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The Treo 600 is Handspring's popular PDA/phone combo terminal, based on the Palm OS and-in the case of the unit analyzed here-incorporating a GSM cellular radio. As is often the case, analog components are key to making this digital Wunderkind fly.
Electronics reside primarily on the single Main Board where a Texas Instruments OMAP310 applications processor forms the computational heart of the Treo 600. 32Mbytes of Infineon Mobile RAM for working memory and 8MBytes of AMD NOR flash take care of code store and user non-volatile memory. The integrated camera from Micron Technologies includes a 10-bit A/D converter to enable a direct interface...