Bc2000 (for the BCF2000 & BCR2000) group photo

Yahoo Groups archive

Bc2000 (for the BCF2000 & BCR2000)

Index last updated: 2026-04-28 23:16 UTC

Message

Re: [bc2000] Re: Firmware decoding ?

2007-11-02 by Ceedjay chez Free

Hi !

>> I would somehow almost bet the microcontroller is a PIC18F, the kind
>> we use in midiBoxes (www.ucapps.de) but I do not want to open my
>> unit. If I screw it, I can't buy another one for the moment (buying
>> a house, basically ;op). 
> 
> You loose  [:)]
> I opened my BCR up and it has an OKI L671000 MPU in it.
> It's a 32bit RISC controller with a built in UART controller.
> Oki's info page on the micro controller
> <http://www2.okisemi.com/site/productscatalog/armsolutions/mcumpu/availa\
> bledocs/Intro-5205.html>
> 
> It uses 1M DRAM  chip 4C1M16C3D
> Link to DRAM datasheet
> <http://download.micron.com/pdf/datasheets/dram/D51_5V_B.pdf>
> 
> There is a 32pin chip in an ic socket that is glued in (as is
> Behringer's excellent policy)
> This is marked "BCR2000 Ver1.04"
> Removing this label reveals that it is a 39SF040 (Flash memory 512k x
> 8bit)
> You can get the datasheet here
> <http://pdf1.alldatasheet.com/datasheet-pdf/view/191664/SST/SST39SF040-7\
> 0-4C-PH.html>
> 
> All we need now is for someone to whip out the chip and read the data.
> (I don't have anything that will read this flash.)

Sounds interesting but.......for me this is Chinese ;o)

Nevermind......

Cheers.
Jay.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.