Wip4c

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Swifi

ECOs

1. PFB1, PFB2 land patterns need to be reversed.
2. PFUP1 should call out a RA header.

assembly status / build variations

• 1 - 10-24-09 : assembly completed, firmware loaded, seems to work well. (CEB has at lab 10-30-09)
  • local ISP connector populated w/right angle.
  • populated the 9x1mm vertical connectors (PFB1, PFB2) backwards to correct for incorrect land pattern.

• 2

assembly files

• SCH
• power supply sch
• BOM
• TOP
• BOT
• Gerbers GCP9 viewer
• partslist

future changes

• put a 0 ohm shut at the output of the switching power supply - allows testing of the power supply and measurement of current.

known issues

• connecting PSER1c to the right angle SC port, appears to interfere with MPD comm
  • need to think about the resistors used to or the signals - or install larger resistors on PSER1c. The PSER is using 102 (1k) resistors.
  • WIP4c also uses 1k on its TX signal - PSER1c should increase to 5k? but worry that could cause problems w/use at high speed....