NefMoto > Technical > Reverse Engineering > Rh850
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Author Topic: Rh850  (Read 4007 times)
Piersaplab
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« on: July 31, 2022, 08:51:21 AM »
Hi guys, someone have any info’s about this processor? Did you already tried to disassemble it?


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Praga
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« Reply #1 on: July 31, 2022, 12:22:59 PM »
Quote from: Piersaplab on July 31, 2022, 08:51:21 AM
Hi guys, someone have any info’s about this processor? Did you already tried to disassemble it?


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What ECU is it being used in ?
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Piersaplab
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« Reply #2 on: July 31, 2022, 01:52:51 PM »
Quote from: Praga on July 31, 2022, 12:22:59 PM
What ECU is it being used in ?
Denso r7f70 / 71 etc , fitted in toyota and lexus for sure


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H2Deetoo
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« Reply #3 on: August 05, 2022, 12:16:36 PM »
Also VW MQB clusters with SW2500 and up (like Audi Q2 2019) use this cpu family now (instead of V850 previously).
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Piersaplab
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« Reply #4 on: August 05, 2022, 01:40:42 PM »
Exactly, someone have any experience with it?


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nihalot
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« Reply #5 on: August 18, 2022, 04:04:00 AM »
What are you looking for?

IDA supports RH850 and proc docs are available for free from Reneas
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www.tangentmotorsport.com

multimap/LC/rolling antilag for MG1/MED17/EDC17/MED9/EDC15

contact for reverse engineering services of any ECU/TCU
Piersaplab
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« Reply #6 on: August 25, 2022, 03:33:08 PM »
Quote from: nihalot on August 18, 2022, 04:04:00 AM
What are you looking for?

IDA supports RH850 and proc docs are available for free from Reneas
Started to disassemble but it’s my first denso ecu, no idea about the maps adress for start etc beakpoint etc , any suggest?


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Praga
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« Reply #7 on: August 26, 2022, 12:20:22 PM »
Quote from: Piersaplab on August 25, 2022, 03:33:08 PM
Started to disassemble but it’s my first denso ecu, no idea about the maps adress for start etc beakpoint etc , any suggest?


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You using IDA ?

Please post the file you are starting with. I also have an interest in Rh850.
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Piersaplab
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« Reply #8 on: August 26, 2022, 12:31:23 PM »
Quote from: Praga on August 26, 2022, 12:20:22 PM
You using IDA ?

Please post the file you are starting with. I also have an interest in Rh850.
Yes


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obdhacker
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« Reply #9 on: September 09, 2022, 05:00:27 AM »
Quote from: Piersaplab on July 31, 2022, 08:51:21 AM
Hi guys, someone have any info’s about this processor? Did you already tried to disassemble it?



Hello,
I have some experience.
Please send details about what exactly you are trying to achieve.
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