微機(jī)與接口技術(shù)實驗（計算機(jī)類）微機(jī)接口實驗若干問題

1、毛晉昌毛晉昌 理科理科2號樓號樓2540 62763330（O）2007年年4月月RrRrERRrEVIP222)(4）（負(fù)載功率EV rRERrR參考程序中參考程序中“SJMP $”是必需的嗎？如果沒有是必需的嗎？如果沒有“SJMP $”，程序運(yùn)行后能否得到正確的結(jié)果？，程序運(yùn)行后能否得到正確的結(jié)果？答案：在本實驗一定的程序運(yùn)行方式（單步、斷答案：在本實驗一定的程序運(yùn)行方式（單步、斷點、執(zhí)行到光標(biāo)所在行）下，可以。點、執(zhí)行到光標(biāo)所在行）下，可以。在全速運(yùn)行時，不行。在全速運(yùn)行時，不行。請說明從本實驗板外部數(shù)據(jù)存儲器的請說明從本實驗板外部數(shù)據(jù)存儲器的7F00H地址地址單元讀出數(shù)據(jù)單元讀出數(shù)據(jù)A

2、AH時，外部數(shù)據(jù)存儲器芯片時，外部數(shù)據(jù)存儲器芯片各管腳各管腳的電平狀態(tài)。的電平狀態(tài)。答案：答案：A14-A0：111 1111 0000 0000 D7-D0：1010 1010 ；/CS：0 /DE：0 ； /WR：1讀狀態(tài)各管腳電平測量讀狀態(tài)各管腳電平測量 電源電源VCC 地地GND輸入信號頻率與采樣頻率輸入信號頻率與采樣頻率 ADC轉(zhuǎn)換速度轉(zhuǎn)換速度中斷源中斷源入口地址入口地址外部中斷外部中斷INT00003H定時器定時器/計數(shù)器計數(shù)器T0000BH外部中斷外部中斷INT10013H定時器定時器/計數(shù)器計數(shù)器T1001BH串行口串行口0023H對比對比X861234ABCD4321DCBA

3、D034D133D232D331D430D529D628D727PA04PA13PA22PA31PA440PA539PA638PA737PB018PB119PB220PB321PB422PB523PB624PB725PC014PC115PC216PC317PC413PC512PC611PC710RD5WR36A09A18RESET35CS6D108255A1B2C3E14E25E36Y015Y114Y213Y312Y411Y510Y69Y77D374LS138R9100R10100PC5VCCPC4PC3PC2PC1PC0PB7PB6PB5PB4PB3PB2PB1PB0PA7PA6PA5PA4

4、PA3PA2PA1PA0RD/WR/RESETA0A1CS8255/A158000A148100A138200A88300A98400A10CS8255/CS0809/CS0832/PC6PC7VBASE89D15D74ls14VCC1110D18E7407OUTA027OUTB031OUTA126OUTB130OUTA225OUTB229OUTA324OUTB328DB012BD23DB113DB214SL032DB315SL133DB416SL234DB517SL335DB618DB719RL038RL139IRQ4RL21RL32CS22RL45RD10RL56WR11RL67A021R

5、L78CLK3SHIFT36RESET9CNTL/S37D208279VCC123456789RN1330*812D16A740734D17B98D16D56D16C34D16B12D17A1312D17F98D18D56D18C34D18B1110D17E56D17C98D17D12D18A345102161298711HL2345102161298711HL3A1B2C3E14E25E36Y015Y114Y213Y312Y411Y510Y69Y77D1974LS138VCC12345678910111213141516171819202122232425262728293031323334

6、353637383940XC41110D16E1312D16FRESETQUA_ALEA1WR/RD/8279/X2X1VCCGNDWR/GNDRD/ALE+5VOPSEN/+12VO-12VOP10AD7P11AD6P12AD5P13AD4P14AD3P15AD2P16AD1P17AD0RESETRXDTXDINT0EOC*T0T1A15A8A9A10A11A12A13A14RP11K12D15A74LS1434D15B74LS14VCCVcc20Iout111DI07Iout212DI16DI25Rfb9DI34DI416Vref8DI515DI614DI713ILE19WR218CS1W

