AMIS-30624 Datasheet, PDF (21/56 Pages) AMI SEMICONDUCTOR – I2C Microstepping Motordriver

AMIS-30624
Byte Content
0
Address
1
Address
2
Data 1
3
Data 2
4
Data 3
5
Data 4
6
Data 5
7
Data 6
8
Data 7
GetFullStatus1 Response Frame
Structure
Bit 7
Bit 6
Bit 5
Bit 4 Bit 3
1
1
OTP3 OTP2 OTP1
1
1
1
OTP3 OTP2
Irun[3:0]
Vmax[3:0]
AccShape StepMode[1:0] Shaft
VddReset StepLoss ElDef
UV2
TSD
Motion[2:0]
ESW OVC1
1
1
1
1
1
AbsThr[3:0]
Figure 13: GetFullStatus1 I²C Commando
Bit 2
Bit 1
Bit 0
OTP0
HW
1
OTP1 OTP0
HW
Ihold[3:0]
Vmin[3:0]
Acc[3:0]
TW
Tinfo[1:0]
OVC2 Stall CPFail
1
1
1
DelThr[3:0]
Important remark: Every 512μs this information is refreshed.
DriveHS
Tsw =1024 μs
512 μs
t
Tsw_on = 128 μs
DriveLS
t
"R"-Comp
R_th
t
SWI_Cmp
120 μs
t
ESW
0
1
1
1
t
ActPos
PC20060926.4
t
Figure 14: Timing Diagram Showing the Change in States for SWI Comparator
Rev. 4 | Page 21 of 56 | www.onsemi.com