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Twinrocket
Joined: 04 Apr 2012
Posts: 558
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 Posted: Tue Jul 14, 2015 9:40 am Post subject: New Horizon at it's closest to PLUTO today after 9 years |
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Congratulation USA for another historic moment in Space exploration.
Just can't wait to see the picture that will hopefully start transmission
later this evening/tonight. With the speed of light, it actually takes four
and a half hours to receive the signals from the spacecraft.
CPU used on New Horizon: Mongoose-V MIPS R3000 Rad-Hard Processor
http://goo.gl/jru2sK
CPU's used in other Spacecraft/Space-probes
http://goo.gl/Yr0Bo5
| Quote: | Flight computer:
The spacecraft carries two computer systems: the Command and Data Handling system and the Guidance and Control processor. Each of the two systems is duplicated for redundancy, for a total of four computers. The processor used for its flight computers is the Mongoose-V, a 12 MHz radiation-hardened version of the MIPS R3000 CPU. Multiple clocks and timing routines are implemented in hardware and software to help prevent faults and downtime. To conserve heat and mass, spacecraft and instrument electronics are housed together in IEMs (integrated electronics modules). There are two redundant IEMs. Including other functions such as instrument and radio electronics, each IEM contains 9 boards.
There have been two "safing" events, that sent the spacecraft into safe mode:
On March 19, 2007 the Command and Data Handling computer experienced an uncorrectable memory error and rebooted itself, causing the spacecraft to go into safe mode. The craft fully recovered within two days, with some data loss on Jupiter's magnetotail. No impact on the subsequent mission was expected.[40]
On July 4, 2015 there was a CPU safing event caused by overassignment of commanded science operations.[41][42][43] |
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rjluna2
Joined: 27 Oct 2014
Posts: 1302
Location: Hiram, GA, USA
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| Posted: Tue Jul 14, 2015 11:37 am Post subject: |
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I see it is package on Tape on Carrier 
I assumed this example here is as packaged before soldered on the board?  |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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rjluna2
Joined: 27 Oct 2014
Posts: 1302
Location: Hiram, GA, USA
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| Posted: Tue Jul 14, 2015 7:19 pm Post subject: |
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| @CPUShack: |
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