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參數(shù)資料
| 型號(hào)： | GS-D200S |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 2/2.5A Bipolar Stepper Motor Driver Modules(2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動(dòng)器模塊) |
| 中文描述： | 2/2.5A雙極步進(jìn)電機(jī)驅(qū)動(dòng)器模塊（2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動(dòng)器模塊） |
| 文件頁(yè)數(shù)： | 8/17頁(yè) |
| 文件大?。?/td> | 183K |
| 代理商： | GS-D200S |
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PHASE SEQUENCE GENERATION INSIDE THE
GS-D200/GS-D200S
The modules contains a three bit counter plus
some combinational logic which generate suitable
phase sequences for half step, wave and normal
full step drive. This3 bit countergenerates a basic
eight-step Gray code master sequence as shown
in fig. 9. To select this sequence, that corresponds
to half step mode, the HALF/FULL input (pin 4)
must be kept high or unconnected.
The full step mode (normal and wave drive) are
both obtained fromtheeight stepmaster sequence
by skipping alternate states. This is achieved by
forcing the step clock to bypass the first stage of
the 3 bit counter. The least significant bit of this
counteris notaffected andtherefore the generated
sequence depends on the state of the counter
when full step mode is selected by forcing pin 4
(HALF/FULL) low. If full step is selected when the
counter is at any odd-numbered state, the two-
phase-on (normal mode) is implemented (see fig.
10).
On the contrary, if the full mode is selected when
the counter is at an even-numbered state, the
one-phase-on (wave drive) is implemented (see
fig. 11).
Figure 9: The Eight Step Master Sequence corresponding to Half Step Mode.
GS-D200/GS-D200S
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