CSC0101/CSC0101A,pdf,datasheet

The CHESEN CSC0101A is an integral micro-controller for
converting PS/2 interface signal to USB applications, which
includes 8 bits high performance micro-controller core,
combined USB1.1 low-speed interface and dual PS/2
handler module. It is ideal for the legacy system support,
enabling seamless connections of traditional PS/2 interfaces
devices of mouse and keyboard to USB.
The CSC0101A is a USB 1.1 low-speed compliant device
that interfaces to PS/2, it support the Human Interface
Device (HID) class specification. The CSC0101A handles
the merging of the PS/2 data and sends the data to the host
system via the USB port.

Features
♦ Interface legacy PS/2 devices to USB
♦ Provides two PS/2 port
♦ PS/2 ports support 3 dimensions 3keys wheel
mouse and multimedia keyboard function
♦ No driver needed
♦ Hot pluggable
♦ USB Specification 1.1 low-speed compliant
♦ PS/2 ports are auto selectable and hot swappable
♦ Mice or keyboard can be used in either port
without limitation
♦ Cost-effective and easy to implement for PS/2 to
USB bridge solution
♦ SOP-16 package or dice form