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? 9 ? ?????????

? 9 ? ?????????. 9.1 ????????? 82C55. 9.1.1 8255 ?????. 8255 ?? 2 ???? 8 ? I/O ?? A ?? B ??? 2 ???? 4 ? I/O ? C ????? C ????? ??? TTL ???????????????????????????????????????? A ?????????? 8255 ? 3 ????? ??? 0 ??? 1 ??? 2 ???????????????????????? CPU ? I/O ??????????

1.09k views • 87 slides

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????. ??? A/D ? D/A ??. 10.1 ?? 10.2 D/A ??????? 10.3A/D ???????????? 10.4 ????? A/D ????????? 10.5 ????? A/D ???????. 10.1 ??. ? ? ? ? MUX. ?????. A/D ???. ????. ???. I/O ??. ????. ???. ????. ???. ? ? ? ? MUX. ????. D/A ???. I/O ??.

987 views • 84 slides

? 11 ? ????? LED

? 11 ? ????? LED . ???? . ?????????????????????????????? ?????????????????? LED ??????????? ???????????????? ????????????? ???????????? 09 H ??????????????? 16 H ??????????? ??????????. 11 .1????????? . ???? ???? ??????????. 11 .1.1???? . ????????. ????????. 11 .1.2 ???? .

812 views • 70 slides

Instruction System - Program Control Instruction & Program Structure Design

Instruction System - Program Control Instruction & Program Structure Design. ????? ?? Tel ? 13882153765 Email ? lizheng@cs.scu.edu.cn OICQ: 1340915. Program Control Instruction. Program control instructions can change the program flow with or without conditions.

747 views • 61 slides

????? Arithmetic ??? (1 ?

????? Arithmetic ??? (1 ?. ADD (Addition ? ?? (dest)?(dest)+(src) ADD dest,src; 8 ? /16 ???? , ??? FLAGS ADD AX,[BX]; ADD CL,10H;ADD SP,2 ? ADD [2000H], AL; ADD WORD PTR[BX], 20 ? AL=7EH(01111110B)

603 views • 42 slides

3.5 ?????????

3.5 ?????????. ????????????????????????????????????????? ????????????? 1 ??????? AND OR XOR NOT TEST 2 ????? SHL SHR SAL SAR 3 ??????? ROL ROR RCL RCR. AND reg,imm/reg/mem ? reg?reg ? imm/reg/mem. AND mem,imm/reg ? mem?mem ? imm/reg. ????? AND. AND.

534 views • 39 slides

Lecture 3

Lecture 3. PC structure and embedded devices. Lecturer : Lyulicheva I .?. 1. Content. PC structure System devices Parallel and serial ports System timer Interrupt controllers. 2. Personal computer structure.

521 views • 34 slides

IKI10230 Pengantar Organisasi Komputer Bab 14: Input/Output & Interrupt

IKI10230 Pengantar Organisasi Komputer Bab 14: Input/Output & Interrupt. Sumber : 1. Paul Carter, PC Assembly Language 2. Hamacher. Computer Organization , ed-5 3. Materi kuliah CS61C/2000 & CS152/1997, UCB. 19 Mei 2004

541 views • 32 slides

3.5 ?????????

3.5 ?????????. ????????????????????????????????????????? ????????????? 1 ??????? AND OR XOR NOT TEST 2 ????? SHL SHR SAL SAR 3 ??????? ROL ROR RCL RCR. AND reg,imm/reg/mem ? reg?reg ? imm/reg/mem. AND mem,imm/reg ? mem?mem ? imm/reg. ????? AND. AND.

534 views • 31 slides

Chapter Five 80x86 Assembly Program Development ? 3 ?

Chapter Five 80x86 Assembly Program Development ? 3 ?. 5.6 ?????????????. ?? , ??????????????????? : ? ???? , ????? ? ?????? ? ?????????????? ? ??????? ????????????????????????????????. 5.6.1 ??????. ??. ?????????????????????????????

466 views • 28 slides

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512 views • 28 slides

Microprocessor System Design Interrupt

Microprocessor System Design Interrupt. Omid Fatemi (omid@fatemi.net). Outline. Interrupts Processor steps Interrupt service routine Input device with interrupt Polling vs. Interrupt. Interrupt. The microprocessor does not check if data is available.

619 views • 28 slides

Practical Session 2

Practical Session 2. A flag is a single bit of information whose meaning is independent from any other bit. Flags Register (Status Register). Each flag has a two-letter symbol. CF - Carry Flag

361 views • 22 slides

An Introduction to Programming the 80x86

Objectives: Breaking down a large program into small tasks How to write a software driver Reading character strings from a keyboard Packing BCD digits into a byte Item search and lookup in a data table Comparison of data strings Sorting algorithms

290 views • 17 slides

P189 4.10 ?????????????????10???????????????? BCD ?????? AH? ???? AL? ????? ???????????????

??? ????????. P189 4.10 ?????????????????10???????????????? BCD ?????? AH? ???? AL? ????? ???????????????. XOR BX?BX LOP ? MOV AH?01H INT 21H MOV AH?BH ADD AL?BL MOV BX?AX LOOP LOP. MOV CX?10. AND AL?0FH ? ??. AAA. ??? ????????. P189 4.11

343 views • 15 slides

Chapter 6

EE314 Microprocessor Systems. Chapter 6. Objectives: Breaking down a large program into small tasks How to write a software driver Reading character strings from a keyboard Packing BCD digits into a byte Item search and lookup in a data table Comparison of data strings Sorting algorithms

219 views • 12 slides

Library of common functions - emu8086

Library of common functions - emu8086. To make programming easier there are some common functions that can be included in your program. To make your program use functions defined in other file you should use the INCLUDE directive followed by a file name.

1.11k views • 12 slides

COSC 456 Lesson 8

COSC 456 Lesson 8. Cool Codes. ADD AL,SI AL AL + SI ADD AL,[SI] AL AL + [SI] INC BX BX BX + 1 INC [BX] Ambiguity error INC BYTE PTR [BX] [BX] [BX] + 1 INC WORD PTR [BX]

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264 views • 9 slides

CSC2510 - Computer Organization

CSC2510 - Computer Organization. Lecture 6: Pentium IA-32 Additional slides. Conditional jumps. DEC ECX JG STARTADD JG relates to results of the most recently executed data manipulation instruction (in this case DEC ECX) Jumps if result was > 0 (ECX > 0 in this case)

165 views • 9 slides