7、R12Xfer17GND10GND3D8DAC0832PVCC11IN-026D721D620IN-127D519D418IN-228D38D215IN-31D114D017IN-42EOC7IN-53A25IN-64B24C23IN-75ALE22ref-16OE9SC6ref+12CLK10AGND13D21ADC0809PWR/A3A2A1RD/WR/CS0809/CS0832/QUA_ALE+VREFEOC*IN0IN1IN2IN3BL1BELLAD0AD1AD2AD3AD4AD5AD6AD7AD0AD1AD2AD3AD4AD5AD6AD7AD0AD1AD2AD3AD4AD5AD6AD

8、7AD0AD1AD2AD3AD4AD5AD6AD7HL4HL5HL6HL7HL8HL9HL10HL11123456789RN3RESPACK8L1L2L3L4L5L6L7L812345678161514131211109SA2SW-DIP8123456789RN24.7K*8VCCPA0PA2PA1PA3PA4PA5PA6PA7K1K2K3K4K5K6K7K8SB1SB2SB3SB4SB5SB6SB7SB8SB9SB10SB11SB12SB13SB14SB15SB16SB17SB18SB19SB20SB21SB22SB230 - 78 - F8 Function Key+12V-12VR1A2

9、K3V2TL431R1A2K3V3TL431R3680R8680R1A2K3V5TL431R1A2K3V6TL431-VREF+VREFA010A19A28A37A46A55A64A73A825A924A1021A1123A122A1326A1427A151CE20OE22D011D112D213D315D416D517D618D719D527512D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1LE11D274LS373EA/VP31X119X218RESET9RD17WR16INT012INT113T014T115P10

10、/T1P11/T2P123P134P145P156P167P178P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P2728PSEN29ALE/P30TXD11RXD10D18032A010A19A28A37A46A55A64A73A825A924A1021A1123A122A1326A141CS20DE22WR/27D011D112D213D315D416D517D618D719D462256TXDRXDRAMWR/RD/RAM/PSEN/A7A6A5A4A3A2A1A0AD7AD6AD5A

11、D4AD3AD2AD1AD0PSEN/ALEWR/RD/RESETX2X1AD7AD6AD5AD4AD3AD2AD1AD0A15A14A13A12A11A10A9A8AD7AD6AD5AD4AD3AD2AD1AD0T0T1INT0EOC*P17P16P15P14P13P12P11P10X1X2C2C1ROM/A0A1A2A3A4A5A6A0A7A1A8A2A9A3A10A4A11A5A12A6A13A7A14A8A9A10A11A12A13A14A15AD0AD1AD2AD3AD4AD5AD6AD75.6vVCCVD13Q12D24Q25D37Q36D48Q49D513Q512D614Q615

12、D717Q716D818Q819CLK11CLR1D1174LS273273LRESET/Q4Q5Q6Q7AD0AD1AD2AD3AD4AD5AD6AD7IN/CLK1IN2IN3IN4IN5IN6IN7IN8IN9IN10IN11IN14IN23IN/OE13IO15IO16IO17IO18IO19IO20IO21IO22D620V8A5A6A7A8A9A11A12A13A14A15WR/Q7Q6RAMWR/PSEN/273LA108279/MONROM/RAM/Q5XB1SW-SPDTVCCR64.7KR520kC1347uRESET/R4120SB24按鍵RESETVCC1011D15E

13、74LS141213D15F74LS1412XC1VCCGND1XL11XL21XL31XL41XL51XL61XL71XL81XL91XL101XL111XL121XL131XL141XL151XL161XL171XL181XL191XL201XL211XL221XL231XL241XL251XL26P10P11P12P13P14P15P16P17INT0T0K1K2K3K4K5K6K7K8L1L2L3L4L5L6L7L81XL271XL281XL291XL301XL311XL321XL36IN0IN1IN2IN380008100VOUT1XL37+VREFWOUT1XL381XL391XL

