cem volvo

This talks about BDM used on card Engine computer
Post Reply
tomanycars
Junior Member
Posts: 22
Joined: Mon May 09, 2022 11:19 am

Re: cem volvo

Post by tomanycars »

usbbdm wrote: Sun May 22, 2022 9:07 am Your wiring is not too clean but I can tell you this.
1. Your wire is a little too long and consider lower the clock if the result is not consistent.
2. You need to use u-link Diagram not USB BDM NT diagram.
DSI Brown.
DSO Orange.
CLK Green.
BEER Purple
FREEZE Gray
RESET Blue.
3. Your u-link NT needs to activated to get it working properly.

I can help you remotely via zoom remote desktop.
i have changed the wire length , i'll use the u link diagram/ thanks for the list i'll report back findings, and you have already sent me my activation code and i have put it in the software already 8)
& thanks for the offer for zoom , if i really really get stuck i'll take you up on the offer. , for now i think its just me over thinking the connections :lol:
tomanycars
Junior Member
Posts: 22
Joined: Mon May 09, 2022 11:19 am

Re: cem volvo

Post by tomanycars »

update.

i have been flicking from the list you provided and also the picture so i can see where to connect too. but in the software it says about another connection BEER , i assume that is a Typo is that meant to be BERR? , & DSCK -- DSCK does seem to exist on the picture?
usbbdm
Junior Member
Posts: 8962
Joined: Mon Jul 18, 2005 9:33 pm

Re: cem volvo

Post by usbbdm »

As I said I can help you via zoom remote desktop. Simply come to the chat and we solve this in minutes.
tomanycars
Junior Member
Posts: 22
Joined: Mon May 09, 2022 11:19 am

Re: cem volvo

Post by tomanycars »

usbbdm wrote: Mon May 23, 2022 10:41 am As I said I can help you via zoom remote desktop. Simply come to the chat and we solve this in minutes.
i know i was trying to work it out my self. , it didn't go well. i'll message tomorrow as see if you are free to help via zoom
tomanycars
Junior Member
Posts: 22
Joined: Mon May 09, 2022 11:19 am

Re: cem volvo

Post by tomanycars »

i thought id let you all know i have managed to have a successful read on the cem module and was able to re synchro a ecu & cem. not with the USBJTAG tool , but it helped be able to draw the information off.
nilsontea1
Junior Member
Posts: 2
Joined: Mon Nov 27, 2023 8:31 am

Re: cem volvo

Post by nilsontea1 »

Hello firends, i have a problem to read a volvo cem. it have a 28f400bb-b5 and says:
Target: MC68332
-speed 0
-speed 1
-reset 1
Unknown flash type!
Report these values http://www.usbjtag.com/phpbb3 0980h,4872h
i have a target mc68332
this is:
<Test>
<Name>MC68332</Name>
<Protocol>BDM</Protocol>
<Endian>Big</Endian>
<Speed>0x1</Speed>
<Cat>ECU</Cat>
<programram>0x0</programram>
<sprogram>1</sprogram>
<Memorys>
<Memory>
<Name>Code</Name>
<Type>1</Type>
<Address>0x0</Address>
<Size>0x80000</Size>
</Memory>
</Memorys>
<Inits>
<Init><Address>0xFFFA00</Address><Value>0x40CA</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA21</Address><Value>0xAC</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA27</Address><Value>0x00</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA27</Address><Value>0x55</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA48</Address><Value>0x0006</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA4A</Address><Value>0x6830</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA58</Address><Value>0x0006</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA5A</Address><Value>0x7070</Value><Bytes>2</Bytes></Init>
</Inits>
</Test>

i dont know that do... help please
usbbdm
Junior Member
Posts: 8962
Joined: Mon Jul 18, 2005 9:33 pm

Re: cem volvo

Post by usbbdm »

nilsontea1 wrote: Tue Mar 05, 2024 6:24 am Hello firends, i have a problem to read a volvo cem. it have a 28f400bb-b5 and says:
Target: MC68332
-speed 0
-speed 1
-reset 1
Unknown flash type!
Report these values http://www.usbjtag.com/phpbb3 0980h,4872h
i have a target mc68332
this is:
<Test>
<Name>MC68332</Name>
<Protocol>BDM</Protocol>
<Endian>Big</Endian>
<Speed>0x1</Speed>
<Cat>ECU</Cat>
<programram>0x0</programram>
<sprogram>1</sprogram>
<Memorys>
<Memory>
<Name>Code</Name>
<Type>1</Type>
<Address>0x0</Address>
<Size>0x80000</Size>
</Memory>
</Memorys>
<Inits>
<Init><Address>0xFFFA00</Address><Value>0x40CA</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA21</Address><Value>0xAC</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA27</Address><Value>0x00</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA27</Address><Value>0x55</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA48</Address><Value>0x0006</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA4A</Address><Value>0x6830</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA58</Address><Value>0x0006</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA5A</Address><Value>0x7070</Value><Bytes>2</Bytes></Init>
</Inits>
</Test>

i dont know that do... help please
You can start a new topic. If the flash can't be detected, you need to add flash to the flash definition xml.
tomanycars
Junior Member
Posts: 22
Joined: Mon May 09, 2022 11:19 am

Re: cem volvo

Post by tomanycars »

nilsontea1 wrote: Tue Mar 05, 2024 6:24 am Hello firends, i have a problem to read a volvo cem. it have a 28f400bb-b5 and says:
Target: MC68332
-speed 0
-speed 1
-reset 1
Unknown flash type!
Report these values http://www.usbjtag.com/phpbb3 0980h,4872h
i have a target mc68332
this is:
<Test>
<Name>MC68332</Name>
<Protocol>BDM</Protocol>
<Endian>Big</Endian>
<Speed>0x1</Speed>
<Cat>ECU</Cat>
<programram>0x0</programram>
<sprogram>1</sprogram>
<Memorys>
<Memory>
<Name>Code</Name>
<Type>1</Type>
<Address>0x0</Address>
<Size>0x80000</Size>
</Memory>
</Memorys>
<Inits>
<Init><Address>0xFFFA00</Address><Value>0x40CA</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA21</Address><Value>0xAC</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA27</Address><Value>0x00</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA27</Address><Value>0x55</Value><Bytes>1</Bytes></Init>
<Init><Address>0xFFFA48</Address><Value>0x0006</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA4A</Address><Value>0x6830</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA58</Address><Value>0x0006</Value><Bytes>2</Bytes></Init>
<Init><Address>0xFFFA5A</Address><Value>0x7070</Value><Bytes>2</Bytes></Init>
</Inits>
</Test>

i dont know that do... help please
Are you sure you have the connections correct ?
nilsontea1
Junior Member
Posts: 2
Joined: Mon Nov 27, 2023 8:31 am

Re: cem volvo

Post by nilsontea1 »

yes i think. the conections is of the datasheet of mc68332. i can read the memory and dissasembly the file, this values is of the file. but how can to do to add flash of xml?. if i read the memory with other programmer (xgecu miniprog), the ID is 0089 4471. i dont understand why does it give me ID 0980 4872? i can read, but not erase/write
usbbdm
Junior Member
Posts: 8962
Joined: Mon Jul 18, 2005 9:33 pm

Re: cem volvo

Post by usbbdm »

If the initialization is not correct,use slower clock like speed 2. Better to make good xml so you can get faster read/write.
Post Reply

Who is online

Users browsing this forum: No registered users and 6 guests