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Part Number: TMS570LS0232
HET of TMS570LS 02x/03x/04x only has 4 even pins, and 128 words of instruction.
The even pins are the ones bonded out to the package.The logic for the 'odd' pins is implemented. So you can write the program to toggle the odd pins, and the XORSHARE will combine the odd pin and even pin (from HET program view) onto the even physical pin using the XOR function to resolve the two inputs.
Ex. you can set XORSHARE between pins 0 and 1. Write software to toggle pins 0 and 1 in HET. With XORSHARE turned on what comes out physical HET pin 0 is the XOR of logical pin 0 and logical pin 1.
Actually we prioritize the even pins on the HET to come out of the smaller pin count packages because they are most useful.. they can be toggled individually, or with XORSHARE or ANDSHARE modes.
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In reply to Anthony F. Seely:
In HET IDE，if the device is TMS570LS 02x, only four XOR channels can be actived. In Motor control application, at least 6 channels needed.
In reply to user1355220:
Thanks and Regards,
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