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Patent Searching and Data


Title:
STEPPING MOTOR DRIVE DEVICE AND STEPPING MOTOR DRIVE PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/198218
Kind Code:
A1
Abstract:
Provided is a stepping motor drive device in which a write data calculation unit (131) obtains, from a ROM (30) in which register update patterns are stored, a first register 1 update pattern to be set in a first output data register and a second register 1 update pattern to be set in the first output data register. The write data calculation unit (131) calculates a first logical sum of one of the obtained patterns and a first zero bit string in which all bits are zero, calculates a second logical sum of the other of the obtained patterns and the first logical sum, and stores the second logical sum into a RAM (20) as write data (25). A write unit (132) writes the write data (25), that is, the second logical sum to the first output data register.

Inventors:
SHIMAI YUSUKE (JP)
Application Number:
PCT/JP2017/016489
Publication Date:
November 01, 2018
Filing Date:
April 26, 2017
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P8/40
Foreign References:
JPS5863098A1983-04-14
JP2003274695A2003-09-26
JPS63174594A1988-07-19
JPH07322696A1995-12-08
Attorney, Agent or Firm:
MIZOI INTERNATIONAL PATENT FIRM (JP)
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