参数资料
型号: L6470PD
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 7 A, PDSO36
封装: ROHS COMPLIANT, SSOP-36
文件页数: 13/61页
文件大小: 703K
代理商: L6470PD
Functional description
L6470
20/61
Doc ID 16737 Rev 1
Figure 4.
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 STEP_SEL parameter in STEP_MODE register (see Table 12,
Step mode can be only changed when motor is stopped. Every time the step mode is
changed the electrical position (i.e. the point of microstepping sinewave that is generated) is
reset to first microstep and the absolute position counter value (see Section 6.5 on page 21)
becomes meaningless.
Figure 5.
Normal mode and microstepping (128 microsteps)
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