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- For a microprocessor similar to ATmega328p an 8 bit ADC uses a VREF = 3.3 V. When an analog read is executed the return value is 112. What Voltage is present on the input? Enter the value in the box provided in mV. Round to the nearest mV.The required 7-segmrnt decoder should have 3-inputs (which are the bits of the binary number desired to be designed, call them A,B,C), and 7 outputs (the 7 segments of the display unit which are a, b, c, d, e, f & g). 8. gf a b t la Ob d Dp e d8c Dp The 7-segment to be used is of common anode type. Consequently, any segment will be ON if its input is Low, meaning that for displaying 0 the segments inputs (a,b,c,d,e,f.g) should be (0000001), or g will be OFF while all the others are ON. 1- Make a table explaining the inputs and the corresponding outputs for the 6 combinations input (000.101), assuming the other two combinations as don't care. 2- Find the output as a function of the inputs (A,B,C) using K-map to minimize the expressions 3- Show your design using 2-input, and 3-input NAND gates, and inverter.1. For the Intel 8086 microprocessor interface diagram below chose the suitable ICs to be connected in the three blocks, write the selected IC Name in each block. Draw the generated read and write control signals +Vcc 8282 8-bit latch Dig DI₁2 0₂¹ Di DIA Dis D7 20 VCC 15 000 18001 1700₂ 1600₂ 15 DO 14 005 1300 Oly JE 12 007 GND 10 11 STB с 0 8282 YO Y1 A Y2 B 74LS138 Y3 JaGIWNI8 3-8 Decoder Y4 Y5 Y6 7 Y7 G2A G2B G1 99 CLK READY RESET 2222222 20 A2 A1 An 11 MN/MX 8086 CPU 10 GND 8286 8-bit transceiver A1g-A16 AD15-ADO & & E 19 11,1 H-17 8. 16 B, 15 ALE BHE 070- 00 8205 00- 3-8 DEC 040- DEN DT/R HOLD HLDA INTR INTA 00- 020- 010- O 0 MIO WR RD DIR STB 74LS245 8bit Bidirectional buffer X1 10 X2 DE 8284A Clock Generator GND ₁18 B₂ 17 B 16 15 14 By 12 11 IDD 2D 3D 4D SD 6D 7D 8D 74LS373 8bit latch CLK BHE Address Bus G OC Enable output control 10 20 30 40 50 Data Bus 60 70 30
- 4.5 What is the conversion time for a 12-bit ADC with a clock frequency of 1 MHz?1- Explain the operation of the PCM encoder used in module ED-2960F. 2- Discuss the advantages and disadvantages of the counter-type ADC. 3- Is the conversion time of the ADC constant or variable? What parameter does control it? 4- What are other types of ADCS? 5- Discuss the effect of changing the number of bits on the recovered analog1.Without using the MUL instruction, give instructions that multiply register r4 by: a)128 b)253
- 1. Maximum operating frequency of PIC microcontroller is 8 MHZ 12 MHZ 16 MHZ 20 MHZ 2. PIC 16f877a has type of ROM ROM PROM EPROM EEPROM 3. Maximum operating frequency of PIC microcontroller is 8 MHZ 12 MHZ 16 MHZ 20 MHZ 4. PIC 16F877A HAS TOTAL NUMBER OF PINS 28 40 42 33 5. What is the file extension is used to load in a microcontroller to execute an instruction? • .doc • C • txt .hex 6. PIC16F877A as other PIC families is implemented using RISC approach, with only 33 instructions. True • False 7. PIC is generally comes with a variety of families; PIC16 with (Mid-range) family True False1. Letter A at the end of PIC16F877A means that this MCU is an -- 2. Technology approach for microcontroller is- 3. when type the body of the program, any program must contain some important lines, the fuses line will set the -------- in the PIC. 4. for simulating PIC response, We will use- 5. suppose that we need to display number 5 on a common cathode 7-seg then we must feed segments --------- with Vcc and segment -- with GND. program.A multiplexer a.Takes a single data input and routes it to one of several outputs b.Selects from many data sources c.converts a binary code input to a single output d.converts a single input to a binary code
- IV) Convert Decimal to Hexadecimal (a) 974510 (b) 2976.5410 V) Convert from Binary to Hexadecimal (a) 10010110101012 (b) 111011101.010101012 VI) Convert from Hexadecimal to Binary (a) 7CAB516 (b) AF2.12B16ir I need the solution step by step and clear line please Example Assuming that a 3-bit ADC channel accepts analog input ranging from 0 to 5volts, determine a- The number of quatization levels b- The step size of the quantizer or resolution. c- The quantization level when the analog voltage is 3.2 volts. d- The binary code produced by the ADC. e- The quatization error when the analog voltage is 3.2 volts.A Pic16F84A microcontroller have to read from two external sensors from RA4 and RAS in the PORTA, for that TRISA register must be configured as O a. 0x07 O b. 0X06 OC 0X18 Od 0X30 To read a digital sensor's values, it should be connected to the Arduino through: O a SV pin O b. Any 0-13 pins. Oc 3.3 V pin. O d. Any A0-AS pins.