TLE4998S3C Datasheet, PDF (34/36 Pages) Infineon Technologies AG – Programmable Linear Hall Sensor

TLE4998S3C
SENT Output Definition (SAE J2716)
Table 19 Content of a SENT Data Frame (8 Nibbles)
SYNC
DATA WORD 1
DATA WORD 2
STATUS D1 MSN D1 MidN D1 LSN D2 MSN D2 MidN D2 LSN
CRC
bits
state
range
10 RR
01 RR
00 RR
description
status and current range
startup condition in range RR
overvoltage in range RR
normal state using range RR
bits description
11
+/- 50mT
01
+/- 100mT
00
+/- 200mT
bits
description1
D1 MSN D1 MidN D1 LSN D2MSN
decimal: OUT12
( = D1MSN*256 +D1MidN*16+D1LSN )
1111
1111
1111
1111
1111
1111
1111
1111
1111
:
0000
0000
0000
0000
0000
0000
0000
0000
0000
1111
1111
1111
1111
1111
1111
1111
1111
1111
:
0000
0000
0000
0000
0000
0000
0000
0000
0000
1111
1111
1111
1111
1110
1110
1110
1110
1101
:
0010
0001
0001
0001
0000
0000
0000
0000
0000
1111
1110
:
0000
1111
1110
:
0000
1111
:
0000
1111
:
0000
1111
1110
:
0001
0000
4095 (FSR)
4095
4095
4095
4094
4094
4094
4094
4093
:
2
1
1
1
0
0
0
0
0
description 2
decimal: OUT16
( = OUT12*16+D2MSN )
65535 (FSR)
65534
:
65520
65519
65518
:
65504
65503
:
32
31
:
16
15
14
:
1
0
description
CRC calculation
for all nibbles on the
basis of SAE J2716
seed value: 0101
polynomial: X⁴+X³ +X²+1
bits
D2MidN D2LSN
1111 1111
1111 1110
1111 :
1111 0000
1110 1111
:
:
0101 0000
0100 1111
:
:
0011 0111
0011 0110
:
:
0000 0001
0000 0000
description
decimal: TEMP8
( = D2MidN* 16+D2LSN )
200 °C
199 °C
:
185 °C
184 °C
:
25 °C
24 °C
:
0°C
-1°C
:
-54 °C
-55 °C
Abbreviations:
SYNC – synchronization nibble
STATUS – status nibble
CRC – cyclic redundancy code nibble
FSR – full scale range
MSN – most significant nibble
MidN – middle nibble
LSN – least significant nibble
OUT12 – 12 bit output value
OUT16 – 16 bit output value
TEMP₈ – 8 bit temperature value
Data Sheet
34
Rev 1.1, 2009-09