at83c21gc ATMEL Corporation, at83c21gc Datasheet - Page 2

• Manufacturer Part Number: at83c21gc
• Description: Gemcore Serial Lite Pro
• Manufacturer: ATMEL Corporation

The connection with the host processor is achieved via a serial asynchronous link; the rate can
be selected from a range from 1200 to 115,200 bps.
The software inside the GemCore chip handles a communication protocol with the host system
called the Gemplus Block Protocol (GBP).
A c o m p l e t e s e t o f d o c u m e n t a t i o n i s a v a i l a b l e o n t h e G e m p l u s w e b s i t e :
http://www.gemplus.com.
A GBP Interface Library Kit can be provided, upon request. It consists of the source code of the
GBP communication layer between the host and GemCore. It is written in the C language. See
the Gemplus developers’ site at www.gemplus.com. Enquiries can also be posted to
[e-mail].
For general information on the device, please refer to the AT83C5121 datasheet available on
the Atmel web site, www.atmel.com.
AT83C21GC
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4247DS–SCR–03/07