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參數(shù)資料
| 型號： | UPD168113K9-9B4-A |
| 廠商： | NEC Corp. |
| 英文描述： | MOS INTEGRATED CIRCUIT |
| 中文描述： | 馬鞍山集成電路 |
| 文件頁數(shù)： | 31/50頁 |
| 文件大?。?/td> | 771K |
| 代理商： | UPD168113K9-9B4-A |
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Data Sheet S16423EJ2V0DS
31
μ
PD168113
11.6.5 Driving mode selection 0 and driving mode selection 1
D8 and D9 can be used to select driving mode of two-phase excitation, 1-2 phase excitation and micro step.
D8 = 0: The micro step driving mode is selected.
D8 = 1, D9 = 0: The two-phase excitation driving mode is selected.
D8 = 1, D9 = 1: The 1-2 phase excitation driving mode is selected.
Immediately after rest, The micro step driving mode is selected.
When changing the driving mode from micro step to two-phase excitation or 1-2 phase excitation, note the following
points.
<If the number of pulses is set to 0>
The stop position when the constant current is changed may differ depending on Da, which selects a constant
current in the two-phase or 1-2 phase excitation mode.
When Da = 0, the execution jumps to the two-phase or 1-2 phase position on the quadrant at the excitation position
after completion of wait, and the motor is excited at a duty factor of 100%. When Da = 1, the stop position is excited
and held.
<If pulse output is started by command setting to set a number of pulses of 1 or more>
At the first pulse, the operation skips to the two-phase excitation position or the1-2 phase excitation position of the
next quadrant and driving is started.
If the two-phase excitation driving mode is changed while the motor is stopped at the one-phase excitation position, it
is judged that the position is included in the quadrant in the CW direction, and motor operates.
Refer to
Figure11
3.
Transition of Switching of Micro Step Driving
1-2 Phase Excitation
2-phase
Excitation (If Number of Pulses Is Set to 1 for Switching
)
for details.
D8
D9
Operation Mode
Figure 11
2. Concept of Changing Driving Mode
0
0
Micro step driving
from Micro Step to Two-phase Excitation
0
1
1
0
Two-phase excitation driving
1
1
1-2 phase excitation driving
Microstep stop
position (example 1)
Microstep stop
position (example 2)
2-phase excitation
stop position
(1)
Skipes to the next
quadrant
(4)
(3)
(2)
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