A Soundblaster DSP based on Intel 80C52 from the beginning of 90's. The die size is large. Each version 4xx has a different firmware burnt in mask ROM.

Available version:

- 405 : mask rom directly visible

- 412 : needs delayering and probably staining

Package

Version 405

DIE

Version 405

Copyright Marking and Processor type seems to be based on a 80C52:

Version 412

To be posted

Map

Version 405
Version 412
 
nats/creative_tech/ct1741.txt · Last modified: 2015/06/01 20:49 by d235j
 
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