In SX Microcontrollers, SX/B Compiler and SX-Key Tool, oliverb wrote:

Hi Guys,
If you want to make your device a real HID product, then you have several options. The first is the Silicon Labs C8051F340 which is an 8051 part that can be configured as a virtual com port or HID type device with 3 Endpoints. This is a very tiny chip and the support tools are excellent. It's supported by the GNU SDCC compiler and the Silicon Labs IDE integrates the SDCC compiler seamlessly. There are also several parts from Cypress that will do the job in the same fashion. The Cypress parts are more flexible and use the M8 core which is a supserset of the 8-51 that has some very nice features. I'm doing a book on the Cypress development platform (PSoC Express) which makes building a USB interface completely visual. That will be out in November. Either of these solutions will give you path to building a true HID device while starting out with a virtual com port device for prototyping. Both companies are excellent to work with and support their products to the highest level. I find the FTDI chips to be ex
cel

Regards,
Oliver

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