd word 3rd word 4th word 7 X7 Y7 Z7 6 X6 Y6 Z6 5 X5 Y5 Z5 4 X4 Y4 Z4 3 1 X3 Y3 Z3 2 X2 Y2 Z2 1 X1 Y1 Z1 0 X0 Y0 Z0 YV XV YS XS MB RO LB
F3h C8h F3h C8h F3h 50h F2h
The x/y data report is 9-bit 2s complement The z data report is 8-bit 2s complement
* Data format for 5-button Wheel Mouse
Bit No. 1st word 2nd word 3rd word 4th word
7 0 X7 Y7 0
6 0 X6 Y6 0
5 X5 Y5
4 X4 Y4
3 1 X3 Y3
2 X2 Y2 Z2
1 X1 Y1 Z1
0 X0 Y0 Z0
YS XS
MB RO LB
Any time the PC sends a reset FFh 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.
RB1 RB0 Z3
Rev. 1.00
3
May 30, 2007
Preliminary
Timing Diagrams
Z-Axis Photo-coupler Cross Width
Z1 Z2 tr N o te : F o r Z - a x is tr, tp , tf > 1 m s tp tf
HT82M35X
Z-Axis Counting
Z1 Z2 +1 +1 -1 -1
PS/2 Mouse
* Data output
(1 ) CLK
(3 )
1st CLK
(3 )
2nd CLK
(3 )
(3 )
1 0 th CLK
(4 )
1 1 th CLK
T6
T3 (2 ) DATA T1 S ta r t B it T2
T4 B it 0 P a r ity B it
T5
(5 )
(7 )
S to p B it (6 )
T im in g P a r a m e te r
M in ./M a x . 5 /2 5 m s e c 5 /T 4 -5 m s e c 3 0 /5 0 m s e c 3 0 /5 0 m s e c >0 msec <50 msec
T1 T2 T3 T4 T5
T6
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 R is in g e d g e o f C L K to D A T A tr a n s itio n In a c tiv e C L K D u r a tio n 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 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 th a t th 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 ) CLK (2 ) I/O In h ib it (4 ) 1 s t CLK 2nd CLK 9 th CLK 1 0 th CLK 1 1 th CLK (8 ) (6 ) P a r ity B it (5 ) S to p B it (7 )
T7 T9 DATA S ta r t B it (3 )
T8 B it 0 (5 )
T im in g P a r a m e te r T7 T8 T9 C L K D u r a tio n , lo w C L K D u r a tio n , h ig h 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
M in ./M a x . 3 0 /5 0 m s e c 3 0 /5 0 m s e c 5 /2 5 m s e c
Rev. 1.00
4
May 30, 2007
Preliminary
Application Circuits
2D PS/2 Optical Mouse for ADNS-5020
V
DD
HT82M35X
100mF 470pF J1 DA C V G G CO 1 2 3 4 5 R L SW 2 1 2 SW 4 4 5 6 7 8 3 U1 PA PA PA PA PB PB PB VS 68W 3 /R 2 /L 1 /Z 0 /Z 2 /R 1 /H 0 /H S P A 4 /M P A 5 /R B B P A 6 /P S 2 1 P A 7 /P S 2 C 2 OSC B1 PD OSC PCK VD RE B D S HT82M 35X S D IO SCLK B D K 2 1 9 0 16 15 14 13 12 11 10 3 140kW 47kW 0 .1 m F D IO D E 0 .1 m F 4 2 M SW 3 1 S D IO XY_LED NRESET NCS SCLK REG0 GND VDD5 5 6 7 8 68W 470pF 4 .7 k W 4 .7 k W
100W LED
TA LK DD ND ND N5
3mF 0 .1 m F
0 .1 m F 4 .7 m F
A D N S -5 0 2 0
3D PS/2 Optical Mouse for ADNS-5020
V
DD
C
E ncoder A B SW 2 R 1 2 L SW 4 3 4 5 6 7 8 68W U1 PA PA PA PA PB PB PB VS 68W 3 /R 2 /L 1 /Z 0 /Z 2 /R 1 /H 0 /H S B
100mF 470pF 470pF 4 .7 k W 4 .7 k W
100W LED
J1 DA C V G G CO
TA LK DD ND ND N5 2 3 4 5
1
P A 4 /M P A 5 /R B P A 6 /P S 2 1 P A 7 /P S 2 C 2 OSC B1 PD OSC PCK VD RE B D
B D K 0
16 15 14 13 2 1 9 12 11 10 M
SW 3 1 2 3 140kW 47kW 0 .1 m F D IO D E 0 .1 m F 4
S D IO XY_LED NRESET NCS
SCLK REG0 GND VDD5 5 6 7
8
3mF 0 .1 m F
0 .1 m F 4 .7 m F
S
HT82M 35X S D IO SCLK
A D N S -5 0 2 0
Win2K PS/2 Optical Mouse for ADNS-5020
V
DD
C
E ncoder A B SW 2 R 1 2 L SW 4 3 4 5 SW 6 6 7 8 B5 68W U1 PA PA PA PA PB PB PB VS 68W 3 /R 2 /L 1 /Z 0 /Z 2 /R 1 /H 0 /H S B
100mF 470pF 470pF 4 .7 k W 4 .7 k W
100W LED
J1 DA C V G G CO
TA LK DD ND ND N5 2 3 4 5
1
P A 4 /M P A 5 /R B P A 6 /P S 2 1 P A 7 /P S 2 C 2 OSC B1 PD OSC PCK VD RE B
16 M B 15 B4 0 14 D 13 K 12 2 11 1 10 D 9 S
SW 3 SW 5 1 2 3 140kW 47kW 0 .1 m F D IO D E 0 .1 m F 4
S D IO XY_LED NRESET NCS
SCLK REG0 GND VDD5 5 6 7
8
3mF 0 .1 m F
0 .1 m F 4 .7 m F
HT82M 35X S D IO SCLK
A D N S -5 0 2 0
Rev. 1.00
5
May 30, 2007
Preliminary
Package Information
16-pin DIP (300mil) Outline Dimensions
A 16 B 1 9 8
HT82M35X
H C D E F G
a
I
Symbol A B C D E F G H I a
Dimensions in mil Min. 745 240 125 125 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. 775 260 135 145 20 70 3/4 315 375 15
Rev. 1.00
6
May 30, 2007
Preliminary
HT82M35X
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: 86-21-6485-5560 Fax: 86-21-6485-0313 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: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9722 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752 Fax: 86-10-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 86-28-6653-6590 Fax: 86-28-6653-6591 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 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.
Rev. 1.00
7
May 30, 2007

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