?? msp430x22x4_oa_05.c
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//******************************************************************************
// MSP430F22x4 Demo - OA0, Unity-Gain Buffer Mode
//
// Description: Configure OA0 for Unity-Gain Buffer mode.
// ACLK = n/a, MCLK = SMCLK = default DCO
//
// MSP430F22x4
// -------------------
// /|\| XIN|-
// | | |
// --|RST XOUT|-
// | |
// "+" -->|P2.0/A0/OA0I0 |
// | |
// | P2.1/A1/OA0O|--> OA0 Output
// | | Gain is 1
//
// 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
OA0CTL0 = OAPM_1 + OAADC1; // "+" connected to OA0IO (default),
// Slow slew rate,
// Output connected to A1/OA0O
OA0CTL1 = OAFC_2; // Unity gain buffer mode
ADC10AE0 = 0x03; // P2.1/0 analog function select
LPM3; // Enter LPM3
}
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