FreeCalypso > hg > freecalypso-hwlab
comparison eeproms/jtagbuf @ 167:8ffcd88d40c3
eeproms: fc-jtag gives way to jtagbuf
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 31 Jul 2023 00:34:38 +0000 |
| parents | eeproms/fc-jtag@60b8cf977c3f |
| children |
comparison
equal
deleted
inserted
replaced
| 166:ef1b8b6c4aee | 167:8ffcd88d40c3 |
|---|---|
| 1 # There exists a tentative plan in FreeCalypso queendom to produce a buffered | |
| 2 # JTAG adapter design, tentatively named FreeCalypso JTAGbuf. It is envisioned | |
| 3 # as being an FT2232H-based adapter (the previous plan was FT2232D, but that | |
| 4 # chip is now NRND, and the Calypso chip's maximum JTAG TCK frequency of 10 MHz | |
| 5 # can be achieved only with FT2232H) with LVC buffers between the FTDI chip's | |
| 6 # fickle I/O pins and the JTAG target connection interface. | |
| 7 # | |
| 8 # The present EEPROM configuration is intended for this planned future | |
| 9 # FreeCalypso JTAGbuf adapter; it is vaporware, but the present config source | |
| 10 # file takes the place of much older (also vaporware) fc-jtag config that went | |
| 11 # back to the beginning of freecalypso-hwlab Hg repository. | |
| 12 | |
| 13 vid 0x0403 # FTDI | |
| 14 pid 0x7151 # Allocated by FTDI to Falconia Partners LLC | |
| 15 manuf FreeCalypso | |
| 16 product Buffered JTAG Adapter | |
| 17 | |
| 18 # Try to be nice to Weendoze lusers (or should it be Losedows?) | |
| 19 | |
| 20 byte00 0x00 # Channel A driver: D2XX | |
| 21 byte01 0x08 # Channel B driver: VCP |