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//******************************************************************************
// MSP430F20xx Demo - Basic Clock, Output Buffered SMCLK, ACLK and MCLK/10
//
// Description: Buffer ACLK on P2.0, default SMCLK(DCO) on P1.4 and MCLK/10 on
// P1.1.
// ACLK = LFXT1 = 32768, MCLK = SMCLK = default DCO
// //* External watch crystal installed on XIN XOUT is required for ACLK *//
//
// MSP430F20xx
// -----------------
// /|\| XIN|-
// | | | 32kHz
// --|RST XOUT|-
// | |
// | P1.4/SMCLK|-->SMCLK = Default DCO
// | P1.1|-->MCLK/10 = DCO/10
// | P1.0/ACLK|-->ACLK = 32kHz
//
// M. Buccini / L. Westlund
// Texas Instruments Inc.
// October 2005
// Built with CCE Version: 3.2.0 and IAR Embedded Workbench Version: 3.40A
//******************************************************************************
#include <msp430x20x3.h>
void main(void)
{
WDTCTL = WDTPW +WDTHOLD; // Stop Watchdog Timer
P1DIR |= 0x13; // P1.0,1 and P1.4 outputs
P1SEL |= 0x11; // P1.0,4 ACLK, SMCLK output
while(1)
{
P1OUT |= 0x02; // P1.1 = 1
P1OUT &= ~0x02; // P1.1 = 0
}
}
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