TLE8262E Datasheet, PDF (79/93 Pages) Infineon Technologies AG – Universal System Basis Chip HERMES Rev. 1.0

TLE8262E
Serial Peripheral Interface
Table 20
Bit 10...6
00000
00001
00010
...
01111
10000
10001
...
11110
11111
Watchdog Encoder
Decimal calculation (ms)
0
(n+1) × 16
1
n = decimal value of
2
setting
...
15
16
n × 48 - 464
17
...
30
31
Timer (ms)
16
32
48
...
256 (default setting)
304
352
...
976
1024
15.5.3 SBC Diagnostic encoder
The SBC offers diagnostics information. The encoding of the different possible failures are listed in the following
table. The description apply only to data output.
15.5.3.1 Reason for restart and reset
Reason for reset, without activation of the Limp Home and the way it is encoded are summed up in Table 21. The
bits are cleared by reading the register with Read-Only command. When coming from Sleep Mode or Fail Safe
Mode the bits are cleared.
Table 21
RM1
0
0
1
1
Reason to Enter SBC Restart Mode without Limp HomeLimp Home activation
RM0
Cause for entering SBC Restart Mode
0
No reset has occurred or Limp Home activated
1
Undervoltage on V_cc1µC
0
First Watchdog failure (config 3 and 4) or no acknowledge of the Cyclic Wake-up
1
SPI command in SBC Software Flash Mode or reset low from outside
Data Sheet
79
Rev. 1.0, 2009-03-31