AMIS-30522 Datasheet, PDF (23/29 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30522
Table 18: SPI Control Parameter Overview SLAT
Symbol
Description
SLAT
Speed load angle transparency bit
Status
<SLAT> = 0
<SLAT> = 1
Behavior
SLA is transparent
SLA is NOT transparent
Table 19: SPI Control Parameter Overview SLAG
Symbol
Description
SLAG
Speed load angle gain setting
Status
<SLAG> = 0
<SLAG> = 1
Value
Gain = 0.5
Gain = 0.25
Table 20: SPI Parameter Overview PWMF
Symbol
Description
PWMF
Enables doubling of the PWM frequency
Status
<PWMF> = 0
<PWMF> = 1
Value
f_PWM = 22.8kHz
f_PWM = 45.6kHz
Table 21: SPI Control Parameter Overview PWMJ
Symbol
Description
PWMJ
Enables jittery PWM
Status
<PWMJ> = 0
<PWMJ> = 1
Behavior
Jitter disabled
Jitter enabled
Table 22: SPI Control Overview SLP
Symbol
Description
SLP
Enables sleep mode
Status
<SLP> = 0
<SLP> = 1
Behavior
Active mode
Sleep mode
Table 23: SPI Control Parameter Overview MOTEN
Symbol
Description
MOTEN
Activates the motor driver outputs
Status
<MOTEN> = 0
<MOTEN> = 1
Value
Drivers disabled
Drivers enabled
Table 24: SPI Control Parameter Overview DIRCTRL
Symbol
Description
DIRCTRL
Controls the direction of rotation
(in combination with logic level on input DIR)
Status
<DIR> = 0
<DIR> = 1
<DIRCTRL> = 0
<DIRCTRL> = 1
<DIRCTRL> = 0
<DIRCTRL> = 1
Value
CW motion
CCW motion
CCW motion
CW motion
Table 25: SPI Control Parameter Overview NXTP
Symbol
Description
Status
Value
NXTP
Selects if NXT triggers on rising or falling edge
<NXTP> = 0
<NXTP> = 1
Trigger on rising edge
Trigger on falling edge
CUR[4:0]
Selects IMCmax peak. This is the peak or amplitude of the regulated current waveform in the motor coils.
Table 26: SPI Control Parameter Overview CUR[4:0]
Index
CUR[4:0]
Current (mA)
Index
CUR[4:0]
0
00000
30
10
10000
1
00001
60
11
10001
2
00010
90
12
10010
3
00011
100
13
10011
4
00100
110
14
10100
5
00101
120
15
10101
6
00110
135
16
10110
7
00111
150
17
10111
8
01000
160
18
11000
9
01001
180
19
11001
A
01010
200
1A
11010
B
01011
220
1B
11011
C
01100
240
1C
11100
D
01101
270
1D
11101
E
01110
300
1E
11110
F
01111
325
1F
11111
EMC[1:0]
Adjusts the dV/dt of the PWM voltage slopes on the motor pins.
Current (mA)
365
400
440
485
535
595
650
725
800
885
970
1070
1190
1300
1450
1600
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