[CHESEN ELECTRONICS CORP.

Features
● Cost effective solution for low speed USB or PS/2 mouse peripheral
● Built-in 65C02 8 Bit CPU
   - 6MHz external ceramic resonator
   - 3MHz internal CPU clock
   - 256 bytes RAM
   - 8 Kbytes ROM
   - Internal 3.3V regulator for USB pull-up resistor
   - Auto configure to operate as USB or PS/2 interface
● USB specification compliance:
   - Conforms to USB specification, version 1.1
   - Conforms to USB HID specification, version 1.1
   - Supports 1 low speed device address and 3 endpoints
   - 8 bytes FIFO for each endpoint
   - Integrated USB transceiver
● Compatible with PS/2 protocol
● Built-in power-on reset & watchdog timer reset
● One 8 bits timer
● Compatible with Microsoft® scrolling mouse
● Support standard 3 dimension 3 keys mechanical/optical mouse functions
● 400/800 cpi resolution auto configured with best fit to sensor
● Sensor types support
   - Ball (Mechanical/Semi-optical)
   - Agilent: H2000; A2051; A2610
   - Pixart: PAN101
   - @lab: ATA1080
● 1:2 Z axis input
● Auto configuration with the interface attach to
● 18-pin PDIP package
● Embedded customized function
   - 400/800 cpi manual configuration
   - Support 4 dimension
   - Max. 5 key support
   - Optional 1:1/1:4/1:10 Z axis ratio
   - Optional 90/180 degree sensor position rotation
   - Dice form or other package type