AMIS30532C5321G Datasheet, PDF (25/29 Pages) ON Semiconductor – Micro-Stepping Motor Driver

AMIS−30532
Table 14. SPI CONTROL PARAMETER OVERVIEW
Symbol
Description
Status
Value
DIRCTRL
NXTP
EMC[1:0]
SLAT
SLAG
PWMF
PWMJ
SM[2:0]
SLP
MOTEN
M[1:0]
StrB[1:0]
StrC
Controls the direction of rotation (in combination
with logic level on input DIR)
Selects if NXT triggers on rising or falling edge
Turn On – Turn−off Slopes of motor driver
(Note 14)
Speed load angle transparency bit
Speed load angle gain setting
Enables doubling of the PWM frequency (Note 14)
Enables jittery PWM
Stepmode
Enables sleep mode
Activates the motor driver outputs
PWM Mode Control
PWM Strobe B Control: DON mask comparator
time (Note 16)
PWM Strobe C Control: Switch time top/bottom
regulation
<DIR> = 0
<DIR> = 1
<NXTP> = 0
<NXTP> = 1
00
01
10
11
<SLAT> = 0
<SLAT> = 1
<SLAG> = 0
<SLAG> = 1
<PWMF> = 0
<PWMF> = 1
<PWMJ> = 0
<PWMJ> = 1
000
001
010
011
100
101
110
111
<SLP> = 0
<SLP> = 1
<MOTEN> = 0
<MOTEN> = 1
00
01
10
11
00
01
10
11
<StrC> = 0
<StrC> = 1
<DIRCTRL> = 0 CW motion (Note 15)
<DIRCTRL> = 1 CCW motion (Note 15)
<DIRCTRL> = 0 CCW motion (Note 15)
<DIRCTRL> = 1 CW motion (Note 15)
Trigger on rising edge
Trigger on falling edge
Very Fast
Fast
Slow
Very Slow
SLA is transparent
SLA is NOT transparent
Gain = 0.5
Gain = 0.25
Default Frequency
Double Frequency
Jitter disabled
Jitter enabled
1/32 Micro − Step
1/16 Micro − Step
1/8 Micro − Step
1/4 Micro − Step
Compensated Half Step
Uncompensated Half Step
Full Step
n.a.
Active mode
Sleep mode
Drivers disabled
Drivers enabled
Default PWM control
DCMin Mode 1
DCMin Mode 2
DCMin Mode 3
4 PWM clock cycles
8 PWM clock cycles
12 PWM clock cycles
19 PWM clock cycles
86% duty cycle PWM regulator
75% duty cycle PWM regulator
00
StrE[1:0]
PWM Strobe E Control: Compensation bridge
active time (Note 16)
01
10
11
14. The typical values can be found in Table 5: DC Parameters and in Table 6: AC parameters
15. Depending on the wiring of the motor connections
16. The duration is depending on the selected PWM frequency
4 PWM clock cycles
8 PWM clock cycles
12 PWM clock cycles
19 PWM clock cycles
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