Texas Instruments MSP430 User Manual

38
Code Example
#include <msp430.h>
void BCSplus_graceInit(void);
void GPIO_graceInit(void);
void WDTplus_graceInit(void);
void System_graceInit(void);
void main(void)
{
/* Stop watchdog timer from timing out during initial start-up. */
WDTCTL = WDTPW | WDTHOLD;
/* 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();
while(1)
{
P1OUT ^= BIT6;
_delay_cycles(1);
};
}
void BCSplus_graceInit(void)
{
/* USER CODE START (section: BCSplus_graceInit_prologue) */
/* User initialization code */
/* USER CODE END (section: BCSplus_graceInit_prologue) */
/*
* Basic Clock System Control 2
*
* SELM_0 -- DCOCLK
* DIVM_1 -- Divide by 2
* SELS -- XT2CLK when XT2 oscillator present. LFXT1CLK or VLOCLK when XT2
oscillator not present
* DIVS_3 -- Divide by 8
* ~DCOR -- DCO uses internal resistor
*
* Note: ~DCOR indicates that DCOR has value zero
*/
BCSCTL2 = SELM_0 | DIVM_1 | SELS | DIVS_3;
if (CALBC1_1MHZ != 0xFF) {
/* Follow recommended flow. First, clear all DCOx and MODx bits. Then

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)