NefMoto > Technical > Flashing and Chipping > Motronic 7.5.20 flashing procedure
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Author Topic: Motronic 7.5.20 flashing procedure  (Read 6450 times)
bondagebear
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« on: April 20, 2015, 04:47:30 AM »
Hi!

I am opening this topic as I couldn't find any specific information around Motronic module 7.5.20 (03C906057CA) for vag 1.6 bts engines. As far as the ecu goes it does not have a specific flash chip. It uses ST10F275 micro controller with integrated flash.

I know that for flashing it I need to put it into a boot mode.  MPPS software instructs to connect pins P04 and P05 via 200 OHM resistor to ground to enter boot mode. As on the other hand micro controllers datasheet instructs connecting only P04 to ground to enter bootstrap sequence.

I already tried both solutions but can't get ecu to boot mode. So if anyone has experience with this configuration a hint on how to would really help!

Thanks!
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ddillenger
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« Reply #1 on: April 20, 2015, 12:54:56 PM »
This should be what you need:
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!

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overspeed
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« Reply #2 on: April 20, 2015, 02:33:49 PM »
These ECU doesn´t have external flash...

to boot
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bondagebear
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« Reply #3 on: April 21, 2015, 02:07:31 AM »
Thanks for help and fast response! Cheesy The last picture is correct as the pin P05 gets pulled up to 5V and pin P04 is pulled down to the ground.


From ST10F275 datasheet (Bootstrap section):

Decoding of reset configuration (P0L.5 = 1, P0L.4 = 0) selects ST10 standard bootstrap
mode (Test-Flash is active and overlaps us
er Flash for code fetches from address
00'0000h; user Flash is active and available for read and program)
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eliotroyano
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« Reply #4 on: April 12, 2016, 01:42:21 PM »
Which interface/software can be used to work this ST10Fxxx based ECUs? can be worked by OBD2 port?
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overspeed
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« Reply #5 on: April 13, 2016, 07:40:29 AM »
Piasini
MPPS
Kess (even V1)
STFlasher

All those has boot mode to ST...

None has OBS option afaik
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eliotroyano
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« Reply #6 on: April 13, 2016, 07:56:56 AM »
Anyone have a damos or map pack related with ME7.5.20? In a near future I will like to look in a VW 2.0L 06A906057A 0261201637 ST10F275 ECU and some info that help me to start will be great. Right now I do not have that ECU to look at.
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DiegoAC
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« Reply #7 on: April 22, 2016, 12:41:07 PM »

Need ori files to start looking at? Just let me know...
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eliotroyano
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« Reply #8 on: April 22, 2016, 01:14:44 PM »
Quote from: DiegoAC on April 22, 2016, 12:41:07 PM
Need ori files to start looking at? Just let me know...

If you have the file the VW 2.0L 06A906057A 0261201637 ST10F275 ECU or similar will be great!!!
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