Texas Instruments MSP430 User Manual

77
Code Example
#include <msp430.h>
#include "delay.h"
#include "SW_I2C.h"
#include "PCF8574.h"
#include "lcd.h"
void Flash_graceInit(void);
void GPIO_graceInit(void);
void BCSplus_graceInit(void);
void System_graceInit(void);
void WDTplus_graceInit(void);
void lcd_print(unsigned char x_pos, unsigned char y_pos, unsigned char value);
void Flash_Erase(unsigned int address);
void Flash_Write_Char(unsigned int address, char value);
char Flash_Read_Char(unsigned int address);
void Flash_Write_Word(unsigned int address, unsigned int value);
unsigned int Flash_Read_Word(unsigned int address);
void main(void)
{
unsigned char value = 0x00;
/* Stop watchdog timer from timing out during initial start-up. */
WDTCTL = WDTPW | WDTHOLD;
/* initialize Config for the MSP430F2xx Flash Memory Controller */
Flash_graceInit();
/* initialize Config for the MSP430 GPIO */
GPIO_graceInit();
/* initialize Config for the MSP430 2xx family clock systems (BCS) */
BCSplus_graceInit();
/* initialize Config for the MSP430 System Registers */
System_graceInit();
/* initialize Config for the MSP430 WDT+ */
WDTplus_graceInit();
LCD_init();
LCD_clear_home();
LCD_goto(0, 0);
LCD_putstr("MSP430 Flash Ex.");
value = Flash_Read_Char(0x1000);
LCD_goto(0, 1);
LCD_putstr("WR: ---");
LCD_goto(9, 1);
LCD_putstr("RD:");
lcd_print(13, 1, value);
delay_ms(2000);

Texas Instruments MSP430 Specifications

General

Program Memory Type	Flash
Clock Speed	Up to 25 MHz (depending on the specific device)
Flash Memory	Up to 512 KB (depending on the specific device)
RAM	Up to 66 KB (depending on the specific device)
Operating Voltage	1.8V - 3.6V (depending on the specific device)
ADC	10-bit or 12-bit SAR ADC
Communication Interfaces	UART, SPI, I2C, USB
DMA	Yes (depending on the specific device)
Operating Temperature	-40°C to +85°C
Architecture	16-bit RISC
Low Power Modes	Multiple (LPM0 to LPM4)