Table 14 Meas_Pressure: Input Parameter: Sensorconfig[7:0]; Table 15 Meas_Pressure: Input Parameter: Samplerate - Infineon SP37 Function Manual

High integrated single-chip tpms sensor with a low power embedded microcontroller and wireless fsk/ask uhf transmitter
Table of Contents

Advertisement

Table 14
Meas_Pressure: Input Parameter: SensorConfig[7:0]
Bit 7
Bit 6
Sens_Type
RAW
Sens_Type
RAW
RES
Mode
2POWN[2:0]
Table 15
Meas_Pressure: Input Parameter: SampleRate
Bit7
Bit 6
SR.7
SR.6
SR[7:0]
ROM Library Function Guide
Bit 5
Bit 4
RES
RES
Select Pressure Measurement
1
: Pressure Measurement
B
Defines if the raw ADC result is compensated
0
: Temperature compensation is performed. Returns compensated & raw value
B
1
: No compensation is performed. Returns only raw value. If
B
SensorConfig bit RAWTemp is set to 1
performed. If no compensation is performed, the autorange selection is disabled and
the range has be set manually.
Note: See
Table 16
for impact on ROM Library function output
RES bits have to be set to 0
Pressure Mode:
0
: Average value
B
1
: Maximum value
B
Number of ADC measurements that are taken and averaged
111
: 64 Samples
B
110
: 64 Samples
B
101
: 32 Samples
B
100
: 16 Samples
B
011
: 8 Samples
B
010
: 4 Samples
B
001
: 2 Samples
B
000
: 1 Sample
B
Bit 5
Bit 4
SR.5
SR.4
Number of systemclock cycles divided by 8 between two consecutive samples (only
applicable if more than one sample is taken):
00
: No delay (fastest possible sample rate)
H
01
..4F
: Not allowed
H
H
50
..FF
: 1/sample rate (sample rate in systemclocks divided by 8)
H
H
Tire Pressure Monitoring Sensor
Bit 3
Bit 2
MODE
2POWN.2
, no RAW temperature measurement is
B
B
Bit 3
Bit 2
SR.3
SR.2
34
SP37
ROM Library Functions
Bit 1
Bit 0
2POWN.1
2POWN.0
Bit 1
Bit 0
SR.1
SR0
Revision 1.0, 2011-12-15

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents