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sharing a 23k256 RAM — Parallax Forums

sharing a 23k256 RAM

dr hydradr hydra Posts: 212
edited 2011-04-22 07:21 in Propeller 1
Can two microcontrollers (AVR and Propeller or Propeller and Propeller) share a 23K256. The system I have in mind would use two microcontrollers. The first is the main processor and the second would be a GPU. They would share a 23K256 for screen updates. Both would have access to the SCLK, MISO, and MOSI signals (just at different times). The main processor updates the 23K256 during the screen rendering and then during the VBlank the propeller accesses the 23K256 for the next frame data
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