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Universal JTAG InteRFace+SN74LVC244ADB+SPDT SUB+通用JTAG接口原理图+PCB作品文件分享。
# L" b2 r* s: x6 X1 {9 g; f用AD画的2层板，
0 d7 d z. w4 ?' w$ W) Y! W通用JTAG接口，& Q( v. A6 P" k' X
板子很简单，" j3 x% Z1 }6 r& m$ x& }
适合入门，
8 o- x, @# L$ d7 S) M( Z" O有需要的可以看看。
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+ b8 D6 J3 g) B" W R层数：2层
& O3 `. E% U9 G用途：JTAG接口0 a8 Y6 Z) |% F! V
pcb作品截图如下：! z% G ?" V1 m) }
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附件：- H% C' W6 C" O& V
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BOM：. C9 u* i* T5 H3 d4 M, z# Q6 ?( {
Comment | Designator | Quantity | Footprint | 47pF 50V | C1H, C1S, C2H, C2S, C3H, C3S, C4H, C4S, C5, C6, C7, C8 | 12 | CAPC2012 | 10nF 50V | C9, C10, C11, C12 | 4 | CAPC2012 | 10uF 16V | C13, C14 | 2 | CAPC3528 | 200mA 30V | D1H, D1S, D3, D4, D5, D6, D7 | 7 | SOT95P230-3 | 215mA 85V | D2H, D2S, D8 | 3 | SOT95P230-3 | 2x13 RA HEADER | J1 | 1 | HDR2X13_RA_CENTRONICS | 2x5 RA HEADER | J2 | 1 | 918510x323 | ORANGE | LED1, LED2 | 2 | LED3528 | TRAN-NPN-75V-40V-6V-SOT23 | Q1H, Q1S, Q2H, Q2S | 4 | SOT95P230-3 | 47R 5% | R1H, R1S, R2H, R2S, R3H, R3S, R4H, R4S, R5H, R5S, R6H, R6S, R7H, R7S, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20 | 24 | RESC2012 | 2K2 5% | R8H, R8S, R21 | 3 | RESC2012 | 6K8 5% | R9H, R9S, R24 | 3 | RESC2012 | 470R 5% | R10H, R10S | 2 | RESC2012 | 220R 5% | R22, R23 | 2 | RESC2012 | 22R 5% | R25 | 1 | RESC2012 | 47K 5% | R26, R27 | 2 | RESC2012 | SPDT SUB | S1 | 1 | OS102011MA1QN1 | SN74LVC244ADB | U1, U2 | 2 | SOP65P780-20 |
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发表于 2019-10-11 13:46
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