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STD Computer 8-bit
Mode: Editors' pick
- 0
Update time：
2021-02-23 16:13:00
Creation time：
2016-08-18 11:45:30
Description
Schemi del computer 8-bit
Design Drawing
schematic diagram
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CLOCK
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ALU
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Registro A-B
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Registro istruzioni
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MAR
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CIRCUITO PROGRAMMAZIONE EEPROM
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DISPLAY
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Modulo RAM3
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Registri A-B
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CTRL
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PROGRAM COUNTER
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RAM 189
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Schema computer
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Step
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BUS
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PCB
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | NE555 | U1,U2,U3,U6 | 4 |
| 2 | 1k | R1,R3,R4,R5,R6,R2,R8,R9,R7,R10,R11,R12,R13,R14,R15,R16 | 16 |
| 3 | 100k | R2 | 1 |
| 4 | SN74LS08DR | U12 | 1 |
| 5 | MC74LS32DR2 | U13 | 1 |
| 6 | SN74LS04DR | U18 | 1 |
| 7 | Switch,3*6*5Plastic head,260G, 0.25mm,SMD | KEY2 | 1 |
| 8 | 0,01uF | C1 | 1 |
| 9 | 1u | C7 | 1 |
| 10 | 10nF | C2,C3,C4,C5 | 4 |
| 11 | 1u | C6,C11 | 2 |
| 12 | Jaw handle left twins ROHS 100g Micro Switch | SW3 | 1 |
| 13 | LED CLK | LED20 | 1 |
| 14 | LED CU-CLK | CLK-CU | 1 |
| 15 | 74LS283 | U14,U15 | 2 |
| 16 | 74LS245 | U16 | 1 |
| 17 | MC74HC86ADR2 | U17,U19,U20,U21,U22,U23,U24,U25 | 8 |
| 18 | SN74LS173AD | U1,U2 | 2 |
| 19 | DM74LS245N | U3 | 1 |
| 20 | -LED | U4,U5,U6,U7,U8,U9,U10,U11 | 8 |
| 21 | SWITCH 2P | S1 | 1 |
| 22 | NO | RUN,MANUALE | 2 |
| 23 | 74LS157 | U27,U28,U29,U30 | 4 |
| 24 | 74LS173 | U26,U31,U32 | 3 |
| 25 | DIP switch | SW1 | 1 |
| 26 | LED-3MM | A1,A2,A3,A4,1D,4D,5D,6D,L1,L2,L3,L4,L5,L6,L7,L8,LED9,LED10,LED11,LED12,LED13,LED14,LED15,LED16,ST1,ST2,ST3 | 27 |
| 27 | EEPROM 28C16 | U1,U5,U42,U43 | 4 |
| 28 | NO | ARDUINO | 1 |
| 29 | 74HC595 | U3,U4 | 2 |
| 30 | 7-SEGMENT-DISPLAY-1-REDEZ | U1,U2,U3,U4 | 4 |
| 31 | 74LS76 | U8 | 1 |
| 32 | 74LS139 | U7 | 1 |
| 33 | 74LS00 | U34 | 1 |
| 34 | button6*6*8.5 | KEY1 | 1 |
| 35 | DIP switch | SW2 | 1 |
| 36 | 74245 | U33 | 1 |
| 37 | 2D | LED1 | 1 |
| 38 | 3D | LED3 | 1 |
| 39 | 7D | LED6 | 1 |
| 40 | 8D | LED8 | 1 |
| 41 | 74LS161 | 74LS161,1LS161 | 2 |
| 42 | 74LS245 | U36,U40 | 2 |
| 43 | LED-A1 | LED2 | 1 |
| 44 | LED-A2 | LED4 | 1 |
| 45 | LED-A3 | LED5 | 1 |
| 46 | LED-A4 | LED7 | 1 |
| 47 | 74LS04 | U38,U39 | 2 |
| 48 | 74LS189 | U35,U37 | 2 |
| 49 | SN74LS138DR | U41 | 1 |
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