projekte:eurotwo

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projekte:eurotwo [2020/06/28 17:39]
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-{{ :projekte:logo.png?400 |}} 
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-====== EuroTwo CPU ====== 
- 
-Latest information are listed [[projekte:eurotwo#Status|here]]. 
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-{{ :projekte:main.png? 600 |}} 
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-===== Downloads ===== 
-  * {{ :projekte:eurotwo_v0.002.pdf |EuroTwo v0.002 Manual [PDF]}} 
-  * {{ :projekte:eurotwo_v0.004.pdf |EuroTwo v0.004 Manual [PDF]}} 
-  * {{ :projekte:onepiece_rev1_v0.004.0.pdf |EuroTwo OnePiece v0.004.0 Schematic [PDF]}} (untested) 
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-===== Arrangement ===== 
- 
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-===== Boards ===== 
-  * 2x FullAdder / 4x HalfAdder 
-  * 4x Controlled Inverter [[projekte:4bitrelayadder|from 4Bit Relay Adder]] 
-  * 9 Bit AND 
-  * 4 Bit Register 
-  * MUX 1-4,1-16, DEC 1-4,1-16, 4 Bit MUX 1-4 
-  * Clock 
-  * RAM 
-  * ROM 
-  * Logo 
- 
----- 
- 
-==== Logo ==== 
-This board is made of **120** LEDs just for this board. It is the projectlogo with through-pcb illumination. 
-{{ :projekte:logoboard.png?400 |}} 
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- 
-=== Schematics === 
-  * //left// 
- 
----- 
-=== BOM === 
- 
-^ Designator ^ Package ^ Quantity ^ Designation ^ 
-| D* | LED_1206_3216 | 120 | blue at 16mA, 5V | 
-| R* | R_0603_1608 | 120 | 330R |  
-| C1,C2 | CP_Elec_6.3x5.4 | 2 | 47uF |  
-| C3,C4,C5 | C_0805_2012 | 3 | 100nF |  
- 
- 
----- 
- 
- 
-==== Status ==== 
-=== 2020-06-28 === 
-Fixed the "4-Bit Register rev2" board. The board is fully functional but has some drawbacks. You need to scratch away 8 traces on the board and solder 8 short wires on it.  
- 
-The fixes for rev3 are: 
-  * Cs were not aligned correctly to matching relais. Nobody will see this but still, it is not as intended! Fixed in rev3 
-  * There is a mistake at the store relays. That is why you need to scratch traces. Fixed in rev3 
-  * Rev2 is unable to select between rising and falling edge. This is fixed in rev3 by a jumper 
-  * B.Mask is under the LED-Indicator on the back, that is why the light is not as bright as intended. Fixed in rev3. 
-  * Numbering of the LEDs would be helpful. Fixed in rev3. 
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- 
- 
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-=== 2020-06-18 === 
-The PCBs for the 4Bit Register and the Logo did arrive. I assembled them successfully. I'm now waiting for the new Relays HK19F for the final test of the registers. In the Logo-PCB there was a little mistake but I succeed fixing it by scraping away two traces. 
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-{{ :projekte:photo_2020-06-18_15-25-33.jpg? 400 |}} 
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-{{ :projekte:photo_2020-06-18_15-25-30.jpg? 400 |}} 
  
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