AS5040
Data Sheet
OTP Register Contents:
CCW
Counter Clockwise Bit
ccw=0 – angular value increases in clockwise direction
ccw=1 – angular value increases in counterclockwise direction
Z [9:0]
Indx
Div1,Div0
Md1, Md0
Programmable Zero / Index Position
Index Pulse Width Selection: 1LSB / 3LSB
Divider Setting of Incremental Output
Incremental Output Mode Selection
OTP Default Setting
The AS5040 can also be operated without programming. The default, un-programmed setting is shown in Table 6
(Mode 0.0):
CCW: 0 = clockwise operation
Z9 to Z0: 00 = no programmed zero position
Indx: 0 = Index bit width = 1LSB
Div0,Div1 : 00 = incremental resolution = 10bit
Md0, MD1: 00
= incremental mode = quadrature
Figure 14: Programming Access – Write Data (section of Figure 15)
Figure 15: Complete Programming Sequence
CSn
Write Data
Programming Mode
Power Off
Prog
Data
1
16
7.5V
VDD
V ProgOff
0V
CLK PROG
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t Load PROG
t PrgH
t PrgR
t PROG
Revision 2.10
t PROG finished
17 - 33
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