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//******************************************************************************
// MSP430F22x4 Demo - OA1, General-Purpose Mode
//
// Description: Configure OA1 for General-Purpose mode. In this mode, all
// OA connections are available externally.
// ACLK = n/a, MCLK = SMCLK = default DCO
//
// MSP430F22x4
// -------------------
// /|\| XIN|-
// | | |
// --|RST XOUT|-
// | |
// "+" -->|P2.4/A4/OA1I0 |
// "-" -->|P2.3/A3/OA1I1 |
// | |
// | P4.4/A13/OA1O|--> OA1 Output
// | |
// | |
//
// A. Dannenberg
// Texas Instruments Inc.
// March 2006
// Built with CCE Version: 3.2.0 and IAR Embedded Workbench Version: 3.41A
//******************************************************************************
#include "msp430x22x4.h"
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
OA1CTL0 = OAN_1 + OAPM_1 + OAADC0; // "+" connected to OA1I0 (default),
// "-" connected to OA1I1,
// Slow slew rate,
// Output connected to A13/OA1O
ADC10AE0 = 0x18; // P2.4/3 analog function select
ADC10AE1 = 0x20; // P4.4 analog function select
LPM3; // Enter LPM3
}
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