14、401XL411XL421XL431XL441XL45PB0PB1PB2PB3PB4PB5PB6PB71XL461XL471XL481XL491XL501XL511XL521XL53PC0PC1PC2PC3PC4PC5PC6PC7123XC2RXDTXDGND電源插座仿真機(jī)電源插座串行通訊擴(kuò)展插座VCC-VREF+12V3261574D9741-12VV4R71kR220K+12V56D15C74LS14VOUTSA3SA4SA6SA5SA7SA8SA9SA101234567891011121314151617181920XC520PINL1L2L3L4L5L6L7L8IN1IN2PB0PB2

15、PB4PB6PC0PC2PC4PC6VOUTIN0121110987123456SA1SW+12V+12VO+5VOVCC-12V-12VOHL1R1330G111.059M1234XC3VCCGND1A121A241A361A482A1112A2132A3152A4171Y1181Y2161Y3141Y4122Y192Y272Y352Y431G12G19D1374LS240C27C14C15C16C17C11C10+C26+C25+C24+C23+C22+C21+C20+C19+C18VCCGND+12V-12V+C29C30C32C31123D14A74LS02456D14B74LS021

16、23D12A74LS08PSEN/CLK3D2SD4CD1Q5Q6D7A74LS74CLK11D12SD10CD13Q9Q8D7B74LS74VCCVCCVCCVCCALEQUA_ALEabcdefgdpdpabcdef g(D0)(D7)鍵盤顯示控制鍵輸入1并行接口MCS-51單片機(jī)ROM地址鎖存LED驅(qū)動DACADC復(fù)位片選1片選2RAM位列掃描段碼晶振鍵輸入2最小系統(tǒng)1 2 3 4 1 1 2 1 2 3 1 2 3 4 左左右右SM0 SM1模模 式式 功能功能波特率波特率0 00同步移位寄存器同步移位寄存器fOSC/120 118位位UART可變可變1 029位位UARTfOSC/6

17、4或或fOSC/321 139位位UART可變可變SM0 SM1SM2RENTB8RB8 TI RISM0SM1SM2RENTB8RB8 TI RI;查詢方式發(fā)送查詢方式發(fā)送 MOV A,#DATASEND: MOV SBUF,A JNB TI,$ CLR TI SJMP SEND ORG 0000H LJMP START ORG 0023H LJMP SIO_SUB ORG 0050HSTART: (通信模式通信模式/中斷設(shè)置中斷設(shè)置) MOV A,#DATA MOV SBUF,A SJMP $SIO_SUB: JBC TI,TO_SEND JBC RI,TO_RECE RETITO_SEN

18、D: RETITO_RECE: MOV A,SBUF RETITF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 EA ES ET1 EX1 ET0 EX0IE中斷允許寄存器中斷允許寄存器TCON中斷控制寄存器中斷控制寄存器PCON電源管理電源管理MSB置置1(波特率加倍波特率加倍)：ORL PCON,#80H 或或ORL 87H,#80H兩個獨(dú)立的寄兩個獨(dú)立的寄存器存器收收/發(fā)發(fā)SBUF兩個實驗平臺、兩種微機(jī)系統(tǒng)兩個實驗平臺、兩種微機(jī)系統(tǒng)基于基于X86微機(jī)的實驗系統(tǒng)微機(jī)的實驗系統(tǒng)TPC-H微機(jī)微機(jī)接口實驗箱接口實驗箱實驗箱經(jīng)實驗箱經(jīng)50線扁線扁平電纜連至平電纜連至ISA總線接口卡總線接口卡50線線插插頭頭ISA總線接口卡總線接口卡 ISA總線插口總線插口 74LS24574LS24474LS24474LS24474LS244通用插座通用插座D-40腳腳通用插座通用插座B-20腳腳通用插座通用插座A-20腳腳通用插座通用插座-1