UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 239

• Manufacturer Part Number: UPD78F0034BGC-8BS-A
• Description: MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0034BGC-8BS-A

• Package: 64LQFP
• Family Name: 78K0
• Maximum Speed: 12 MHz
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 51
• Interface Type: 3-Wire/UART
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

9.5.2 External event counter
/***************************************************************/
/*
/*
/*
/*
/*
/***************************************************************/
#pragma sfr
#pragma EI
#pragma DI
#pragma interrupt INTTM50 intervalint rb2
void main(void)
{
/*************************************************************/
/*
/*
/*
/*************************************************************/
/*************************************************************/
/*
/*
/*
/*************************************************************/
}
/* INTTM50 interrupt function */
void intervalint()
{
}
Describe the processing to be executed
Describe the processing after count up below
unsigned char data;
PCC = 0x0;
data = 0;
PM7.2 = 1;
TMMK50 = 0;
TMC50 = 0b00000000;
TCL50 = 0b00000001;
CR50 = 0x10;
TCE50 = 1;
EI();
while(data == 0);
data = 0xff;
TCE50 = 0;
Event counter setting example
data: Count up flag
Timer 50 operation sample
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 50, 51
User’s Manual U14046EJ5V0UD
/* Data area */
/* Set high-speed operation mode */
/* Clear data area */
/* Set port
/* Set P72 to input */
/* Set interrupt
/* Clear INTTM50 interrupt mask
/* Set timer 50
/* Clear & start mode
/* Specify rising edge of TI50
/* Set N = 16 as initial value
/* Timer start
/* Wait for count up */
/* Set count up flag
/* Timer stop
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
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