r8c2c2d_s002_reset_init.c

基于日立单片机的同步收发程序。支持R8C2C/2D(5.0V/20MHz)单片机

/************************************************************************************
*                                                                                   *
*   System file name	: r8c2c2d_s002_reset_init.c                               	*
*	System name			: R8C2C/2D(5.0V/20MHz) 										*
*																					*
*   Version     		: 1.00                                                      *
*	ROM size			: -															*
*	RAM size			: -															*
*	Contents			: Initialization program after resets 						*
*   note        		: New 	2007-03-03  		 								*
*                                                                                   *
************************************************************************************/
/************************************************************
*	Include file											*
/***********************************************************/

#include "sfr_r8c2c2d.h"									/* Definition of the R8C/2C,2D SFR for Sango */

/************************************************************
*	Declaration of function prototype    	         		*
************************************************************/
void reset_init(void);										/* Initial setting of processor and system clock control registers */

/*** Extern ***/

/*** Static ***/

/************************************************************
*	Declaration of interrupt   			 	         		*
************************************************************/

/************************************************************
*	Definition of RAM area   			 	         		*
************************************************************/
/*** Input parameters ***/

/*** Output parameters ***/

/*** Static ***/

/************************************************************
*	Definition of base section   			         		*
************************************************************/

/************************************************************
*	Definition of port			   			         		*
************************************************************/

/************************************************************
*	Data table			   			         		 		*
************************************************************/

/************************************************************************************
Name		:reset_init
Parameters	:-
Returns		:-
Description	:Initial setting of processor and system clock control registers
************************************************************************************/
void reset_init(void){

	prc0 = 1;												/* Protect off : System control resistor protect cancellation */
	cm11 = 0;												/* Xin-Xout On-chip feed back resistor enabled */
	cm13 = 1;												/* Xin-Xout pin */
	cm15 = 1;												/* Xin-Xout drive capacity select bit : HIGH */
	asm("NOP");												/* Waiting for stable of oscillation */
	asm("NOP");												/* Waiting for stability */
	cm05 = 0;												/* Main clock : oscillation */
	asm("NOP");												/* Waiting for stability */
	asm("NOP");												/* Waiting for stability */
	cm16 = 0;												/* Main clock = No division mode:20MHz */
	cm17 = 0;												/* Main clock = No division mode:20MHz */
	asm("NOP");												/* Waiting for stability */
	asm("NOP");												/* Waiting for stability */
	cm06 = 0;												/* Main clock division : CM16 and CM17 enabled */
	cm07 = 0;												/* System clock is selected */
	asm("NOP");												/* Waiting for stability */
	asm("NOP");												/* Waiting for stability */
	ocd2 = 0;												/* Main clock change */

	cm12 = 0;												/* Xcin-Xcout On-chip feed back resistor enabled */
	cm04 = 1;												/* Xcin-Xcout oscillation function is selected */
	asm("NOP");												/* Waiting for stability */
	asm("NOP");												/* Waiting for stability */
	prc0 = 0;												/* Protect on : System control resister protect */
}
/************************************************************************************
Name		:-
Parameters	:-
Returns		:-
Description	:-
************************************************************************************/