On Saturday 10 June 2006 17:58, Hamish wrote: > On Saturday 10 June 2006 16:40, Hamish wrote: > > > In addition, should we be doing anything with the WP and HOLD pins of the > > SPI? They don't seem to be defined as an output for the module like the > > other SPI input pins... Is hold simply to be tied and WP jumpered? Or > > something else? > > Ah. Found this bit in the RevB schematics... They appear to be tied to Vcc? > No write protect then? Is there any advantage to connecting WP_ to the XP6? > (Are there any pins free on the XP6 to tie it to? If the XP6 can come up > with WP_ low, then we can prevent spurious code from over-writing the SPI > by accident (Or at least till something calls a write_enable function > first).
*boggle* Perhaps Timothy can help out here... I was under the impression that it was a good idea to connect unused pins to rails through pull-up/pull-down resistors rather than directly...? Peter -- Quake II build tools maintainer http://tinyurl.com/fkldd v2sw6YShw7$ln5pr6ck3ma8u6/8Lw3+2m0l7Ci6e4+8t4Eb8Aen5+6g6Pa2Xs5MSr5p4 hackerkey.com
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