UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 210

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

9.5.3 Interval timer (16-bit)
208
/***************************************************************/
/*
/*
/*
/*
/***************************************************************/
#pragma sfr
#pragma EI
#pragma DI
#define intervalTM5 130
#pragma interrupt INTTM50 ppgint rb2
void main(void)
{
}
/* Timer 5 interrupt function */
void ppgint()
{
}
unsigned char ppgdata[2];
int interval;
interval = intervalTM5;
PCC = 0x0;
ppgdata[0] = 0;
ppgdata[1] = 0;
P7 = 0b11111011;
PM7.2 = 0;
TMMK50 = 0;
TMMK51 = 1;
TCL50 = 0b00000101;
CR50 = interval & 0xff;
CR51 = interval >> 8;
TMC50 = 0b00000111;
TMC51 = 0b00010000;
TCE51 = 1;
TCE50 = 1;
EI();
while(1);
unsigned int work;
work = ppgdata[0]+ppgdata[1]*0x100;
if (work != 0)
{
}
TCE50 =0;
CR51 = work >> 8;
CR50 = work & 0xff;
ppgdata[0] = 0;
ppgdata[1] = 0;
if (work != 0xffff)
{
}
Timer 5 operation sample
Cascade connection setting example
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 50, 51
TCE50 = 1;
User’s Manual U14260EJ4V0UD
/* Cycle data to be set to CR */
/* Data area to be set to timer 5 */
/* Select high-speed operation mode */
/* Clear CR50 data */
/* Clear CR51 data */
/* Set port */
/* Clear P72 */
/* Set P72 to output */
/* Set interrupt */
/* Clear INTTM50 interrupt mask */
/* Set INTTM51 interrupt mask */
/* Set timer 5 */
/* Count clock is fx/2^6 */
/* Set lower compare register to CR50 */
/* Set higher compare register to CR51 */
/* Inverted on match, initial value L */
/* Cascade mode */
/* Timer starts */
/* Timer resumes */
*/
*/
*/
*/