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3.Supports simple circuit simulation
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STD mdComputer8
Mode: Editors' pick
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Update time：
2021-11-22 09:06:23
Creation time：
2018-10-08 09:37:17
Description
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Design Drawing
schematic diagram
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A+B Reg
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Clock
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PC + D Reg
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Control
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ALU+Flags
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Output
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RAM+MAR
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ROM Programmer
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Input
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mdProgrammer
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 74HC377 | 8B-A,8B-B,1B-A,8B-M | DIP20 | 4 |
| 2 | green | AI,BI,DI1,J6,II1,E1,E2,E3,EC1,OI1,MI1,RI1 | LED-3MM/2.54 | 12 |
| 3 | red | AO,BO,HALT1,RST1,CO1,DO1,EO1,OO1,RO1,WRI,PO1 | LED-3MM/2.54 | 11 |
| 4 | LEDS | AUTO/EXT1,AUTO/EXT4,AUTO/EXT3,LEDS4,AUTO/EXT5,AUTO/EXT6,SW1 | MINI SLIDE SWITCH SPDT | 7 |
| 5 | 100n | C1,C15,C18,C19,C48,C6,C7,C30,C33,C34,C35,C52,C53,C31,C32,C49,C14,C16,C29,C36,C44,C45,C50,C8,C9,C21,C22,C26,C27,C37,C38,C13,C20,C24,C25,C39,C40,C41,C2,C10,C11,C12,C28,C46,C47 | RAD-0.1 | 45 |
| 6 | red | D1,D5,D15,D3 | LED_BAR_GRAPH_LTA-1000 | 4 |
| 7 | 1X37 2.54mm | H3,H1,H13,H10,H12,H7,H14,H15,H2,H4 | PIN_HEADER_STRAIGHT_1X37_PITCH2.54MM | 10 |
| 8 | 74HC04 | INV4,INV7,INV5,INV2,INV1,INV3,INV6 | DIP14 | 7 |
| 9 | A ALU Bus | J1 | HEADER-MALE-1X8-SLS | 1 |
| 10 | B ALU Bus | J3 | HEADER-MALE-1X8-SLS | 1 |
| 11 | 2k2Ω | R2,R40,R14,R144,R23,R38,R114 | HDR1X9 | 7 |
| 12 | 1kΩ | R6,R44,R8,R9,R10,R66,R68,R80,R143,R28,R29,R46,R47,R75,R19,R94,R95,R96,R39,R85,R90,R22,R27,R58 | AXIAL-0.3 | 24 |
| 13 | 2k2Ω | R7,R45,R11,R13,R32,R79,R142,R48,R82,R118,R18,R37,R26,R113,R1,R21,R129 | AXIAL-0.3 | 17 |
| 14 | 470Ω | R49,R62,R63,R64,R65,R69,R71,R74,R76,R77,R97,R98,R99,R100,R101,R102,R59,R60,R61,R70,R73,R83,R84,R103,R36,R41,R42,R43,R54,R55,R56,R57,R104,R105,R106,R107,R108,R109,R110,R111,R5,R16,R17,R30,R31,R33,R34,R35 | AXIAL-0.3 | 48 |
| 15 | 74HC245N | TRANS4,TRANS5,TRANS6,TRANS8,TRANS7,TRANS1,TRANS3,TRANS2,TRANS9 | DIP20 | 9 |
| 16 | A/X | AUTO/EXT2 | MINI SLIDE SWITCH SPDT | 1 |
| 17 | Auto | AUTO/MAN1 | MINI SLIDE SWITCH SPDT | 1 |
| 18 | 10n | C3,C5,C23,C42,C43 | RAD-0.1 | 5 |
| 19 | 1u | C4 | RAD-0.1 | 1 |
| 20 | CAP | CAP1 | 1X2 PIN HEADER 2.54MM | 1 |
| 21 | yellow | CLOCK1,CE1 | LED-3MM/2.54 | 2 |
| 22 | PANEL | CPPTMSMPASMSXM1 | HEADER-MALE-2.54 1X7 | 1 |
| 23 | yellow | D2,D4,D6,D10 | LED_BAR_GRAPH_LTA-1000 | 4 |
