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HT82M35X Dataheets PDF



Part Number HT82M35X
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description 3/5-Key 3D PS/2 Optical Mouse Controller
Datasheet HT82M35X DatasheetHT82M35X Datasheet (PDF)

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 .

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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 optiwww.DataSheet4U.com cal 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 R B 1 2 3 4 5 6 7 8 8 2 8 2 8 2 8 2 M 3 M 3 M 3 M 3 5 A 5 B 5 C 5 D 1 6 /H /H /H /H T 8 T 8 T 8 T 8 D IP L B Z 2 /A Z 1 /B R B 1 S D IO S C L K V S S H T H T H T H T 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 2 M 2 M 2 M 2 M -A 3 5 3 5 3 5 3 5 R O R B 0 P S 2 D P S 2 C K N C O S C 1 V D D R E S A B C D 1 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) ²Z² 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 I I I/O Serial data for Agilent sensor IC SDIO O Serial data for Agilent sensor IC SCLK ¾ Negative power supply, ground I Chip reset input, low active ¾ 5V positive power supply I 2MHz RC oscillator for system frequency with external pull-high resistor (140kW) www.DataSheet4U.com OSCI NC PS2CK PS2D ¾ 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 ............................-50°C to 125°C Operating Temperature...........................-40°C to 85°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. D.C. Characteristics Symbol VDD IDD VIL1 VIH1 VIL2 VIH2 IOL IOH RPH Parameter Operating Voltage Operating Current Test Conditions VDD ¾ 5V Conditions fSYS=2MHz No load, fSYS=2MHz ¾ ¾ ¾ ¾ VOL=0.1VDD VOL=0.9VDD ¾ Min. 4.0 ¾ 0 0.7VDD 0 0.9VDD 10 -2 10 Typ. 5.0 2.5 ¾ ¾ ¾ ¾ 20 -4 30 Max. 5.5 4 0.3VDD VDD 0.4VDD VDD ¾ ¾ 50 Ta=25°C Unit V mA V V V V mA mA kW Input Low Voltage for RB, LB, RO, Z1, ¾ Z2, RB1, RB0, SDIO, PS2CK and PS2D Input High Voltage for RB, LB, RO, Z1, ¾ 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 ¾ ¾ 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 ¾ Conditions ¾ Without WDT prescaler ¾ Min. 32 8 1 Typ. 65 17 ¾ HT82M35X Ta=25°C Max. 130 33 ¾ 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 www.DataSheet4U.com 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 .


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