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The reason for the divide-by-two is that it makes a cheap pulse stretcher. The resulting pulse stream is usually fat enough to be processed by low-speed counters.
Marked-up schematic for ToprCmp2FPGA:
| View file |
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| name | ToprCmp2FPGA_TT064.PDF |
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| height | 250 |
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FPGA is simply a pair of toggle flip-fops. Put schematic here:
ToprDout2 schematic (no changes):
| View file |
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| name | ToprDout2.PDF |
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| height | 250 |
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The baseboard is a TipTop1590G with only the 5V regulator installed:
| View file |
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| name | TipTop1_TT064.PDF |
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| height | 250 |
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| View file |
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| name | TipTop2_TT064.PDF |
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| height | 250 |
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