13 February 2024, 22:17 | #1 |
Dream Merchant
Join Date: Sep 2007
Location: Dreamlands
Posts: 530
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CD32 FMV module - is there any RAM onboard?
According to C-Cube CL450 datasheet, it could handle 512KB / 1MB RAM, so I'm just curious... Is there any on the FMV module or is it a straight CD-to-decoder-to-DAC solution?
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13 February 2024, 22:27 | #2 |
Registered User
Join Date: Jul 2008
Location: Boston, MA
Posts: 948
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It adds no RAM to the system; not sure if it uses onboard RAM for processing. It does use 4MB of Zorro II address space, though.
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13 February 2024, 22:29 | #3 |
Dream Merchant
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Location: Dreamlands
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13 February 2024, 23:03 | #4 |
The Big White Cat
Join Date: Jan 2005
Location: France
Age: 44
Posts: 829
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U201 isn't a memory chip ? Seems to be a Texas Instrument 80ns memory chip from pics (mine has a NEC 80ns memory chip )
From the schemes it says 256k x16 Last edited by Rochabian; 13 February 2024 at 23:12. |
13 February 2024, 23:11 | #5 |
Dream Merchant
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Location: Dreamlands
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14 February 2024, 08:44 | #6 |
Senior Member
Join Date: Jun 2001
Location: Germany
Posts: 1,666
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All MPEG decoders have on-board memory. You can't decode an MPEG stream without it.
Too bad the memory is not added to the system when the decoder is not in use. On the CD-i for example, they managed to do exactly that. |
14 February 2024, 10:16 | #7 | |
Amigan
Join Date: Feb 2012
Location: London
Posts: 1,316
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Quote:
I see there's a tool (AddMem) on Aminet for this. |
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