[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