哈工大数字逻辑unit 11单元课件

1、Design Sequential Circuits with MSI blocks张彦航张彦航School of Computer ScienceZUnit 11 Design Sequential Circuits with MSI blocksn Register Chipn Counter Chips16 CLK CLRN LDN ENT ENP Function 0 Clear 1 0 LoadHold 16, if QDQCQBQA=1111Design Sequential Circuits with MSI blocksIf QDQCQBQA1010，Then CLRN0000

2、00001001000110100101010000111011001011001 QA QB QC QD CLRN LDN ENT ENP A B C DIf QDQCQBQA1001，Then LDN0模模256 同步加法计数器同步加法计数器161616 D0D1D2D3STA Y0STB Y1STC Y2Y3Y4Y5Y6Y7LDCRCTTCTPQ0Q1Q2Q3CO74LS16374LS138计数器译码器 1CPY0Y1Y2Y3Y4Y5Y6Y7Applications8-beat Generator10CP R0 (1) R0 (2) S9 (1) S9 (2) Q3 Q2 Q1 Q0 1

3、 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 1 1 1 0 0 1 0 0 0 0 计数计数 0 0 0 0 计数计数 0 0 0 0 计数计数 0 0 0 0 计数计数 asynchronousasynchronous 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 0 0 计计数数器器输输出出设计模设计模10 计数器计数器.Given:

4、 模模16可逆计数器芯片可逆计数器芯片 T1193 4-bit 数码比较器芯片数码比较器芯片 T108514149 9151313101012121111T1193123456871616A OB OCQB QA CP-CP+ QCQD LDCrBC DExample A3 A2 A114149 9151313101012121111T1085123456871616AB -B1B2B3A0 B0 14149 9151313101012121111T1193123456871616A OB OCQB QA CP-CP+ QCQD LDCrBC DA3 A2 A114149 9151313101

5、012121111T1085123456871616AB -B1B2B3A0 B0 光电转换光电转换整形放大整形放大计数器计数器比较器比较器Dial Switch Product Packaging Control产品分装控制电路产品分装控制电路74194 4-bit 双向移位寄存器双向移位寄存器（Serial in /Parallel input, Parallel out )149151310121174LS1941234568716 DR A B C D DL清清除除F3 F2 F1 F0Parallel input Right-Shift Left-Shift Right-ShiftL

6、eft-ShiftParallel inputSeries/parallel signal convertorSerial inAnalyze：CR0，Clear，F7 0 MB MA 11， Parallel inputCP 1， F7 F6 F5 F4 F3 F2 F1 F0 1111110 D6 F7 1 MB MA 10，shift leftCP 2， F7 F6 F5 F4 F3 F2 F1 F0 111110 D6D5.CP 7， F7F6F5F4F3F2F1F0 0 D6D5 D4 D3 D2 D1 D0F7 0 MB MA 11，Parallel inputSeries/parallel s