EasyManuals Logo

Texas Instruments MSP430 User Manual

Texas Instruments MSP430
413 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #370 background image
370
P3OUT = 0;
/* Port 3 Direction Register */
P3DIR = 0;
/* USER CODE START (section: GPIO_graceInit_epilogue) */
/* User code */
/* USER CODE END (section: GPIO_graceInit_epilogue) */
}
void BCSplus_graceInit(void)
{
/* USER CODE START (section: BCSplus_graceInit_prologue) */
/* User initialization code */
/* USER CODE END (section: BCSplus_graceInit_prologue) */
/*
* Basic Clock System Control 2
*
* SELM_0 -- DCOCLK
* DIVM_0 -- Divide by 1
* ~SELS -- DCOCLK
* DIVS_0 -- Divide by 1
* ~DCOR -- DCO uses internal resistor
*
* Note: ~<BIT> indicates that <BIT> has value zero
*/
BCSCTL2 = SELM_0 | DIVM_0 | DIVS_0;
if (CALBC1_1MHZ != 0xFF) {
/* Follow recommended flow. First, clear all DCOx and MODx bits. Then
* apply new RSELx values. Finally, apply new DCOx and MODx bit values.
*/
DCOCTL = 0x00;
BCSCTL1 = CALBC1_1MHZ; /* Set DCO to 1MHz */
DCOCTL = CALDCO_1MHZ;
}
/*
* Basic Clock System Control 1
*
* XT2OFF -- Disable XT2CLK
* ~XTS -- Low Frequency
* DIVA_0 -- Divide by 1
*
* Note: ~XTS indicates that XTS has value zero
*/
BCSCTL1 |= XT2OFF | DIVA_0;
/*
* Basic Clock System Control 3
*
* XT2S_0 -- 0.4 - 1 MHz
* LFXT1S_0 -- If XTS = 0, XT1 = 32768kHz Crystal ; If XTS = 1, XT1 = 0.4 - 1-
MHz crystal or resonator
* XCAP_1 -- ~6 pF
*/
BCSCTL3 = XT2S_0 | LFXT1S_0 | XCAP_1;

Table of Contents

Other manuals for Texas Instruments MSP430

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Texas Instruments MSP430 and is the answer not in the manual?

Texas Instruments MSP430 Specifications

General IconGeneral
BrandTexas Instruments
ModelMSP430
CategoryMicrocontrollers
LanguageEnglish

Related product manuals