| 24 | C_EXT | EXT1 | 1X2 PIN HEADER 2.54MM | 1 |
| 25 | 1MΩ | FREQ1 | POTENTIOMETER | 1 |
| 26 | ON | LEDS1 | MINI SLIDE SWITCH SPDT | 1 |
| 27 | Manual | MAN1 | PUSH BUTTON | 1 |
| 28 | 47kΩ | R3 | HDR1X9 | 1 |
| 29 | 1MΩ | R4 | AXIAL-0.3 | 1 |
| 30 | 10kΩ | R12,R52,R53,R24,R81,R112,R132,R50,R51,R25,R131 | AXIAL-0.3 | 11 |
| 31 | 560kΩ | R128 | AXIAL-0.3 | 1 |
| 32 | Reset | RESET1 | PUSH BUTTON | 1 |
| 33 | 74HC157 | SEL1 | DIP16 | 1 |
| 34 | NE555 | U1,U2,U4,U29 | DIP8 | 4 |
| 35 | 74HC161N | 4C-H,4C-L | DIP16 | 2 |
| 36 | green | D8,D7,D9 | LED_BAR_GRAPH_LTA-1000 | 3 |
| 37 | D Reg | J4 | HEADER-MALE-1X8-SLS | 1 |
| 38 | PC | J5 | HEADER-MALE-1X8-SLS | 1 |
| 39 | 1kΩ | R78,R72,R20 | HDR1X9 | 3 |
| 40 | CONTROL Bus | H8,H11 | FP-HEADER-2.54-1X12 | 2 |
| 41 | FLAGS | H9,H6 | HEADER_1X3 | 2 |
| 42 | PGM | PGM1 | 1X2 PIN HEADER 2.54MM | 1 |
| 43 | AT28C256-15PU | ROM1,ROM2,ROM3,ROM-D1 | DIP-28_600MIL | 4 |
| 44 | orange | SC5,LST1,PRG1,LST>1,PRG>1 | LED-3MM/2.54 | 5 |
| 45 | 74HC393 | 4C-I | DIP-14_300MIL | 1 |
| 46 | 74HC574 | 8B3A,8B3B,8B1B | DIP-20_300MIL | 3 |
| 47 | green | GREEN1 | LED BARGRAPH 5 | 1 |
| 48 | 74HC00 | NAND3,NAND2,NAND1 | DIP14 | 3 |
| 49 | 74HC02 | NOR2,NOR1 | DIP-14_300MIL | 2 |
| 50 | 74HC273 | 8BC2,8BC-O | DIP20 | 2 |
| 51 | 74LS382 | ALU-H1,ALU-L1 | DIP-20_L25.4-W10.2-P2.54-LS10.2-BL | 2 |
| 52 | 74HC08 | AND1 | DIP-14_300MIL | 1 |
| 53 | blue | CF1,OF1,ZF1 | LED-3MM/2.54 | 3 |
| 54 | ALU | H5 | HEADER-MALE-1X8-SLS | 1 |
| 55 | A ALU Bus | P6 | 1X8 PIN HEADER 2.54MM | 1 |
| 56 | B ALU Bus | P7 | 1X8 PIN HEADER 2.54MM | 1 |
| 57 | 2K2Ω | R15 | HDR1X9 | 1 |
| 58 | 4k7Ω | R86,R87,R88 | AXIAL-0.3 | 3 |
| 59 | 74HC138 | 3DEC8 | DIP16 | 1 |
| 60 | 74HC393 | 4C | DIP14 | 1 |
| 61 | 74HC08 | AND2 | DIP14 | 1 |
| 62 | Digits | CPPTMSMPASMSXM2 | HEADER-MALE-2.54 1X7 | 1 |
| 63 | 4 Digit CC 7 Segment Display | DS2 | 0.56 4 DIGIT 7 SEGMENT LED DISPLAY | 1 |
| 64 | HEX NEG | HEX1 | DIPSWITCH-02 | 1 |
| 65 | Segments | J7 | HEADER-MALE-1X8-SLS | 1 |
| 66 | Jumper_NC_Small | JP1,JP3,JP4,JP5 | DIP-2PIN-2.54-RECT-2.54X2.54 | 4 |
| 67 | 100kΩ | R89 | AXIAL-0.3 | 1 |
| 68 | 470 | R91,R92,R93 | AXIAL-0.3 | 3 |
| 69 | 1n | C17 | RAD-0.1 | 1 |
| 70 | MAR | J8 | HEADER-MALE-1X8-SLS | 1 |
| 71 | RAM | J9 | HEADER-MALE-1X8-SLS | 1 |
| 72 | 6116P | RAM8K | DIP24-600 | 1 |
| 73 | blue | D11,D12,D13 | LED_BAR_GRAPH_LTA-1000 | 3 |
| 74 | 4k7Ω | R115,R116,R117,R130 | HDR1X9 | 4 |
| 75 | NODEMCU_V1_ESP12E | U34 | ESP12E_DEVKIT-V1 | 1 |
| 76 | 74HC595 | U35,U36,U37,U38,U39 | DIP16 | 5 |
| 77 | SW_DIP-8 | INPUT1 | DIPSWITCH-08 | 1 |
| 78 | PANEL | J2 | HEADER-MALE-1X8-SLS | 1 |
| 79 | Lst Prg | SW6 | DIPSWITCH-02 | 1 |
| 80 | SERIAL | LEDS2 | MINI SLIDE SWITCH SPDT | 1 |
| 81 | POWER | LEDS3 | MINI SLIDE SWITCH SPDT | 1 |
| 82 | PANEL | P21 | HDR-3X1/2.54 | 1 |
| 83 | ARDUINO_NANO | U3 | ARDUINO_NANO | 1 |
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