Details, datasheet, quote on part number: HT82M25A
PartHT82M25A
CategoryInterface and Interconnect => Keyboard & Mouse Controllers
Description3/5-Key USB+PS/2 Optical Mouse Controller

General Description

These devices are Plug and Play Windows 2000 and 5-button 3D USB+PS/2 Mouse controllers. Fully supporting the USB standard request as well as HID Class Request version 1.1, they are compatible with Microsoft Intelli 3D or Windows 2000 5 key PS/2 mouse. The Z-axis can support two kinds of scroller input, both optomechanical and mechanical. The devices require a minimum of external components to implement a 3D or Windows 2000 5 key USB plus PS/2 mouse. All of the device features in combination provide a versatile Holtek MCU with fully integrated USB interface logic. The USB is specified by the Universal Serial Bus Specification V2.0.
CompanyHoltek Semiconductor Inc.
DatasheetDownload HT82M25A datasheet
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Features, Applications
Features

Operating voltage: 4.4V~5.25V Compatible with Microsoft Windows 2000 and USB transceiver Single chip solution especially for USB mouse

Power down function and wake-up feature reduce
Supports 3/5 buttons and Z-axis input Z-axis can support two kinds of scroller input

Plug and Play functions Minimal external components 6MHz crystal system clock oscillator Interface compliant with ADNS-5020 Passed WHQL, USB-IF and EMC testing Range of packaging types

3 key or 5 key mode can be selected by package Complete Universal Serial Bus spec. V2.0

These devices are Plug and Play Windows 2000 and 3D USB+PS/2 Mouse controllers. Fully supporting the USB standard request as well as HID Class Request version 1.1, they are compatible with Microsoft Intelli 3D or Windows 2000 5 key PS/2 mouse. The Z-axis can support two kinds of scroller input, both optomechanical and mechanical. The devices require a minimum of external components to implement 3D or Windows 2000 5 key USB plus PS/2 mouse. All of the device features in combination provide a versatile Holtek MCU with fully integrated USB interface logic. The USB is specified by the Universal Serial Bus Specification V2.0. The USB vendor ID for the devices is defined as 04D9H, the USB product ID is different for different packages.

Part No. HT82M25C HT82M25C-1 Interface USB and PS/2 USB and PS/2 USB and PS/2 USB and PS/2 USB only USB only Mode Windows 2000 Windows 2000 3D USB Product 1135H 1133H Package 20DIP/SOP 18DIP/SOP

Pin Name VSS V33O USBD+/CLK USBD-/DATA RESET NRESET DPI_SEL SDIO SCLK/Z_SEL I/O ¾ O I/O I I/O I I/O Negative power supply, ground 3.3V voltage output 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 Chip reset input, low active Reset pin for Agilent sensor IC 1 (N/C): 500dpi 0 (GND): 1000dpi Serial data for Agilent sensor IC SDIO Serial data for Agilent sensor IC SCLK 1 (N/C): z-axis is divided 2 0 (pull-down): z-axis is divided by 4 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. Z-axis input supports two kinds of scroller input; optomechanical and mechanical. LED drive output 5V positive power supply 6MHz OSC output 6MHz OSC input Description

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 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. Storage to 125°C Operating to 70°C


 

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HT82M25A-1
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