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chrissie
Joined: 30 Apr 2006
Posts: 1862
Location: Germany
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 Posted: Sat Oct 27, 2012 9:54 am Post subject: maybe anybody knows? |
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maybe anybody knows
what´s the datecode and what´s the meaning of CLK10, CLK11 aso.. of this ST486DX´s?
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CPUShack
Joined: 16 Jun 2003
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Robev
Joined: 10 Mar 2006
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Location: New Zealand
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| Posted: Sat Oct 27, 2012 3:05 pm Post subject: |
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I think the CLK10 & CLK11 may refer to the Clock Output Frequency Range
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gshv
Joined: 01 Feb 2003
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Location: Fairfax, VA USA
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| Posted: Sun Oct 28, 2012 12:48 am Post subject: |
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I have no idea, but I wanted to post some information about CLK that may help to figure it out. It seems that CLK10 and CLK11, as well as CLK00, CLK01 and 2XCLK, were used only on 5V chips. These chips didn't have clock multiplier pin, and, I guess, they had the multiplier hardcoded. 3.3V/3.45V ST processors re-purposed one pin for clock multiplier, and these CPUs are marked with CLKMUL on the back. The "00", "01", "11" and "10" numbers after CLK are probably binary numbers. These are not clock multipliers, but may specify other clock characteristics.
Gennadiy |
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chrissie
Joined: 30 Apr 2006
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Location: Germany
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| Posted: Sun Oct 28, 2012 9:58 am Post subject: |
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thanks for the informations
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