TLE4998C3C Datasheet, PDF (40/42 Pages) Infineon Technologies AG – Programmable Linear Hall Sensor

TLE4998C3C
Table 27
SPC Output Definition
Content of a SPC Data Frame (5-8 Nibbles)
omitted if F[1] = 1*
omitted if F[0] = 1*
TRIGGER
SYNC
STATUS H1
H2
H3
H4
T1
T2
CRC
bits
description
state state
status information
10 RR/ID startup condition in RR / of ID
01 RR/ID overvoltage in RR / of ID
00 RR/ID normal state in RR / of ID
bits
11
10
01
00
description
+/- 50mT or ID #3
+/- 100mT or ID #2
+/- 100mT or ID #1
+/- 200mT or ID #0
bits
H1
H2
H3
H4
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
description1
decimal: OUT₁₂
( = H1* 256+H2*16 +H3 )
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+H4 )
65535 (FSR)
65534
:
65520
65519
65518
:
65504
65503
:
32
31
:
16
15
14
:
1
0
* The number of nibbles is programmed
in the frame register F
description
CRC calculation
for all nibbles
seed value: 0101
polynomial: X⁴+X³ +X²+1
bits
T1
T2
1111 1111
1111 1110
1111 :
1111 0000
1110 1111
:
:
0101 0000
0100 1111
:
:
0011 0111
0011 0110
:
:
0000 0001
0000 0000
description
decimal: TEMP₈
( = T1*16 + T2 )
200 °C
199 °C
:
185 °C
184 °C
:
25 °C
24 °C
:
0°C
-1°C
:
-54 °C
-55 °C
Abbreviations:
TRIGGER – trigger nibble
SYNC – synchronization nibble
STATUS – status nibble
CRC – cyclic redundancy code nibble
FSR – full scale range
H1..4 – hall value
T1..2 – temperature value
OUT₁₂ – 12 bit output value
OUT₁₆ – 16 bit output value
TEMP8 – 8 bit temperature value
Data Sheet
40
Rev 1.1, 2009-09