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L6472 データシート(PDF) 21 Page - STMicroelectronics

部品番号 L6472
部品情報  dSPIN fully integrated microstepping motor driver
PDF  69 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6472 データシート(HTML) 21 Page - STMicroelectronics

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L6472
Functional description
Doc ID 022729 Rev 1
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Figure 5.
Charge pump circuitry
6.4
Microstepping
The driver is able to divide the single step into up to 16 microsteps. Step mode can be
programmed by the STEP_SEL parameter in the STEP_MODE register (see Table 19).
Step mode can only be changed when bridges are disabled. Every time step mode is
changed, the electrical position (i.e. the point of microstepping sinewave that is generated)
is reset to the first microstep, and the absolute position counter value (see Section 6.5)
becomes meaningless.
Figure 6.
Normal mode and microstepping (16 microsteps)



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