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SI-7321M 数据表(PDF) 5 Page - Sanken electric

部件名 SI-7321M
功能描述  Unipolar 2-Phase Microstepping Motor Driver IC
Download  19 Pages
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制造商  SANKEN [Sanken electric]
网页  http://www.sanken-ele.co.jp/en
标志 SANKEN - Sanken electric

SI-7321M 数据表(HTML) 5 Page - Sanken electric

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SANKEN ELECTRIC CO., LTD.
Unipolar 2-Phase Microstepping Motor Driver IC
SI-7321M
28210.05
Table 1. Truth Table for Common Input Pins
Pin Name
Logic Level
Low
High
Reset
Normal operation
Logic reset
CW/ CCW
Forward
Reverse
M1
Commutation / Sleep2 function
(see table 2)
M2
M3
Ref / Sleep1
Normal operation / Sleep1 function
(see Reference Voltage Ranges section)
Sync
Asynchronous
PWM control
Synchronous
PWM control
B_SEL
Short Blanking Time (1.8 μs)
Long Blanking Time (3.6 μs)
E_SEL
Clock input: POS/NEG edge
Clock input: POS edge
P_SEL
Protection circuits enabled
Protection circuits disabled
Table 2. Truth Table for Commutation / Sleep2 Function
Input Pins
Operation Mode
Current Ratio
Mode
M1
M2
M3
Phases*
Stepping
L
L
L
2
Full
8 only
H
L
L
2
Full
F only
L
H
L
1-2
Half
8, F
H
H
L
1-2
Half
F
L
L
H
W1-2
Quarter
4, 8, C, F
H
L
H
2W1-2
Eighth
2, 4, 6, 8, A, C, E, F
L
H
H
4W1-2
Sixteenth
1 through F
H
H
H
Sleep2 Mode Enable
*W means "double"
Table 3. Truth Table for Monitor Outputs
Pin Name
Low Level
High Level
Mo
Not operating in
2-Phase Excitation
Operating in
2-Phase Excitation
Flag
Normal operation
Protection circuit operating


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