參數(shù)資料
型號: AMIS-30621-AGA
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, 0.8 A, PDSO20
封裝: 300 INCH, PLASTIC, SOIC-20
文件頁數(shù): 21/57頁
文件大?。?/td> 1017K
代理商: AMIS-30621-AGA
AMIS-30621 LIN Micro-stepping Motor Driver
Data Sheet
28
AMI Semiconductor
– Sept. 2007, Rev 1.5
www.amis.com
14.2.9.
RAM Registers
Table 18: RAM Registers
Register
Mnemonic
Length (bit) Related Commands
Comment
Reset State
Actual position
ActPos
16
16-bit signed
Last programmed
position
Pos/
TagPos
16/11
16-bit signed or
11-bit signed for half stepping
(see
Note 1
Acceleration shape
AccShape
1
‘0’
normal acceleration from Vmin to Vmax
‘1’
motion at Vmin without acceleration
‘0’
Coil peak current
Irun
4
Operating current
See look-up table
Coil hold current
Ihold
4
Standstill current
See look-up table
Minimum velocity
Vmin
4
See Section
See look-up table
Maximum velocity
Vmax
4
See Section
See look-up table
Shaft
1
Direction of movement for positive velocity
Acceleration/
deceleration
Acc
4
See Section
See look-up table
Secure position
SecPos
11
Target position when LIN connection fails; 11
MSBs of 16-bit position (LSBs fixed to ‘0’)
Stepping mode
StepMode
2
See Section
See look-up table
From OTP
memory
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.
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