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| 14:04.20 | sorphin | GPSFan: greetings Mr Ken, hope you're well today. |
| 14:05.05 | GPSFan | sorphin: hi dan, yeah things are good.. |
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| 15:19.52 | prpplague | T0mW: hey |
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| 17:39.45 | T0mW | prpplague: that ENC28J60 is one power hungry device |
| 17:41.41 | prpplague | T0mW: yea |
| 17:41.46 | prpplague | its the mac |
| 17:41.49 | prpplague | sorry |
| 17:41.54 | prpplague | i mean the phy |
| 17:42.10 | T0mW | slurrrp |
| 17:42.27 | T0mW | The board idles at 160ma |
| 17:42.49 | T0mW | probably 100ma of that is the ethernet |
| 17:44.14 | T0mW | prpplague: good thing I have a 500ma supply on the board, heh |
| 17:45.07 | prpplague | T0mW: hehe |
| 17:45.15 | prpplague | T0mW: our cpu board is doing about 85ma |
| 17:45.20 | prpplague | T0mW: boss liked your board |
| 17:45.20 | davidc__[2] | T0mW: ptsh... only 100ma? |
| 17:46.19 | davidc__[2] | heh.. this board here draws 1 @ at idle on 3.3 [no ethernet connected], 0.85 A @ 1.2.. with 5 gigE connections + 1 10/100 - packets moving at full speed its almost 2.5A, each rail |
| 17:47.19 | T0mW | prpplague: yeah, the board kept growing. I kept shoving more stuff onto it as I went along, the proto is REV-I. That will tell you how many major renditions it underwent. |
| 17:47.56 | T0mW | davidc__: yeah, but, I have to run on a 7Ah/12v cell for a "few" days. |
| 17:48.03 | davidc__[2] | T0mW: heh |
| 17:48.14 | davidc__[2] | T0mW: with the ethernet connected? |
| 17:49.02 | T0mW | davidc__: I don't think that the ethernet will be installed for the "long life" version of the board. I just stuck the ethernet on there to get some experience with it and see how it might work out. |
| 17:49.46 | T0mW | davidc__: without the ethernet, I calc the power consumption (@60MHz) to be around 40ma. |
| 17:50.19 | T0mW | should run a "few" days on that battery? heh |
| 17:53.53 | davidc__[2] | T0mW: why not add a scheme to rescale the clocking way down? |
| 17:54.01 | davidc__[2] | aka - have to oscillators + a clock switch |
| 17:54.26 | T0mW | davidc__: on the main processor? |
| 17:54.36 | davidc__[2] | T0mW: why not? |
| 17:54.51 | davidc__[2] | does the processor have an internal PLL? |
| 17:54.57 | davidc__[2] | or is it clocked directly @60mhz? |
| 17:56.29 | sorphin | T0mW: hey gramps |
| 17:56.59 | T0mW | davidc__: CPU is not taking that much power, the MAX3250 (Isolated RS232) takes 28ma |
| 17:59.01 | T0mW | davidc__: If I IDLE the CPU, it runs 18.5ma, ACTIVE it is 54ma. |
| 17:59.17 | T0mW | so, my 40ma would be IDLE'd |
| 18:00.42 | davidc__[2] | why not stick a fet on the MAX3250 - and only power it up when you need it? |
| 18:02.40 | T0mW | davidc__: I can't, I have monitor a device that could speak asynchronisly |
| 18:02.58 | T0mW | :/have/have to/ |
| 18:03.24 | T0mW | So, the 28ma is unavoidable |
| 18:03.33 | T0mW | sorphin: hi sorphin |
| 18:04.06 | davidc__[2] | T0mW: oh fun |
| 18:04.07 | T0mW | davidc__: the application is alarm monitoring: Fire + Life Safety |
| 18:04.18 | davidc__[2] | T0mW: ahhh.. in which case - cheating is bad ;) |
| 18:04.43 | T0mW | yeah, NFPA and U/L don't care to see shortcuts |
| 18:08.19 | sorphin | T0mW: doing well sir? |
| 18:08.23 | T0mW | davidc__: 40..60ma is cool though, the board it replaces runs about 180ma |
| 18:08.52 | T0mW | sorphin: yeah! Had a date with an old gf that I've not seen for 29 years |
| 18:09.15 | sorphin | wow |
| 18:09.23 | sorphin | does she still look good after 29 years? |
| 18:09.23 | sorphin | lol |
| 18:09.51 | T0mW | sorphin: considering what I look like now.. |
| 18:09.53 | T0mW | heh |
| 18:11.17 | sorphin | heh |
| 18:11.21 | sorphin | not much of an answer |
| 18:15.07 | T0mW | sorphin: she does look good, considering. More importantly, it is good to talk with her again |
| 18:16.10 | sorphin | thats good |
| 18:16.42 | sorphin | so it was all still there? |
| 18:16.49 | sorphin | or rather, it all came back? |
| 18:17.53 | T0mW | well, I found her about 5 years ago, but she did not want to meet. Turns out she was living with some guy that was really jealous. Well, about 2 months ago she contacted me via email, found me. |
| 18:21.44 | sorphin | nice |
| 18:22.06 | sorphin | she remembered you |
| 18:22.08 | sorphin | that's good |
| 19:00.53 | sorphin | doh |
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