AMIS-30521 AMI Semiconductor, Inc., AMIS-30521 Datasheet - Page 20

• Manufacturer Part Number: AMIS-30521
• Description: Micro-stepping Motor Driver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30521 Micro-stepping Motor Driver
Table 17: SPI Control Parameter Overview SLAG
Table 18: SPI Control Parameter Overview PWMF
Table 19: SPI Control Parameter Overview PWMJ
Table 20: SPI Control Parameter Overview SLP
Table 21: SPI Control Parameter Overview MOTEN
Table 22: SPI Control Parameter Overview DIRCTRL
Table 23: SPI Control Parameter Overview NXTP
CUR[4:0]
Table 24: SPI Control Parameter Overview CUR[4:0]
Symbol
SLAG
Symbol
PWMF
Symbol
PWMJ
Symbol
SLP
Symbol
MOTEN
Symbol
DIRCTRL
Symbol
NXTP
AMI Semiconductor – June 2007, M-20683-001
www.amis.com
Index
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Description
Speed Load Angle Gain setting
Description
Enables doubling of the PWM frequency
Description
Enables jittery PWM
Description
Enables sleep mode
Description
Activates the motor driver outputs
Description
Controls the direction of rotation
(in combination with logic level on input DIR)
Description
Selects if NXT triggers on rising or falling edge
Selects IMCmax peak. This is the peak or amplitude of the regulated current waveform in the motor coils.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
CUR[4:0]
0
0
0
0
1
1
1
1
0
0
0
0
1
1
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
Current (mA)
100
110
120
135
150
160
180
200
220
240
270
300
325
30
60
90
20
Index
1A
1B
1C
1D
1E
10
11
12
13
14
15
16
17
18
19
1F
Status
<SLAG> = 0
<SLAG> = 1
Status
<PWMF> = 0
<PWMF> = 1
Status
<PWMJ> = 0
<PWMJ> = 1
Status
<SLP> = 0
<SLP> = 1
Status
<MOTEN> = 0
<MOTEN> = 1
Status
<DIR> = 0
<DIR> = 1
Status
<NXTP> = 0
<NXTP> = 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
CUR[4:0]
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
<DIRCTRL> = 0
<DIRCTRL> = 1
<DIRCTRL> = 0
<DIRCTRL> = 1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Value
Gain = 0.5
Gain = 0.25
Value
f
f
Behavior
Jitter disabled
Jitter enabled
Behavior
Active mode
Sleep mode
Value
Drivers disabled
Drivers enabled
Value
Trigger on rising edge
Trigger on falling edge
PWM
PWM
= 22.8kHz
= 45.6kHz
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Value
CW motion
CCW motion
CCW motion
CW motion
Current (mA)
1070
1190
1300
1450
1600
365
400
440
485
535
595
650
725
800
885
970
Data Sheet