XGS AVR 8-Bit and XGS PIC 16-Bit Development Systems
Released on December 26, 2008, the XGS AVR 8-Bit and XGS PIC 16-Bit development systems are embedded system development kits, meant to be very competitive entry/midrange development kits for their respective microcontrollers. The systems were designed together and so share much of the same design other than the main processor. The video signal is generated in software like the XGS Micro and Pico Editions; however, there is color helper hardware to generate the colorburst part of the video signal. The audio signal is also generated directly by the microcontroller. For input, like the XGS Micro, two DB-9 ports and a PS/2 port are supplied. However, instead of being compatible with Atari joysticks, the DB-9 ports are compatible with Nintendo gamepads (though directly connecting an NES or SNES controller would require a pin adapter). Unlike the prior XGS and Hydra systems, programming is primarily in C/C++, utilizing system-specific libraries, though assembly programming and a custom written XGS Basic are also available. The XGS Basic code runs on both systems without modification. Unlike the XGS Micro Edition, code cannot be edited on the system itself - a PC is required. The XGS AVR 8-Bit processor is an Atmel MEGA AVR 644P with 64K FLASH and 4K SRAM running at over 28 MIPS. The XGS PIC 16-Bit processor is a PIC24 with 256K FLASH and 16K SRAM running at over 40 MIPS.
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