//***************************************************************************** // MSP430xG46x Demo - OA1, Unity-Gain Buffer Mode // // Description: Configure OA1 for Unity-Gain Buffer mode. // ACLK = 32.768kHz, MCLK = SMCLK = default DCO // // MSP430xG461x // ------------------- // /|\| XIN|- // | | | // --|RST XOUT|- // | | // "+" -->|P6.4/OA1I0 | // | | // | P6.3/OA1O|--> OA1 Output // | | // // K. Quiring / A. Dannenberg // Texas Instruments Inc. // June 2007 // Built with IAR Embedded Workbench Version: 3.41A //***************************************************************************** #include void main(void) { WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer OA1CTL0 = OAPM_1 + OAADC1; // Select inputs, power mode OA1CTL1 = OAFC_1 + OARRIP; // Unity gain buffer mode, // limited range (see datasheet) __bis_SR_register(LPM3_bits + GIE); // LPM3 }