'D0 d7' presentation slideshows

Data Transfer Group

Data Transfer Group. ECE 511: Digital System & Microprocessor. What we will learn in this session. Data transfer group instructions: Moving data around. Data Transfer Group. Instructions to Move data around. Assign values to registers, memory. Manipulate data. MOVE (Move Data).

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???. 80C51 ?????. ??????. 80C51 ??? D/A ??? ?????. 80C51 ??? A/D ??? ?????. 80C51 ????? ??. A/D ? D/A ??. ???. A/D. D/A. ???? ??. ?? ???. ?????????. ?? D/A ???????????. ?. D/A ?????. ?. D/A ????????. D/A ????????????. ?. ?. DAC0832 ???????????. 1 ? D/A ?????.

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Engineering 4862 Microprocessors Lecture 24

Engineering 4862 Microprocessors Lecture 24. Cheng Li EN-4012 licheng@engr.mun.ca. Control Word of 8255. Group B. D 7. D 6. D 5. D 4. D 3. D 2. D 1. D 0. Port C Lower PC 3 -PC 0 1 = input, 0 = output. Port B 1 = input, 0 = output. Mode Selection 0 = Mode0, 1 = Mode1.

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???? ???????? 1 ?. ????? ?? RAM ??? ROM ?????????? ; ?? I/O ?? ??????????? ; ?? 8255,8155 ???? , ?????? ; LED ???????????????? ?????????????. RAM,ROM ?????. ????? ?????????. ???????????????????? , ???????????????.

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8253/54 Timer

8253/54 Timer. Section 5.1 8253/54 Timer Description and Initialization PTI (programmable Interval Timer) The 8253 chip was used in the IBM PC/XT, but starting with the IBM PC/AT, the 8254 replaced the 8253. 8253 and 8254 have exactly the same pinout. 8254 is a superset of the 8253.

694 views • 19 slides