a) What are the pin numbers of, i) XTAL1 and ii) XTAL2 of the 8051 microcontrollers?...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
a) What are the pin numbers of, i) XTAL1 and ii) XTAL2 of the 8051 microcontrollers? State the function of these two pins. (3 Marks) b) State the bit size (8-bit or 16-bits) for the following Registers from i) to v) for the 8051 Microcontrollers. (5 Marks) i) Data pointer (1 Mark) ii) Timer Mode Register (1 Mark) iii) Program Status Word (1 Mark) iv) Timer 1 Low Byte (1 Mark) v) Program Counter (1 Mark) c) Demonstrate the calculation with results (hexadecimal and binary formats) and show the status of the CY, AC and P flag after the addition of 55H and 6FH in the following instructions. (5 Marks) MOV A, #55H ADD A, #6FH d) Find the period of the machine cycle to execute an instruction "DIV AB" for the 8051 microcontroller systems if the crystal frequency is 16MHZ. (2 Marks) e) Give the addressing modes of the following instructions from i) to v). (5 Marks) i) MOVX A, @DPTR ii) iii) iv) MOV A, #20H MOV A, R3 MOVC B, @A + PC MOV A, 20H v) a) What are the pin numbers of, i) XTAL1 and ii) XTAL2 of the 8051 microcontrollers? State the function of these two pins. (3 Marks) b) State the bit size (8-bit or 16-bits) for the following Registers from i) to v) for the 8051 Microcontrollers. (5 Marks) i) Data pointer (1 Mark) ii) Timer Mode Register (1 Mark) iii) Program Status Word (1 Mark) iv) Timer 1 Low Byte (1 Mark) v) Program Counter (1 Mark) c) Demonstrate the calculation with results (hexadecimal and binary formats) and show the status of the CY, AC and P flag after the addition of 55H and 6FH in the following instructions. (5 Marks) MOV A, #55H ADD A, #6FH d) Find the period of the machine cycle to execute an instruction "DIV AB" for the 8051 microcontroller systems if the crystal frequency is 16MHZ. (2 Marks) e) Give the addressing modes of the following instructions from i) to v). (5 Marks) i) MOVX A, @DPTR ii) iii) iv) MOV A, #20H MOV A, R3 MOVC B, @A + PC MOV A, 20H v)
Expert Answer:
Answer rating: 100% (QA)
a XTAL1 has pin number 19 XTAL2 has pin number 18 XTAL1 and XTAL2 These are two pins f... View the full answer
Related Book For
Posted Date:
Students also viewed these accounting questions
-
Noreen transfers to Spindle Corporation depreciable machinery originally costing $17,000 and now having a $12,000 adjusted basis. In exchange, Noreen receives all 350 shares of Spindle stock having a...
-
Two rods AC and CE are connected by a pin at C and by a spring AE. The constant of the spring is 1.5 lb/in., and the spring is unstretched when θ = 30°. Knowing that l = 10 in. and...
-
The slotted arm AB drives the pin C through the spiral groove described by the equation r = (1.50) ft, where 0 is in radians. If the arm starts from rest when 0 = 60o and is driven at an angular rate...
-
Find the area between the parabolas y = 2x 2 + 1 and y = x 2 + 5.
-
The chairman of a state legislature's nance committee has charged that the Division of Taxation's computer systems are in chaos and, as a consequence, the state is failing to collect hundreds of...
-
Consider the Deacon and Sonstelie (1985) approach to valuing time described in the text on p. 216. Imagine that two cars are equivalent to one another in every way (such as gas mileage) except for...
-
You are auditing the financial statements of Aardvark Wholesalers, Inc. (AW), a wholesaler with operations in 12 western states and total revenues of about $125 mil lion. You are carrying out an...
-
Ball Corporation purchased 30 percent of Krown Companys common stock on January 1, 20X5, by issuing preferred stock with a par value of $50,000 and a market price of $120,000. The following amounts...
-
Internet Hall of Fame". post a comment (just a few sentences) about something on the site that interests you
-
J.A. Coghill owned a used Rolls Royce Corniche automobile, which he sold to a man claiming to be Daniel Bellman. Bellman gave Coghill a cashiers check for $ 94,500. When Coghill tried to cash the...
-
Describe the moral person aspect relative to ethical leadership. as well asIn 450 words, describe the moral manager dimension of ethical leadership. Provide Research for future research.
-
Refer to this income statement of Salesforce https://finance.yahoo.com/quote/CRM/financials?p=CRM Use the financial statements of above company and identify where are the various cost shown and the...
-
Help me with a quantitative/ empirical methodology with this Research Topic of The Impact of social media on students' academic performance. I am looking at using internet use and problematic...
-
ASK YOUR TEACHER Election returns are broadcast in a town of 1 million people, and the number of people who have heard the news within t hours is 1,000,000(1-e-0.4). How long will it take for 950,000...
-
You are a special event planner, creating a special event for a client or your boss. You know the best way to get people to come to your event will be to use social media marketing techniques, which...
-
What are secondary publics for a candle company? Examples of secondary publics .
-
Bridgeport Manufacturing produces wooden outdoor furniture. Bridgeport uses the direct method to allocate service department costs to the production departments. There are two service departments:...
-
Fill in each blank so that the resulting statement is true. A solution to a system of linear equations in two variables is an ordered pair that__________ .
-
(a) Why are dynamic routing protocols needed? (b) What is the main TCP/IP interior dynamic routing protocol for large networks? (c) What is the main TCP/IP exterior dynamic routing protocol? (d) Why...
-
How might broad economic concerns make an organization's information systems less secure?
-
A company is warned by its credit card companies that it will be classified as a high-risk firm unless it immediately reduces the number of fraudulent purchases made by its e-commerce clients. Come...
-
Some corporate executives have reportedly attempted to manage their firms operating revenues through such actions as front-end loading or rear-end loading of operating revenues. Explain the concepts...
-
Investment professionals use a variety of financial ratios to evaluate a companys financial risk. Two popular financial risk ratios include: 1. Long-term debt-to-equity ratio 2. Interest coverage...
-
Describe or define the following key performance indicators (KPIs) from the statement of cash flow: 1. Cash flow from operating activities 2. Cash flow from investing activities 3. Cash flow from...
Study smarter with the SolutionInn App