Info Details Boot Sequence Boards Programming Tools
Info
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Details
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A "Hub" controls the cogs | |||||||||||||||||||||||||||||||||||||||||||||||
All cogs share the same 32 I/O Pins, P0-P31 and 32 direction bits
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Boot Sequence |
Power or reset applied
After 50 ms, clock switches from 20 kHz RC to 12 MHz RC
Cog 0 loads and runs "Boot Loader" from hub ROM
Boot Loader checks for computer listening on serial port of I/O pins P30 and P31.
If found, computer can either transfer a program to hub RAM and optionally to external EEPROM. If successful, jumps to step 7, otherwise continues to step 5. | |
Computer can also instruct Propeller to suspend operation. |
If found, 32 kB is transferred from EEPROM to hub RAM. If successful, jumps to step 7. |
Boards & Kits |
There are two boards available from Parallax, Demo and Proto:
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Parallax also offers the Hydra game development kit (so you can make your own 80's style arcade games) | |||||||||||||
Some new boards can be found in the user Forum
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Programming
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