AMIS-30624 AMI Semiconductor, Inc., AMIS-30624 Datasheet - Page 29

• Manufacturer Part Number: AMIS-30624
• Description: I2c Microstepping Motordriver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30624 I
15.2.8. RAM Registers
Table 18: RAM Registers
Note:
A ResetToDefault command will act as a reset of the RAM content, except for ActPos and TagPos, which are registers that are not modified.
Therefore, the application should not send a
Actual position
Last programmed
position
Acceleration shape
Coil peak current
Coil hold current
Minimum velocity
Maximum velocity
Shaft
Acceleration/
deceleration
Secure position
Stepping mode
Stall detection absolute
threshold
Stall detection delta
threshold
Stall detection delay
Stall detection sampling
PWM jitter
100% duty cycle stall
disable
PWM frequency
AMI Semiconductor – Apr. 2007, Rev 3.1, M-20664-003
www.amis.com
Register
FS2StallEn
MinSamples
DC100SDis
Mnemonic
AccShape
StepMode
2
PWMFreq
ActPos
TagPos
SecPos
AbsThr
DelThr
PWMJEn
C Microstepping Motordriver
Ihold
Shaft
Pos/
Irun
Vmin
Vmax
Acc
ResetToDefault
Length
(Bit)
16
16
11
1
4
4
4
4
1
4
2
4
4
3
3
1
1
1
during a motion, to avoid any unwanted change of parameter.
Related Commands
ResetToDefault
ResetToDefault
ResetToDefault
ResetToDefault
ResetToDefault
ResetToDefault
ResetToDefault
ResetToDefault
GetFullStatus2
GetFullStatus2
GetFullStatus1
GetFullStatus1
GetFullStatus1
GetFullStatus1
GetFullStatus1
GetFullStatus1
GetFullStatus1
GetFullStatus2
GetFullStatus1
GetFullStatus1
GetFullStatus1
GetFullStatus2
GetFullStatus2
GetFullStatus2
GetFullStatus2
GotoSecurePos
ResetPosition
GotoSecurePos
ResetPosition
SetMotorParam
SetMotorParam
SetMotorParam
SetMotorParam
SetMotorParam
SetMotorParam
SetMotorParam
SetMotorParam
SetStallParam
SetStallParam
SetStallParam
SetStallParam
SetStallParam
SetStallParam
SetStallParam
SetMotorParam
SetPosition
29
1
1
1
1
1
1
1
1
‘0’ ⇒ normal acceleration from Vmin to Vmax
Target position when LIN connection fails; 11
‘1’ means stall detection is disabled in case
MSBs of 16-bit position (LSBs fixed to ‘0’)
‘1’ ⇒ motion at Vmin without acceleration
See Section
See Section
See Section
See Section 15.4
See Section 15.4
See Section 15.4
See Section 15.4
PWM regulator runs at δ = 100%
See Section
See look-up table
‘1’ means 44 kHz is selected
See look-up table
‘1’ means jitter is added
See look-up table
See look-up table
Direction of movement
See look-up table
See look-up table
for positive velocity
Operating current
(see Positioning)
Standstill current
16-bit signed
16-bit signed
13.2 Maximum Velocity
Comment
13.3 Minimum Velocity
13.1 Stepping Modes
13.4 Acceleration
Motion detection
Motion detection
Motion detection
Motion detection
StepMode
Vmax
Vmin
Ihold
Irun
Acc
Data Sheet
Reset State
From OTP
memory
Note 1
‘000’
‘000’
‘0’
‘0’
‘0’
‘0’