Renesas Asynchronous SH7145F Manuel d'utilisateur télécharger pdf (Page 14)

SH7145F

Asynchronous Serial Data Transmission/Reception

REJ06B0357-0100O/Rev.1.00 March 2004 Page 14 of 17

6. Program Listing

/**************************************************************/

/* SH7145F Application Note */

/* */

/* Function */

/* :SCI1 */

/* */

/* External input clock : 12.5MHz */

/* Internal CPU clock : 50MHz */

/* Internal peripheral clock : 25MHz */

/* */

/* Written :2003/7 Rev.1.0 */

/**************************************************************/

#include "iodefine.h"

#include <machine.h>

/*------------ Symbol Definition ----------------------------------------------*/

#define COUNT 3

/*------------ Function Definition --------------------------------------------*/

void main(void);

void init_sci(void);

unsigned char rcv_sci(unsigned char);

void trans_sci(char);

void err_int(void);

void dummy_f(void);

/*------------ RAM allocation Definition --------------------------------------*/

volatile unsigned char Rev_data[COUNT];

/**************************************************************/

/* main Program */

/**************************************************************/

void main( void )

{

unsigned chari=0;

init_sci(); /* Initialize SCI */

i = rcv_sci(i); /* Receive 1st byte of serial data */

i = rcv_sci(i); /* Receive 2nd byte of serial data */

i = rcv_sci(i); /* Receive 3rd byte of serial data */

while(1); /* LOOP */

}

/**************************************************************

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Renesas Asynchronous SH7145F Manuel d'utilisateur Page 14