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#Advanced Processors LPC2148 Datasheet Download

on January 04, 2018

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Circuit Diagram: // Code for 16x2 interfacing with ARM7: #include<lpc214x.h> #define LCD_PORT 0x00FF0000 #define EN 1<<10 //define RS pin #define RS 1<<11 //define EN pin #define RW 1<<20 //define RW pin #define LCD_SHIFT 16 //shift data by LCD_SHIFT bits void LCD_init(void); void LCD_data(unsigned char); void LCD_cmd(unsigned char); void LCD_display(int, int, char*); void lcd_delay(unsigned int time) { int i,j; for(i=0;i<time;i++) for(j=0;j<200;j++); } void LCD_data(unsigned char ch) //function to send data { IOCLR1 = LCD_PORT; //clear LCD pins IOSET1 = ch<<LCD_SHIFT; //shift data and set only the data bits IOSET0 = RS; //RS =1 IOCLR0 = RW; //RW = 0 IOSET0 = EN; lcd_delay(100); IOCLR0 = EN; //EN pulse } void LCD_cmd(unsigned char ch) //function to send command { ...

8051 Embedded C code for generating a triangular wave using an 8-bit DAC (Digital-to-Analog Converter)

#include <reg51.h> // Define the DAC output port #define DAC_PORT P1 // Function to generate delay void delay(unsigned int ms) { unsigned int i, j; for (i = 0; i < ms; i++) { for (j = 0; j < 123; j++); } } // Main function void main() { unsigned char dac_value = 0; unsigned char step = 1; while (1) { // Set the DAC output value DAC_PORT = dac_value; // Delay for a short period delay(1); // Update the DAC value for the next step dac_value += step; // Check if the DAC value reaches the maximum or minimum if (dac_value == 0xFF || dac_value ==...

Write an assembly program for memory transfer

; Memory Transfer org 00h mov r0,#30h //source address D: 0030H mov r1,#40h //destination address mov r7,#05h //count, the number of data to be exchanged back: mov a,@r0 mov r4,a mov a,@r1 mov @r0,a mov a,r4 mov @r1,a inc r0 inc r1 djnz r7,back end

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#Advanced Processors LPC2148 Datasheet Download

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