User manual

151 C-Control Pro Mega Series
© 2008 Conrad Electronic
main(void)
{
word address;
byte data,EEPROM_data;
address=0x20;
data=0x42;
I2C_Init(I2C_100kHz );
// write data to 24C64 (8k x 8) EEPROM
I2C_Start();
I2C_Write(0xA0); // DEVICE ADDRESS : A0
I2C_Write(address>>8); // HIGH WORD ADDRESS
I2C_Write(address); // LOW WORD ADDRESS
I2C_Write(data); // write Data
I2C_Stop();
AbsDelay(5); // delay for EEPROM Write Cycle
// read data from 24C64 (8k x 8) EEPROM
I2C_Start();
I2C_Write(0xA0); // DEVICE ADDRESS : A0
I2C_Write(address>>8); // HIGH WORD ADDRESS
I2C_Write(address); // LOW WORD ADDRESS
I2C_Start(); // RESTART
I2C_Write(0xA1); // DEVICE ADDRESS : A1
EEPROM_data=I2C_Read_NACK();
I2C_Stop();
Msg_WriteHex(EEPROM_data);
}
6.9 Interrupt
Der Controller stellt eine Vielzahl an Interrupts zur Verfügung. Einige davon werden für
Systemfunktionen verwendet und stehen dem Anwender nicht zur Verfügung. Folgende Interrupts
können vom Anwender genutzt werden:
Tabelle Interrupts
Interrupt Name
Beschreibung
INT_0
externer Interrupt0
INT_1
externer Interrupt1
INT_2
externer Interrupt2
INT_3
externer Interrupt3 (nur Mega128)
INT_4
externer Interrupt4 (nur Mega128)
INT_5
externer Interrupt5 (nur Mega128)
INT_6
externer Interrupt6 (nur Mega128)
INT_7
externer Interrupt7 (nur Mega128)
INT_TIM1CAPT
Timer1 Capture
INT_TIM1CMPA
Timer1 CompareA