SKT672-070-E Datasheet, PDF (12/18 Pages) ON Semiconductor – Stepping Motor Driver

Excitation Time and Timing Charts
• CLK rising edge operation
STK672-070-E
2 Phase Excitation Timing Chart (M3 = 1)
M1 ₀
M2 ₀
M3
1
0
RESET
CWB
CLK
A
A
B
B
MOI
100%
71%
1-2 Phase Excitation Timing Chart (M3 = 1)
M1
1
0
M2 ₀
M3
1
0
RESET
CWB
CLK
A
A
B
B
MOI
100%
71%
Vref A
100%
71%
Vref A
100%
71%
Vref B
Vref B
W1-2 Phase Excitation Timing Chart (M3 = 1)
M1 ₀
M2
1
0
M3
1
0
RESET
CWB
CLK
A
A
B
B
MOI
100%
92%
71%
40%
Vref A
100%
92%
71%
40%
Vref B
2W1-2 Phase Excitation Timing Chart (M3 = 1)
M1
1
0
M2
1
0
M3
1
0
RESET
CWB
CLK
A
A
B
B
MOI
100%
92%
83%
71%
55%
40%
20%
Vref A
100%
92%
83%
71%
55%
40%
20%
Vref B
A13268
No.7307-12/18