Cypress, the world leader in USB controllers has reinvented its leadership position in the low speed USB market with a new family of innovative microcontrollers. With the microcontrollers, the peripheral developers are able to design new products with a minimum number of components.
The enCoRe II USB technology builds on the enCoRe family which has an integrated oscillator that eliminates the external crystal or resonator, reducing overall cost. Also integrated into this chip are other external components commonly found in low speed USB applications, such as pull-up resistors, wakeup circuitry, and a 3.3V regulator. The overall system cost is going to be reduced by Integrating these components.
The enCoRe II is an 8-bit flash programmable microcontroller with an integrated low speed USB interface. Despite the microcontrollers may be used for a variety of other embedded applications, the instruction set is ideal specifically for USB and PS/2 operations.
Cypress offers a complete design for a USB or PS2 mouse in a cost effective and space-saving solution. This reference design is a fully functional product that complies with all applicable USB, PS/2, and WHQL specifications.
Features
• USB or PS/2 support
• May be customized for full combi support
• No external transistors or pull-ups
• 3 buttons with I/O for 6-10 more
• CY7C638xx device family
• Capable of interface auto detection
• Internal crystal-less oscillator
• Proprietary 8-bit RISC processor, optimized for USB and PS/2
• Up to 8KB of internal flash
• USB 2.0 specification compliant
• WHQL compliant
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