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vr2045 edited this page Jun 19, 2022
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Welcome to the wiki!
- RP2040 with dedicated Flash (>= 2MB): 4 MB selected
- ICE40UP5K FPGA with dedicated flash (>= 2MB): 4MB selected
- Micro USB connector or USBC: Micro USB
- FPGA programming from the RP2040
- TBD additional lines from the RP2040 to the FPGA for misc data transfer: using 8 wires for this.
- RP2040 can program FPGA flash (Flash boot) as well as FPGA directly (SRAM mode)
- RP2040 exposes Flash as a flash drive for drag-drop programming of the FPGA
- Reset button to the RP2040
- Dedicated pushbutton for RP2040 and FPGA
- Dedicated LED for RP2040 (3 color?), 3 color LED for FPGA
- Clean 12MHz clock: RP2040 supplies a clock to the FPGA using GPIO_0
- All FPGA pins brought out to headers: Done
- All RP2040 pins brought out to headers: Most pins are brought out.
- As many pins on PMOD ports as possible: We have 3 dual-PMOD (FPGA) and 1 dual PMOD (PICO)
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