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mcmaster:st:24c026 [2012/07/06 19:27] azonenberg [Detailed analysis] |
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- | {{tag> | ||
- | {{tag> | ||
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- | ====== Overview ====== | ||
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- | {{: | ||
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- | ====== Map ====== | ||
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- | Top metal: http:// | ||
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- | Stripped: http:// | ||
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- | Other stuff, just browse around http:// | ||
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- | ====== Package ====== | ||
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- | ====== Nets ====== | ||
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- | Power: | ||
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- | ====== Sectors ====== | ||
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- | {{: | ||
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- | ^ Number ^ High level description ^ Claimed by ^ Digitized? ^ Transistor schematic? ^ Functional schematic? ^ Other ^ | ||
- | | 1 | Unknown | | | | | | | ||
- | | 2 | Unknown | | | | | | | ||
- | | 3 | Unknown | | | | | | | ||
- | | 4 | Unknown | | | | | | | ||
- | | 5 | Unknown | | | | | | | ||
- | | 6 | Unknown | | | | | | | ||
- | | 7 | Unknown | | | | | | | ||
- | | 8 | Unknown | | | | | | | ||
- | | 9 | Unknown | | | | | | | ||
- | | 10 | Unknown | | | | | | | ||
- | | 11 | Unknown | | | | | | | ||
- | | 12 | Unknown | | | | | | | ||
- | | 13 | Unknown | | | | | | | ||
- | | 14 | ROM / microcode? | | | | | | | ||
- | | 15 | ROM / microcode? | | | | | | | ||
- | | 16 | Unknown | | | | | | | ||
- | | 17 | clock? | JM | Y | Y | Half | Right half to meaningful high level schematic. | ||
- | | 18 | Unknown | | | | | | | ||
- | | 19 | Unknown | | | | | | | ||
- | | 20 | Unknown | | | | | | | ||
- | | 21 | Unknown | | | | | | | ||
- | | 22 | Unknown | | | | | | | ||
- | | 23 | Unknown | | | | | | | ||
- | | 24 | EEPROM | AZ | IP| | | | | ||
- | | 25 | EEPROM row/ | ||
- | | 26 | EEPROM row/ | ||
- | | 27 | EEPROM row/ | ||
- | | 28 | charge pump caps and switches | JM | Y | | | Schematic capture | | ||
- | | 29 | charge pump supply diode? | JM | Y | | | Schematic capture | | ||
- | | 30 | charge pump control? | JM | Y | | | Schematic capture | | ||
- | | 31 | Unknown | | | | | | | ||
- | | 32 | Unknown | | | | | | | ||
- | | 33 | Unknown | | | | | | | ||
- | | 34 | Unknown | | | | | | | ||
- | | 35 | Unknown | | | | | | | ||
- | | 36 | Unknown | | | | | | | ||
- | | 37 | Unknown | | | | | | | ||
- | | 38 | Unknown | | | | | | | ||
- | | 39 | Unknown | | | | | | | ||
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- | ====== Sector analysis ====== | ||
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- | ===== 24 - EEPROM cells ===== | ||
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- | ==== Overview ==== | ||
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- | The entire EEPROM array (shown below) is known to be 2048 bits. | ||
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- | The array consists of a cell (shown below) tiled 16 wide by 8 high, for 128 copies of the cell. Each cell must thus be 16 bits. Each cell consists of four sub-cells, so each sub-cell is 4 bits. | ||
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- | ==== Detailed analysis ==== | ||
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- | This block contains four EEPROM bits, one per quadrant. | ||
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- | The purple area is active area (doping unknown at this point). | ||
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- | {{: | ||
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