HT82M98A datasheet - 3d Usb+ps2 Mouse

Details, datasheet, quote on part number: HT82M98A
PartHT82M98A
CategoryInterface and Interconnect
Description3d Usb+ps2 Mouse
CompanyHoltek Semiconductor Inc.
DatasheetDownload HT82M98A Datasheet
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Features, Applications
Features

Operating voltage: 4.4V~5.25V Complete Universal Serial Bus specs V1.1 Single chip solution especially for USB mouse

HALT function and wake-up feature reduce power
Serial Bus Interface Engine (SIE) USB transceiver Microsoft 3D Intelli mouse and IBM PS/2 mouse

Plug and Play functions Minimal external components 6MHz crystal oscillator for system clock 18-pin DIP package

a 3D mouse controller especially designed for USB and PS/2 applications. The HT82M98A can support the USB Standard Request as well as HID Class Request version 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 input, namely; optomechanical and mechanical. It requires minimal external components to implement 3D USB plus PS/2 mouse. It can be briefly described as a Holtek 8-bit MCU with an on-chip USB interface logic. The USB is specified by the Universal Serial Bus Specification V1.1.

Pin No. Pin Name I/O Description USB Interface (2 pins) 3 4 USBD+/CLK USBD-/DATA R, M I/O USB data plus or PS2 Clock, F/W auto-detect USBD+ for USB, CLK for PS2 USB data minus or PS2 Data, F/W auto-detect USB- for USB, DATA for PS2 X-axis photo input with built-in Holtek s special dynamic photo input resistor Y-axis photo input with built-in Holtek s special dynamic photo input resistor Z-axis input supports two kinds of scroller input; optomechanical and mechanical Input ports with pull-high resistor. These pads can function as Left, Right and Middle button input lines.

Miscellaneous (7 pins) VSS V33O RESET LED VDD O I I/O O I Negative power supply, ground 3.3V voltage output Chip reset input, low active Drives LED output 5V positive power supply 6MHz OSC output 6MHz OSC input

Supply to VSS+6V MCU Input to VDD+0.3V USB Input to V33O+0.3V 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. Storage to 125�C Operating to 70�C

Symbol VDD IDD ISTB VIH2 VIH3 VPOR IOH1 IOL2 Parameter Operating Voltage Operating Current (Crystal OSC) Standby Current Input Low Voltage for I/O Ports Input High Voltage for MCU I/O Ports Input Low Voltage (RESET) Input High Voltage (RESET) Input High Voltage for USB I/O Ports Power on Reset VDD Detection Voltage Output Port Sink Current Output Port Source Current Output Port Sink Current (LED) Test Conditions VDD VOL=0.5V VOL=4.5V Conditions � USB mode No load, fSYS=6MHz PS/2 mode No load, system HALT Min. Typ. Max. Ta=25�C Unit V mA

Symbol fSYS tOST Parameter System Clock (Crystal OSC) Oscillation Start-up Timer Period Test Conditions VDD 5V � Conditions � Power-up or wake-up form HALT Min. 0 � Typ. 6000 1024 Max. �


 

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