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Microcontroller and Embedded systems Questions and Scheme of Evaluation

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First Internals 1. (a). List the key differences between Microprocessor & Microcontroller (b). Interpret the concept of Pipeline in ARM Processors with respect to 3, 5 and 6 stages 2. (a). Explain the concept of Combined Cache and Tightly Coupled Memory as part of Core Extension in ARM processors (b). Compare RISC Processors and CISC Processors by considering appropriate parameters 3. Explain the components of the typical Embedded System Hardware with a neat diagram 4. Summarize the ARM Core data flow model with a neat diagram 5. Classify (only names) the ARM Instructions set and show the operation of the following instructions with the syntax and example (i). LDR (ii). BL (iii). SMULL (iv). LDMIA 6. Illustrate the operation of Barrel Shifter for the following ARM instructions, write the value at r7 after executing each instruction along with CPSR conditional flag nzcv bit value (i) MOV r7,r5, LSL #2 (Consider r5=0x80000004) (ii) MOV r7,r5, LSR #2 (Consider r5=0x00000008) ...
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MICROCONTROLLER AND EMBEDDED SYSTEMS LABORATORY Part B

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 Program 9 Display “Hello World” message using Internal UART. #include<lpc21xx.h> void Uart0Init(void) //initialize serial interface { PINSEL0=0X00000005; // enable RXD0 (P0.1) & TXD0 (P0.0) U0LCR = 0X83; // 8 bits, no parity, 1 stop bit U0DLL = 97; // 9600 Baud rate @ 15MHz PCLK U0LCR = 0X03; // DLAB = 0 } void Uart0PutCh(unsigned char ch) //write char to serial port { U0THR = ch; // Transmission hold register while(!(U0LSR & 0x20)); //checking whether the Char is completely transmitted, // TX= 0 or 1 // if tx bit =1 , complete transmission of a char to PC has been done } void uart_print(char *a) { int i; for(i=0;a[i]!='\0';i++) Uart0PutCh(a[i]); //one char at a time is transmitted using this function } int main() { Uart0Init(); // function call to initialize LPC2148 uart_print("Hello World"); // function call to transmit the data to PC } Program explanation and Demo:  UART  Program 10  Interface and Control a DC Motor.  //#define MOTOR 0x00000060...
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MICROCONTROLLER AND EMBEDDED SYSTEMS LABORATORY Part A

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1. Write a program to multiply two 16 bit binary numbers. Program:  area multiply, code, readonly entry ldr r5,=value1 ldrh r0,[r5]  ldr r6,=value2 ldrh r1,[r6] mul r3,r1,r0 stop b stop value1 DCD 0x08 value2 DCD 0x03 end Program explanation and Demo:  MCES Lab 1 2. Write a program to find the sum of first 10 integer numbers. Program: AREA ADDITION, CODE, READONLY ENTRY ;MARK FIRST INSTRUCTION TO EXECUTE MOV r0, #10 ; STORE INTEGER NUMBER IN R0 MOV r1,r0  ADDIT SUBS r1, r1, #1 ; SUBTRACTION CMP r1, #0 ; COMPARISON BEQ DONE ADD r3,r0,r1 ; ADDITION MOV r0,r3 ; RESULT     BNE ADDIT ; BRANCH TO THE LOOP IF NOT EQUAL DONE LDR R4,=RES STR R0,[R4]   LDR R5,[R4] STOP B STOP AREA DATA1,DATA,READWRITE RES DCD 0X000 END ;MARK END OF FILE Program explanation and Demo:  MCES Lab 2      3. Write a program to find factorial of a number. Program :  AREA FACT,READONLY,CODE ;Write ...
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