Data Sheet
136
Rev. 1.00
2017-07-31
TLE9262BQXV33
Serial Peripheral Interface
Notes
1. See also
Chapter 15.2.4
for more information on disabling the watchdog in SBC Stop Mode.
2. See
Chapter 15.2.5
for more information on the effect of the bit WD_EN_WK_BUS.
3. See
Chapter 15.2.3
for calculation of checksum.
WD_CTRL
Watchdog Control (Address 000 0011
B
)
POR / Soft Reset Value: 0001 0100
B
;
Restart Value: x0xx 0100
B
7
6
5
4
3
2
1
0
CHECKSUM
WD_STM_
EN_0
WD_WIN
WD_EN_
WK_BUS
Reserved
WD_TIMER_2 WD_TIMER_1 WD_TIMER_0
r
rw
rwh
rw
rw
r
rwh
rwh
rwh
Field
Bits
Type
Description
CHECKSUM
7
rw
Watchdog Setting Check Sum Bit
The sum of bits 7:0 needs to have even parity (see
Chapter 15.2.3
)
0B , Counts as 0 for checksum calculation
1B , Counts as 1 for checksum calculation
WD_STM_
EN_0
6
rwh
Watchdog Deactivation during Stop Mode, bit 0
(
Chapter 15.2.4
)
0B , Watchdog is active in Stop Mode
1B , Watchdog is deactivated in Stop Mode
WD_WIN
5
rw
Watchdog Type Selection
0B , Watchdog works as a Time-Out watchdog
1B , Watchdog works as a Window watchdog
WD_EN_
WK_BUS
4
rw
Watchdog Enable after Bus (CAN/LIN) Wake in SBC Stop Mode
0B , Watchdog will not start after a CAN/LINx wake
1B , Watchdog starts with a long open window after CAN/LINx
Wake
Reserved
3
r
Reserved, always reads as 0
WD_TIMER
2:0
rwh
Watchdog Timer Period
000B , 10ms
001B , 20ms
010B , 50ms
011B , 100ms
100B , 200ms
101B , 500ms
110B , 1000ms
111B , reserved