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| AMIS-30622 Datasheet, PDF (18/35 Pages) AMI SEMICONDUCTOR – I2C Microstepping Motordriver | |||
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AMIS-30622 I2C Microstepping Motordriver
Data Sheet
9.2.2.8 RAM Registers
Register
Actual Position
Mnemonic
ActPos
Length (bit)
16
Last Programmed
Position
Pos/
TagPos
16/11
Acceleration Shape AccShape
1
Coil peak Current
Irun
4
Coil Hold Current
Ihold
4
Minimum Velocity
Vmin
4
Maximum Velocity Vmax
4
Shaft
Shaft
1
Acceleration/
Deceleration
Acc
4
Secure Position
SecPos
11
Stepping Mode
StepMode
2
Related Commands
GetActualPos
GetFullStatus2
GotoSecurePos
ResetPosition
GetFullStatus2
GotoSecurePos
ResetPosition
SetPosition
GetFullStatus1
ResetToDefault1
SetMotorParam
GetFullStatus1
ResetToDefault1
SetMotorParam
GetFullStatus
ResetToDefault1
SetMotorParam
GetFullStatus1
ResetToDefault1
SetMotorParam
GetFullStatus1
ResetToDefault1
SetMotorParam
GetFullStatus1
ResetToDefault1
SetMotorParam
GetFullStatus1
ResetToDefault1
SetMotorParam
GetFullStatus2
ResetToDefault1
SetMotorParam
GetFullStatus1
ResetToDefault1
SetMotorParam
Comment
- 16-bit signed
- 16-bit signed or
- 11-bit signed for half stepping
(see § 8.5)
â0â â normal acceleration from Vmin to Vmax
â1â â motion at Vmin without
acceleration
Operating current (see § 9.2.2.12)
Standstill current (see § 9.2.2.12)
See § 8.3 and § 9.2.2.12
(look-up table)
See § 8.2 and § 9.2.2.12
(look-up table)
Direction of movement for
positive velocity
See § 8.4 and § 9.2.2.12
(look-up table)
Target position when I2C
connection fails; 11 MSBs
of 16-bit position (LSBs fixed to â0â)
See § 8.1 and § 9.2.2.12
Note
(1) A ResetToDefault command will act as a reset of the
RAM content, except for ActPos and TagPos registers
that are not modified. Therefore, the application should
not send a ResetToDefault during a motion, to avoid
any unwanted change of parameter.
Reset State
(1)
'0'
From OTP
memory
AMI Semiconductor - Rev. 2.3
www.amis.com
18
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