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 Categories >> Software >> Embedded Systems
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Question Asked @ Answers Views     Select
what is the undefined bits in flag registers of 8085 microprocessor?    0  134
how to know weather the controller is 16 bit or 32 bit?    1  791
How can to check the working of a sensor deployed in a project?    0  267
in a sn SR latch made by using cross coupling of two nand gates, if both S andR inputs set o then it will result isro   1  2233
look at following code void foo(void) { unsigned int a = 6; int b = -20; int c = (a+b > 6) ? 1:0; } o/p is 1 why explain promotion rules    1  2145
verify nmos passes good logic 0 and passes bad logic 1.also verify that pmos passes good logic 1 and passes bad logic 0. hp   2  15443
Calculate rise delay of a 3-input NAND gate driving a 3-input NOR gate through a 6mm long and 0.45m wide metal wire with sheet resistance R = 0.065 / and Cpermicron= 0.25 fF/m. The resistance and capacitance of the unit NMOS are 6.5k and 2.5fF. Use a 3 segment -model for the wire. Consider PMOS and NMOS size of reference inverter as 2 and 1 respectively. Use appropriate sizing for the NAND and NOR gate.    0  1949
What is the mealy and moore machine's state diagram that can detect 3 consecutive heads of 3 coins ?    2  4174
What is an anti aliasing filter? Why is it required? honeywell   6  9246
How do you implement a fourth order Butterworth LP filter at 1kHz if sampling frequency is 8 kHz? honeywell   1  4562
please send me the faq's in technical interviews on cand datastructures , unix(shell scripting).    0  1306
can please tel me faq's asking in interviews on microcontrollers tcs   0  1962
what is the difference between the testing and verification? intel   1  3614
im using I2C communication, in that first im sending address of thesalve and then data then after i want to read the data which i was sent recently, in that case before im reading is there any need to send a stop bit before read.    1  3434
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Un-Answered Questions
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Are you familiar with the term snooping? 1428
Given a circuit and asked to tell the output voltages of that circuit? 939
Differences between Array and Booth Multipliers? 2157
This program is in verilog and need help to get it working correctly. This is the code i have so far. Please help. Simple testbench would be great. Thanks\ 'define vend_a_drink {D,dispense,collect} = {IDLE,2'b11}; module drink_machine(nickel_in, dime_in, quarter_in, collect, nickel_out, dime_out, dispense, reset, clk) ; parameter IDLE=0,FIVE=1,TEN=2,TWENTY_FIVE=3, FIFTEEN=4,THIRTY=5,TWENTY=6,OWE_DIME=7; input nickel_in, dime_in, quarter_in, reset, clk; output collect, nickel_out, dime_out, dispense; reg collect, nickel_out, dime_out, dispense; reg [2:0] D, Q; /* state */ // synopsys state_vector Q always @ ( nickel_in or dime_in or quarter_in or reset ) begin nickel_out = 0; dime_out = 0; dispense = 0; collect = 0; if ( reset ) D = IDLE; else begin D = Q; case ( Q ) IDLE: if (nickel_in) D = FIVE; else if (dime_in) D = TEN; else if (quarter_in) D = TWENTY_FIVE; FIVE: if(nickel_in) D = TEN; else if (dime_in) D = FIFTEEN; else if (quarter_in) D = THIRTY; TEN: if (nickel_in) D = FIFTEEN; else if (dime_in) D = TWENTY; else if (quarter_in) 'vend_a_drink; TWENTY_FIVE: if( nickel_in) D = THIRTY; else if (dime_in) 'vend_a_drink; else if (quarter_in) begin 'vend_a_drink; nickel_out = 1; dime_out = 1; end FIFTEEN: if (nickel_in) D = TWENTY; else if (dime_in) D = TWENTY_FIVE; else if (quarter_in) begin 'vend_a_drink; nickel_out = 1; end THIRTY: if (nickel_in) 'vend_a_drink; else if (dime_in) begin 'vend_a_drink; nickel_out = 1; end else if (quarter_in) begin 'vend_a_drink; dime_out = 1; D = OWE_DIME; end TWENTY: if (nickel_in) D = TWENTY_FIVE; else if (dime_in) D = THIRTY; else if (quarter_in) begin 'vend_a_drink; dime_out = 1; end OWE_DIME: begin dime_out = 1; D = IDLE; end endcase end end always @ (posedge clk ) begin Q = D; end endmodule 1881
What happens if we use an Inverter instead of the Differential Sense Amplifier? 1353
If not into production, how far did you follow the design and why did not you see it into production? 648
What is Body Effect? 882
What does the above code synthesize to? 806
what is the undefined bits in flag registers of 8085 microprocessor? 134
Differences between IRSIM and SPICE? 2818
Implement a function with both ratioed and domino logic and merits and demerits of each logic? 1756
What types of CMOS memories have you designed? What were their size? Speed? 1138
Working of a 2-stage OPAMP? 1400
Implement a 2 I/P and gate using Tran gates? 2074
What's the price in 1K quantity? 1204
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