東芝LB1847引腳圖與電路圖-步進(jìn)電機(jī)驅(qū)動芯片pdf資料與AVR單片機(jī)源程序

ID:283698 · 發(fā)表于 2018-2-11 16:52

ATMEGA16A使用東芝LB1847芯片驅(qū)動步進(jìn)電機(jī)

東芝LB1847引腳圖：

LB1847典型應(yīng)用電路圖

ton  : Output ON time
toff  : Output OFF time
tm  : FAST DECAY time in MIX DECAY mode
tn : Noise cancelling time
MIX DECAY logic setting
DECAY pin : L
MD pin  :  1.5V to 4.0V voltage setting
   CR voltage and MD pin voltage are compared to select dual-side chopping
   or top-side chopping.
CR voltage > MD pin voltage: dual-side chopping
CR voltage < MD pin voltage: top-side choppi

avr單片機(jī)源程序如下:

char flagCNC1;
#define CNC1steps 32
unsigned long int CNC1point=25000;
unsigned char CNC1counter=0;
unsigned char step[CNC1steps] =
{
0b01110000,
0b01110010,
0b00110100,
0b01010110,
0b00011000,
0b01101010,
0b00101100,
0b01001110,
0b00001110,
0b11001110,
0b10101100,
0b11101010,
0b10011000,
0b11010110,
0b10110100,
0b11110010,
0b11110000,
0b11110011,
0b10110101,
0b11010111,
0b10011001,
0b11101011,
0b10101101,
0b11001111,
0b00001111,
0b01001111,
0b00101101,
0b01101011,
0b00011001,
0b01010111,
0b00110101,
0b01110011};
void STEP_UP (unsigned char s)
{
if (flagCNC1){
unsigned char q;
CNC1counter +=s;
q = CNC1counter & 0b00011111;
PORTB = step[q];
CNC1point+=s;
flagCNC1=0;
}
}
void STEP_DOWN (unsigned char s)
{
if (flagCNC1){
unsigned char q;
CNC1counter -=s;
q = CNC1counter & 0b00011111;
PORTB = step[q];
CNC1point-=s;
flagCNC1 = 0;
}
}

復(fù)制代碼

所有資料51hei提供下載（含芯片資料手冊與單片機(jī)源碼等）:

Steper.zip (174.21 KB, 下載次數(shù): 14)

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東芝LB1847引腳圖與電路圖-步進(jìn)電機(jī)驅(qū)動芯片pdf資料與AVR單片機(jī)源程序

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