參數(shù)資料
型號: TMC428
廠商: Electronic Theatre Controls, Inc.
英文描述: Intelligent Triple Stepper Motor Controller with Serial Peripheral Interfaces
中文描述: 三步進(jìn)電機(jī)智能控制器的串行外圍接口
文件頁數(shù): 29/50頁
文件大?。?/td> 378K
代理商: TMC428
TMC428 DATA SHEET (V. 1.00 / February 12, 2001)
29
Copyright 2000, TRINAMIC Microchips GmbH
M I C R O C H I P S
29
Simultanous Start of up to Three Stepper Motors
Starting stepper motors simultanously can be achifed by sending successive datagrams starting the stepper
motors. If the delay between those datagrams is of the magnitude of some micro seconds, the stepper
motors can be considered as started simultanously. Feedding the reference switch signals through the
microcontoller (Figure 14) allows exact simultanous start of the stepper motors under software control.
μC
SCK
MOSI
MISO
SS
input port
output port
CLK
SCK_S
SDO_S
SDI_S
nSCS_S
TEST
GND
SDI_C
nSCS_C
SCK_C
SDO_C
CLK
V5
V33
TMC428
REF2
REF3
REF1
Reference Switches
(active high)
1K
1K
1K
Figure 14 - Reference Switch Soft Control for Exact Simultanous Stepper Motor Start
μC
SCK
MOSI
MISO
SS
input port
output port
CLK
SCK_S
SDO_S
SDI_S
nSCS_S
TEST
GND
SDI_C
nSCS_C
SCK_C
SDO_C
CLK
V5
V33
TMC428
REF2
REF3
REF1
R
(
1K
1K
1K
1K
1K
1K
Figure 15 - Reference Switch Soft De-Multiplexing and Soft Control for six Reference Switches
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