AMIS-30621 LIN Micro-stepping Motor Driver
Data Sheet
Reading Frame
Byte
Content
Structure
Bit 7
*
ESW
Bit 6
*
Bit 5
1
Bit 4 Bit 3 Bit 2
Bit 1
ID1
Bit 0
ID0
0
ID3
ID2
0
1
2
3
4
Identifier
Data 1
Data 2
Data 3
Data 4
AD[6:0]
ActPos[15:8]
ActPos[7:0]
ElDef
VddReset
StepLoss
UV2
TSD
TW
Tinfo[1:0]
Figure 14: GetActualPos LIN Commando
Important remark. Every 512μs this information is refreshed.
Tsw =1024 μs
512 μs
DriveHS
t
t
Tsw_on = 64 μs
DriveLS
"R"-Comp
Rth
t
t
60 μs
SWI_Cmp
ESW
0
1
1
1
t
t
ActPos
Figure 15: Timing Diagram Showing the Change in States for SWI Comparator
AMI Semiconductor – Sept. 2007, Rev 1.5
www.amis.com
21
AMI [ AMI SEMICONDUCTOR ]
