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Updated 6809E CPU Adapter (markdown)

David Banks 2019-12-08 15:46:17 +00:00
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6809E-CPU-Adapter.md

@ -106,6 +106,7 @@ Pay particular attention to the orientation of the two schottky diodes (D4,D5).
If you struggle to solder fine-pitch parts, the three 74LVT125 devices (U7-9) can be omitted. You will loose two features:
- the external trigger capability (which allows a breakpoint to be qualified by a function of two external signals)
- the TSC capability (a RnW cannot now be tristated).
If you do omit U7, make sure to bridge the solder-jumper JP1
## FPGA Firmware