fet430_oa1_ugb.c

来自「msp430F435做的医疗器械,包括语音模块,知识源于网络」· C语言 代码 · 共 35 行

//******************************************************************************
//   MSP-FET430P430 Demo - OA1 Configured For Unity-Gain Buffer Mode
//
//   Description; Configure OA1 of the MSP430FG439 for Unity-Gain Buffer mode
//   //* MSP430FG439 Device Required*//
// 
//                MSP430FG439
//             -------------------
//         /|\|                XIN|-  
//          | |                   |
//          --|RST            XOUT|-
//            |                   |
//            |      P6.4/A4/OA1I0|<-  Input
//            | P6.3/A3/OA1I1/OA1O|->  Buffered OA1 Output
//            |                   |
//
//   M.Mitchell
//   Texas Instruments, Inc
//   April 2004
//   Built with IAR Embedded Workbench Version: 2.21B
//******************************************************************************

#include  <msp430xG43x.h>

void main(void)
{
  WDTCTL = WDTPW + WDTHOLD;             // Stop watchdog timer
  OA1CTL0 = OAPM_1 + OAADC1;            // Select inputs, power mode
  OA1CTL1 = OAFC_1 + OARRIP;            // Mode, rail-to-rail inputs
  
  LPM3;                                 // LPM3
  _NOP();                               // required for C-SPY

}