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BU24032GW-E2 Datasheet(PDF) 4 Page - Rohm |
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BU24032GW-E2 Datasheet(HTML) 4 Page - Rohm |
4 / 23 page Datasheet Datasheet 4/19 TSZ02201-0M2M0BC12060-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 18.Apr.2013 Rev.002 www.rohm.com TSZ22111・15・001 BU24032GW ●Description of Blocks Stepping Motor Driver (1ch, 2ch Driver) Built-in stepping motor driver of PWM driving type. 1 stepping motor can be driven. Built-in voltage feedback circuit of D-class type. (1) Control It corresponds to both Clock IN and Autonomous control. (ⅰ)Clock IN Control Set the registers for the stepping motor control. The stepping motor is rotated and synchronized with the input clock in the STATE pin. It is possible to select the mode of stepping motor control from μ-step, 1-2 phase excitation, 2 phase excitation and the number of edge for electrical angle cycle from 4, 8, 32, 64, 128, 256, 512 or 1024. (ⅱ)Autonomous Control The stepping motor is rotated by setting the registers for the stepping motor control. The state of rotation command (executing:1, finished:0), Cache register and motor position are the output from the serial output (SOUT pin). Also, the signal (MO output) which is synchronized with the motor rotation is the output from STATE pin. It is possible to select the mode of stepping motor control from μ-step (1024 portion), 1-2 phase excitation and 2 phase excitation. Built-in Cache registers. Cache registers enable the setting of subsequent process while the motor is in operation. Through these registers, operations are done continuously. SIN wave Control Logic PWM Control Logic SIF STM Control Logic H.B. H.B. Host ON/OFF Direction Torque (Speed・Amount) STATE CSB SCLK SDATA 3 STM SIN wave Control Logic PWM Control Logic H.B. H.B. Host ON/OFF Direction Speed Torque Amount State STATE CSB SCLK SDATA 3 STM Position SOUT SIF STM Control Logic |
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