msp430xg46x_oa_03.c

TI提供的MSP430开发例程,适合初学者练习各个功能模块的使用

//*****************************************************************************
//  MSP430xG46x Demo - OA0, General-Purpose Mode
//
//  Description: Configure OA0 for General-Purpose mode.
//  ACLK = 32.768kHz, MCLK = SMCLK = default DCO
//
//                MSP430xG461x
//             -------------------
//         /|\|                XIN|-
//          | |                   |
//          --|RST            XOUT|-
//            |                   |
//     "+" -->|P6.0/OA0I0         |
//     "-" -->|P6.2/OA0I1         |
//            |                   |
//            |          P6.1/OA0O|--> OA0 Output
//            |                   |
//            |                   |
//
// K. Quiring / A. Dannenberg
// Texas Instruments Inc.
// June 2007
// Built with IAR Embedded Workbench Version: 3.41A
//*****************************************************************************
#include  <msp430xG46x.h>

void main(void)
{
  WDTCTL = WDTPW + WDTHOLD;                 // Stop watchdog timer
  OA0CTL0 = OAN_1 + OAPM_1;                 // Select inputs, power mode
  OA0CTL1 = OARRIP;                         // Limited range (see datasheet)

  __bis_SR_register(LPM3_bits + GIE);       // LPM3
}