TLE7242-2G Datasheet, PDF (42/50 Pages) Infineon Technologies AG – 4 Channel Fixed Frequency Constant Current Control IC

TLE7242-2G
Functional Description and Electrical Characteristics
5.6.2.10 SPI Message #9 - Diagnostic Read
Sent Values:
Diagnostic Read
Reset Value: xx 00 00 03H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R/W
MSG_ID
unused
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
unused
Field
Bits
R/W
31
MSG_ID
30:26
Type
Description
Read / Write Bit
0 = Read
1 = Write (interpreted as a read)
Message Identifier
0 1001 = Diagnostic Read
Response Values:
Diagnostic Read
31 30 29 28 27
0
MSG_ID
Reset Value: xx 00 00 03H
26 25 24 23 22 21 20 19 18 17 16
SG0
OFF-
TST0
SB0
SB- OL- OL-
TST0 OFF0 ON0
SG1
OFF-
TST1
SB1
SB-
TST1
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
OL- OL-
OFF1 ON1
SG2
OFF-
TST2
SB2
SB- OL- OL-
TST2 OFF2 ON2
SG3
OFF-
TST3
SB3
SB- OL- OL-
TST3 OFF3 ON3
ENL
RBL
Field
MSG_ID
Bits
30:26
Type
SGx
OFF-TSTx
SBx
SB-TSTx
OL-OFFx
OL-ONx
ENL
RBL
25,19,13,7
24,18,12,6
23,17,11,5
22,16,10,4
21,15,9,3
20,14,8,2
1
0
Data Sheet
Description
Message Identifier
0 1001= Diagnostic Read (channel 0-3)
Short to Ground - Fault
Short to Ground & Open Load (Gate Off) - Tested
Short to Battery - Fault
Short to Battery - Tested
Open Load (Gate Off) - Fault
Open Load (Gate On) - Fault
Enable Pin Latch
Reset_B Pin Latch
42
Rev. 1.0, 2008-07-09