Difference between revisions of "Pser2h"
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*[http://18.85.17.197/for_wiki/pser2h/pser2h.gwk Gerbers] | *[http://18.85.17.197/for_wiki/pser2h/pser2h.gwk Gerbers] | ||
*[http://18.85.17.197/for_wiki/pser2h/pser2h_bom.html BOM] | *[http://18.85.17.197/for_wiki/pser2h/pser2h_bom.html BOM] | ||
+ | |||
+ | |||
+ | |||
+ | =known issues= | ||
+ | *EEPROM lacks pull up on EECS | ||
+ | *Need 10K resistor pack for RE2 (has 1k) | ||
+ | ==ECO== | ||
+ | *cut trace to RE2, pin3 | ||
+ | *run wire from RE2.3 to UE1.1 | ||
=serial numbers= | =serial numbers= | ||
* 1 - assembled 10-15-09; tested both isolated serial port; ISP not programed. | * 1 - assembled 10-15-09; tested both isolated serial port; ISP not programed. | ||
− | == | + | ** has 1 ISP connector and uses ISP switch |
+ | ** after addition of EEPROM - doesn't enumerate | ||
+ | * 2 - assembled 10-16-09; | ||
+ | **has 2 ISP connectors. | ||
+ | ** after addition of EEPROM - doesn't enumerate | ||
+ | |||
+ | ==assembly mods== | ||
+ | * RE2 will be 10k not 1k | ||
* 4.7uF replaced w/10uF | * 4.7uF replaced w/10uF |
Revision as of 23:37, 17 October 2009
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assembly files
known issues
- EEPROM lacks pull up on EECS
- Need 10K resistor pack for RE2 (has 1k)
ECO
- cut trace to RE2, pin3
- run wire from RE2.3 to UE1.1
serial numbers
- 1 - assembled 10-15-09; tested both isolated serial port; ISP not programed.
- has 1 ISP connector and uses ISP switch
- after addition of EEPROM - doesn't enumerate
- 2 - assembled 10-16-09;
- has 2 ISP connectors.
- after addition of EEPROM - doesn't enumerate
assembly mods
- RE2 will be 10k not 1k
- 4.7uF replaced w/10uF