Infineon Technologies TLE5012B, User Manual, Page: 24 / 105

TLE5012B
Specification
User’s Manual 24 Rev. 1.2, 2018-02
Table 4-1 Initialization via SSC / SPI to change ANG_DIR
Step Command type Register Value Description
0 (default) - MOD_2 0x0801 Angle Range = 360°, Angle Direction = counter clockwise,
Autocal = on
This is the default value.
1 W (write) MOD_2 0x0808 Angle Range = 360°, Angle Direction = clockwise, Autocal =
off
Autocal is being deactivated, and Angle direction can be
changed. The deactivated autocal stops any running
min/max search and clears the min/max_x/y registers before
any offset (and amplitude) parameters can change.
2 Wait - 128µs A minimum of two t
update
periods are needed until all settings
have been adopted by the sensor. Since this delay depends
on the timing of the SPI write in comparison to the sensors
internal execution timing it is recommended to wait three
t
update
(3*42.7µs by default) for time margin. In case t
update
is
configured to 85µs (or higher), extend the time to fulfill
3*t
update
.
This waiting time is also important before reading the default
parameters (OFFX, OFFY, SYNCH, IFAB, MOD4, TCO_Y,
T25O) in case it is necessary.
3 W MOD_2 0x0809 Angle Range = 360°, Angle Direction = clockwise, Autocal =
on
Angle direction has been changed previously and now
autocal is again activated.
4 Wait - 128µs Similar to wait above. Sensor needs time to recognize that
the CRC check of the parameter registers (Addresses
0x08...0x0F) need to be disabled due to reactivated autocal.
5 R (read) STAT S_FUSE
error S_FUSE error may be present due to reconfiguration (as
explained on
Note on Page 23 ). Reading out the STAT
register the S_FUSE is reset (SPI Safety Word will not show
anymore an error because it has been cleared).
6 R STAT S_FUSE
cleared This read is only necesary if the previosu SPI Safety Word is
not checked for a system-error (includes S_FUSE).