單片微型計(jì)算機(jī)原理及其應(yīng)用

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MOS128??8751HH

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MCS-51?????????????點(diǎn)累芯皮管腳0ж?

8051??????腳0

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展??皮管腳廉累0

累廉

累必

累恰

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2-1

MCS-51????????置溢空ww置類(lèi)空w.PLCw??

8051????

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2-2

?8051????

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2-28051??????環(huán)環(huán)環(huán)環(huán)留廉000留??置類(lèi)空0環(huán)環(huán)環(huán)留0000留?

置類(lèi)空狀溢模廉??

置類(lèi)空狀溢模0脹環(huán)置置溢空????????0?恰?00留必0留方0留環(huán)環(huán)留??置溢空0000留環(huán)環(huán)環(huán)環(huán)留?

2-38051??????恰0留??????

?2FH2EH2DH2CH2BH2AH29H28H27H26H25H24H23H22H21H20HD7D6D5D4D3D2D1D0?

2-48051

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?7FH7EH7DH7CH7BH7AH79H78H77H76H75H74H73H72H71H70H6FH6EH6DH6CH6BH6AH69H68H67H66H65H64H63H62H61H60H5FH5EH5DH5CH5BH5AH59H58H57H56H55H54H53H52H51H50H4FH4EH4DH4CH4BH4AH49H48H47H46H45H44Hn43H42H41H40H3FH3EH3DH3CH3BH3AH39H38H37H36H35H34H33H32H31H30H2FH2EH2DH2CH2BH2AH29H28H27H26H25H24H23H22H21H20H1FH1EH1DH1CH1BH1AH19H18H17H16H15H14H13H12H11H10H0FH0EH0DH0CH0BH0AH09H08H07H06H05H04H03H02H01H00H??????E0H??????

??ACC.7?ACC.0E7H?E0H*

ACCF0H??B.7?B.0F7H?F0H*

BD0H?????PSW.7?PSW.0D7H?D0H*

PSW81H?????SP82H?

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IP80H?

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?⌒???SCON.7?SCON.09FH?98H*

SCON99H????SBUF88H??????TCON.7?TCON.08FH?88H*

TCON89H?

?TMOD8AH?

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??TL08BH?

?0?8?TL18CH?

?1?8?TH08DH?

?0儈8?TH1?

?1儈8?累0富高照

4累0富高???

4???????????腳廉腳必蕩點(diǎn)點(diǎn)空芯蔽??展??????

2-5P0?????δ度ε緊0?????δ微ε緊度?????累廉富高4???????????????к

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P

1?4????累廉富???

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2-6P1?????δ態(tài)ε緊微?????累必富高???

累必富高4照

4???????????腳蕩點(diǎn)點(diǎn)????к

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2-7P2?????δ意ε緊態(tài)?????累恰富高44累恰富高???照??????????????腳蕩點(diǎn)點(diǎn)???

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2-8δ意ε緊態(tài)?????累恰富高???累恰富高44照??????????????腳蕩點(diǎn)點(diǎn)????

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2-8P3???????

2-3 P3???????I/O???

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2-10

MCS-51??

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MCS-51???

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RAM?

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溢方溢廉拉?

溢方累必累0溢操?溢0溢操?溢0???

2-11????ROM??1ˊ????ROM??2ˊ????RAM?

?溢種狀脹廉脹慢脹脹拉脹恰脹必累點(diǎn)留?累0累點(diǎn)種??????????脹廉脹慢脹脹拉脹恰脹必累脹狀管置照累必累點(diǎn)留?累點(diǎn)留?照累留??

必累?累點(diǎn)種?????

2-12

????RAM??微κ態(tài)

空點(diǎn)脹始拆度??????

????а?

???腳腳種商蹤器?????蔽腳溢種廉置???

??蔽腳溢種必蕩點(diǎn)點(diǎn)蔽腳溢種必蔽腳溢種廉蕩脹脹商過(guò)器方0拉廉?????方0拉廉管點(diǎn)???

??蔽腳溢種廉蔽腳溢種必蕩脹脹方0點(diǎn)拉廉?

????方0點(diǎn)拉廉點(diǎn)廉點(diǎn)必?

2-13

MCS-51

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?????照廉照必置脹腳展蕩累照蕩點(diǎn)點(diǎn)蕩脹脹置溢空????

??????

2-14

8051??????2ˊ??????蕩點(diǎn)點(diǎn)方0拉廉蕩點(diǎn)點(diǎn)置脹腳展累蕩照蕩脹脹置廉題點(diǎn)必必μ環(huán)置狀脹狀腳蕩點(diǎn)點(diǎn)方0拉廉蕩點(diǎn)點(diǎn)蕩脹脹點(diǎn)廉必必μ環(huán)置必

置廉廉題

廉題點(diǎn)必必必μ環(huán)商蹤器к???商過(guò)器?????置狀脹狀腳蕩點(diǎn)點(diǎn)方0拉廉蕩點(diǎn)點(diǎn)置脹腳展累蕩照蕩脹脹置廉必00點(diǎn)必必μ環(huán)置必廉題??????

2-15????脹腳展累蕩照3．????у??????PC0000HACC00HB00HPSW00HSP07HDPTRwww.P0000HP0?P3FFHIP00000BIE0XX00000BTMOD00HTCON00HTH000HTL000HTH100HTL100HSCON00HSBUFн?PCON(OS)00000B微κ意

空點(diǎn)脹始拆度?????????

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MSC-51

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空點(diǎn)脹始拆度??????ぁ?????溢??滿(mǎn)??????┑??累必???累廉累恰????????┑??商蹤器亪???商過(guò)器???????

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B?R1MUL

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4-5

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MOV

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MOV

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A?#0F0HSWAP

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DPHNAND?MOV

R??AMOVCA?@XCHA?R?INC

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環(huán)增照狀蕩點(diǎn)點(diǎn)方0恰廉累廉富廉累廉富必累廉富恰磁0磁廉磁恰累廉富

照

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BIT

00HE

BIT

01HG

BIT

02HLOOP1?ORL

P1?#08HLOOP2?MOV

C?P1.3JC

LOOP2ORL

P1?#03HMOV

C?P1.0MOV

D?CMOV

C?PMOV

E?CANL

C?DMOV

G?CMOV

C?EORL

C?DANL

C?/G1.1???K0?????D???K1?????E?D?E?C???G?D?E?C??D?E???D?E???

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л??MOV

P1.2?CSJMP

LOOP1END???

P1.3?????K3???????

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