Input C Code #include <xc.h> #include <pic18f45k22.h> #pragma config FOSC = INTIO67, PLLCFG = OFF, PRICLKEN = ON,FCMEN = ON, PWRTEN = ON #pragma config BOREN = SBORDIS, BORV = 250, WDTEN = OFF, WDTPS = 4096, PBADEN = OFF #pragma config HFOFST = OFF, MCLRE = EXTMCLR, STVREN = ON, LVP = OFF, DEBUG = ON, CCP3MX = PORTE0 unsigned char i; void main( void ) { OSCCON = 0x62; OSCTUNEbits.PLLEN=1; TRISD = 0x02; SSP2STAT = 0xC0; SSP2CON1 = 0x21; TRISA = 0x00; while (1) { for (i = 0; i < 32; i++) { DAC_A(i); } for (i = 31; i > 0; i--) { DAC_A(i); } } }