1. C Examples 4

2. Download Links MPLAB IDE dsPIC30F4011/4012 Data Sheet
dsPIC30F Family Reference Manual
MikroC
MikroC Manual
MikroC Quick Reference

4.
This is just an example, we prefer to use the TC4422 in the T0-220 package which has higher Current capability but is single channel. You can order free samples from microchip

5. Components: TC4421/TC4422 Features High Peak Output Current: 9A
Wide Input Supply Voltage Operating Range: 4.5V to 18V
High Continuous Output Current: 2A Max
Fast Rise and Fall Times:
30 ns with 4,700 pF Load
180 ns with 47,000 pF Load
Short Propagation Delays: 30 ns (typ)
Low Supply Current:
With Logic ‘1’ Input: 200 µA (typ)
With Logic ‘0’ Input: 55 µA (typ)
Low Output Impedance: 1.4 (typ)
Latch-Up Protected: Will Withstand 1.5A Output Reverse Current
Input Will Withstand Negative Inputs Up To 5V
Pin-Compatible with the TC4420/TC4429 6A MOSFET Driver
Space-saving 8-Pin 6x5 DFN Package

6. Components: TC4421/TC4422

7. Components: TC4421/TC4422

8. H Bridge ST L298

9. m=Pwm_Mc_Init(40000,1,0xFF,0x00);
m=Pwm_Mc_Init(5000,1, 0b ,0x00);

10. UART1
U1MODE = 0x8400;

11. PWM1 unsigned int i; unsigned int duty_50; void main(){
ADPCFG = 0xFFFF; // initialize AN pins as digital
PORTB = 0xAAAA;
TRISB = 0; // initialize portb as output
Delay_ms(1000);
duty_50 = Pwm_Mc_Init(5000, 0, 0x01, 0); // Pwm_Mc_Init returns 50% of the duty
Pwm_Mc_Set_Duty(i = duty_50, 1);
Pwm_Mc_Start(); do {
i--;
Pwm_Mc_Set_Duty(i, 1);
Delay_ms(10);
if (i == 0)
i = duty_50 * 2 - 1; // Let us not allow the overflow
PORTB = i; }
while(1);
}//~

12. PWM2-1
// Pressing RE5 will change directions but speed will be different
unsigned int i, start;
char dir = 1;
unsigned int duty_50;
void main(){
ADPCFG = 0xFFFF; // initialize AN pins as digital
PORTB = 0xAAAA;
TRISB = 0;
TRISE = 0b100000;
PORTE = 0X00; // initialize port B as output
Delay_ms(1000);
duty_50 = Pwm_Mc_Init(5000, 0, 0x01, 0); // Pwm_Mc_Init returns 50% of the duty // Pwm_Mc_Init returns 50% of the duty
Pwm_Mc_Set_Duty(i = duty_50, 1);
Pwm_Mc_Start(); do {
i--;
Pwm_Mc_Set_Duty(i, dir);
Delay_ms(10);
if (i == 0)
i = duty_50 * 2 - 1; // Let us not allow the overflow
PORTB = i;
if (Button(&PORTE, 5, 1, 1)) // Switch at PORTE Bit 5
start = 1;
if (start&&Button(&PORTE, 5, 1, 0)) // Switch at PORTE Bit 5
start=0;
PORTE.F1 = PORTE.F1^1; }
while(1);

13. PWM-2
OVDCON = 0b ;
PWM1L is PWM signal PWM1H is set to 0
OVDCON = OVDCON^0b ;
PWM1L is set to 0 PWM1H is PWM signal

14. PWM2-2 // Pressing RE5 will change direction at same speed
unsigned int i, start;
char dir = 1;
unsigned int duty_50;
void main(){
ADPCFG = 0xFFFF; // initialize AN pins as digital
PORTB = 0xAAAA;
TRISB = 0;
TRISE = 0b100000;
PORTE = 0X00; // initialize portb as output
Delay_ms(1000);
OVDCON = 0b ;
duty_50 = Pwm_Mc_Init(5000, 1, 0b , 0); // Pwm_Mc_Init returns 50% of the duty
Pwm_Mc_Set_Duty(i = duty_50, 1);
Pwm_Mc_Start(); do {
i--;
Pwm_Mc_Set_Duty(i, dir);
Delay_ms(10);
if (i == 0)
i = duty_50 * 2 - 1; // Let us not allow the overflow
PORTB = i;
if (Button(&PORTE, 5, 1, 1)) // Switch at PORTE Bit 5
start = 1;
if (start&&Button(&PORTE, 5, 1, 0)) // Switch at PORTE Bit 5
start=0;
OVDCON = OVDCON^0b ;
PORTE.F4 = PORTE.F4^1;
} // Toggles PORTE Bit 1 }
while(1);

19. PWM-3
// Computer keyboard 1, 2, 2, 4 sets speed. 7, 8, 9 sets direction
int m;
int p;
signed char n;
void main () {
IEC0=0x0200; // Enable Interrupt for UART 1 Rx
Uart1_Init(19200);
Delay_ms(100);
TRISE=0;
PORTE=0;
TRISB=0b ;
PORTB.F1=0;
m=Pwm_Mc_Init(40000,1,0x01,0x00);
Pwm_MC_Set_Duty(m,1);
Pwm_Mc_Start();
while(1)
Delay_ms(1000); }
void interrupt_UART1() org 0x000026
PORTB.F1=1;
n = Uart1_Read_Char()&0x0F;
Uart1_Write_Char(n);
switch (n) {
case 1: p=-2;
goto FLAG;
case 2: p=-1;
case 3: p=1;
case 4: p=2;
case 7: PORTE.F2=1; PORTE.F3=0;
goto END;
case 8: PORTE.F2=0; PORTE.F3=0;
case 9: PORTE.F2=0; PORTE.F3=1;
default : goto END;
FLAG: p= m + ((m-1)*p)/2;
Pwm_MC_Set_Duty(p,1);
END: IFS0=0x0000;