TLE5010 Datasheet, PDF (47/56 Pages) Infineon Technologies AG – GMR Based Angular Sensor

TLE5010
Draft
Test Structures
11.3
Angle Test and Temperature Measurement Timing
The angle test and the temperature readout is based on the same mechanism.
In the Normal Mode, the output path is linked to the angle test or temperature
measurement unit until the mode is terminated.
< t_upd
t_upd
t_upd
FSYNC
(reset)
FCNT[4]
4
5
0
< t_upd
t_upd
t_upd
1
2
0
ADC&Filter
X[16],Y[16]
Buffer1
ANGT_EN
or TEMP_EN
Update
Val_G4 Val_G5 Val_A0
Val_G3
Val_G4
Val_A1
Val_A0
Val_A2 Val_G0
Val_A1
useful
GMR_OFF
No GMR signal available
t_upd
1
Val_G1
Val_G0
t_upd
2
Val_G2
Val_G1
Figure 15 Measurement in Normal Mode
In the Automatic Mode, the signal is automatically switched back to GMR measurement
after the read-out of one value.
< t_upd
t_upd
t_upd
FSYNC
(reset)
FCNT[4]
4
5
0
t_upd
t_upd
t_upd
Updated FCNT=2
1
0
1
ADC&Filter
X[16],Y[16]
Buffer1
ANGT_EN
or TEMP_EN
Update
Val_G4 Val_G5 Val_A0
Val_G3
Val_G4
Val_A1
Val_A0
Val_G0
Val_A1
automatic!
Val_G1
Val_G0
GMR_OFF
No GMR signal available
t_upd
2
Val_G2
Val_G1
Figure 16 Measurement in Automatic Mode
Preliminary Data Sheet
47
V 0.9, 2007-05