AMIS-30624 AMI Semiconductor, Inc., AMIS-30624 Datasheet - Page 27
![no-image](/images/no-image-200.jpg)
AMIS-30624
Manufacturer Part Number
AMIS-30624
Description
I2c Microstepping Motordriver
Manufacturer
AMI Semiconductor, Inc.
Datasheet
1.AMIS-30624.pdf
(56 pages)
- Current page: 27 of 56
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AMIS-30624 I
Irun[3:0]
Ihold[3:0]
StepMode
Shaft
SecPos[10:0] Secure position of the steppermotor. This is the position to which the motor is driven in case HW connection is lost. If
AMI Semiconductor – Apr. 2007, Rev 3.1, M-20664-003
www.amis.com
Current amplitude value to be fed to each coil of the steppermotor. The table below provides the 16 possible values
for IRUN.
Hold current for each coil of the steppermotor. The table below provides the 16 possible values for IHOLD.
Indicator of stepping mode to be used.
Indicator of reference position. If Shaft = ‘0’, the reference position is the maximum inner position, whereas if
Shaft = ‘1’, the reference position is the maximum outer position.
SecPos[10:0] = “100 0000 0000”, this means that secure position is disabled, e.g. the steppermotor will be kept in
the position occupied at the moment these events occur.
The secure position is coded on 11 bits only, providing actually the most significant bits of the position, the non coded
least significant bits being set to ‘0’. See also Table 10.
StepMode
0
0
1
1
Index
Index
C
D
C
D
0
1
2
3
4
5
6
7
8
9
A
B
E
F
0
1
2
3
4
5
6
7
8
9
A
B
E
F
2
C Microstepping Motordriver
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Ihold
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Irun
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1/16 stepping
1/2 stepping
1/4 stepping
1/8 stepping
Step Mode
Hold Current (mA)
Run Current (mA)
100
119
141
168
200
238
283
336
400
476
566
673
800
100
119
141
168
200
238
283
336
400
476
566
673
59
71
84
59
71
84
0
27
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