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] | ||
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| + | =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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Edit pser2h ; pser2h-b ; pser1 ; FUPs ; ldwash1 ; ldwash2 ; ; Vclamp8 ; dclamp1 ; dclamp2 ; wip4a-spi ; wip4c
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
