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L6470PD 데이터시트(PDF) 22 Page - STMicroelectronics

부품명 L6470PD
상세설명  dSPIN fully integrated microstepping motor driver with motion engine and SPI
PDF  70 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L6470PD 데이터시트(HTML) 22 Page - STMicroelectronics

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Functional description
L6470
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Doc ID16737 Rev 5
Figure 5.
Charge pump circuitry
6.4
Microstepping
The driver is able to divide the single step into up to 128 microsteps. Stepping mode can be
programmed by the STEP_SEL parameter in the STEP_MODE register (see Table 18).
Step mode can only be changed when bridges are disabled. Every time the 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 (128 microsteps)



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