实验电路结构图及芯片引脚对应表
数码8数码7数码6数码5数码4数码3数码2数码1扬声器译码器译码器译码器译码器译码器译码器译码器译码器PIO19-PIO16PIO23-PIO20PIO27-PIO24PIO31-PIO28PIO35-PIO32PIO39-PIO36PIO43-PIO40PIO47-PIO44D8D7D6D5D4D3D2D1SPEAKERFPGA/CPLD目标芯片PIO7D16PIO6D15PIO5D14PIO4D13PIO3D12PIO2D11HEXHEX键1PIO7--PIO2PIO11-PIO8PIO15-PIO12键8键7键6键5键4键3键2实验电路结构图NO.0
附图2-2 实验电路结构图NO.0
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附图2-3 实验电路结构图NO.1
附图2-4 实验电路结构图NO.2
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87654321??éù?÷PIO19-PIO16PIO23-PIO20PIO27-PIO24PIO31-PIO28PIO35-PIO32PIO39-PIO36PIO43-PIO40PIO47-PIO44D8PIO15D7PIO14D6PIO13D5PIO12D4PIO11D3PIO10D2PIO9D1PIO8FPGA/CPLD??±êD???PIO15-PIO8PIO7PIO6PIO5PIO4PIO3PIO2PIO1PIO0D16D15D14D13D12D11D10D9?ü8?ü7?ü6?ü5?ü4?ü3?ü2?ü1êμ?éμ??·?á11í?NO.3SPEAKERò????÷ò????÷ò????÷ò????÷ò????÷ò????÷ò????÷ò????÷
附图2-5 实验电路结构图NO.3
附图2-6 实验电路结构图NO.4
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29C040(PIN31->WE,PIN1->A18,PIN30->A17,PIN3->A15,PIN29->A14)27040(PIN31->A18,PIN30->A17,PIN3->A15,PIN29->A14)27020(PIN30->A17,PIN3->A15,PIN29->A14)27010(PIN30->VCC,PIN3->A15,P29->A14)PIO48PIO10PIO47PIO14PIO39PIO38PIO37PIO36PIO35PIO34PIO33PIO32PIO24PIO25PIO26GNDVCC10KVR1PIO35PIO8PIO37C3010212345678910111213141516A18/A19VCCA16A18/A15/WEA14(A15)A17/VCCA12WR/A146264A7A1362256A6A8628128A5A92764A4A1127256A3OE27512A2A1027010A1CS127020A0D727040D0D627080D1D5D2D4GNDD3RAM/ROM32313029282726252423222120191817VCCPIO9PIO46PIO45PIO11PIO12PIO13PIO8PIO15PIO31PIO30PIO29PIO28PIO27PIO49VCCSLA17VCCSLRAM628128(PIN30->VCC,PIN3->A14,PIN29->WE)6264(PIN30->VCC,PIN29->WR)62256(PIN30->VCC,PIN3->A14,P29->WE)27512(PIN30->VCC,PIN3->A15,P29->A14)6J6178VGA24 视频接口35101314R76 200PIO40R77 200R78 200PIO41PIO42PIO43PIO44GNDRAM_ENVCC4513J7PS/2接口串行通讯接口53212MHZAPIO11PIO12PIO13PIO14PIO15PIO24PIO25PIO26PIO27PIO28PIO29PIO30PIO31VCC1112131415161718192010P37GND9P10P358P11P347P12P336P13P32EU35P14X14P15X23P16P312P17P301VCCRSTAT89C2051接PC机msb2-12-2EU1750KHZACLOCK2-310ADC08092-42-52-62-7AIN026lsb2-8IN-0727EOCIN-1JP2(5/6)25ADD-AAIN11ADD-B(24)0ADD-C(23)222ALE+5V912ENABLEref(+)166ref(-)STARTFITPIO46PIO45GND2468101214161820C29103B4RS-232接口电路135791113151719JP2ADENADEOCCOMPCOMM212019188151417PIO23PIO22PIO21PIO20PIO19PIO18PIO17PIO16PIO32PIO33PIO35PIO34PIO8复位键单片机接口电路FITJP2(1/2,3/4)87654321扬声器滤波1滤波0JP2COMM651031027.2K7TL082/2译码器译码器译码器译码器译码器译码器译码器译码器PIO19-PIO16PIO23-PIO20PIO27-PIO24PIO31-PIO28PIO35-PIO32PIO39-PIO36PIO43-PIO40PIO47-PIO44D8PIO15D7PIO14D6PIO13D5PIO12D4PIO11D3PIO10D2PIO9D1PIO8FPGA/CPLD目标芯片PIO15-PIO8PIO7PIO6PIO5PIO4PIO3PIO2PIO1PIO0SPEAKERAOUTR725.1K2WR1DAC08329EU2FBIOUT1IOUT2PIO24PIO25PIO26PIO27PIO28PIO29PIO30PIO31765416151413D0D1D2D3D4D5D6D7/CSWR2XFERA GNDD GND111211817310+1251pFC27234TL082/123LM311-12PIO3781VCCAIN010K+128D16D15D14D13D12D11D10D9键8键7键6键5键4键3键2键1实验电路结构图NO.58VREF20VCCVCC4-12COMPJP2(COMP)+5
附图2-7 实验电路结构图NO.5
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