TLE9260-3QX Datasheet, PDF (50/175 Pages) Infineon Technologies AG – Dedicated Data Sheets are available for the different product variants

TLE9260-3QX
5.4.4.4 SBC Restart Mode with SWK
If SBC Restart Mode is entered the transceiver can change the CAN mode. During Restart or after Restart the
following modes are possible
• CAN OFF
• CAN WK Mode (either still wake cable or already woken up)
• CAN SWK Mode (WUF Wake from Sleep)
Table 12 CAN Modes change in case of Restart out of SBC Normal Mode
Programmed CAN Mode in SBC CAN_x SYSERR CAN Mode in and after SBC
Normal Mode
bits
bit
Restart Mode
CAN OFF
000
0
CAN OFF
CAN WK Mode (no SWK)
001
0
CAN WK Mode (no SWK)
CAN Receive Only (no SWK)
010
0
CAN WK Mode (no SWK)
CAN Normal Mode (no SWK)
011
0
CAN WK Mode (no SWK)
CAN OFF
100
0
CAN OFF
CAN SWK Mode
101
0
CAN WK Mode (no SWK)
CAN SWK Mode
101
1
CAN WK Mode (no SWK)
CAN Receive Only with SWK
110
0
CAN WK Mode (no SWK)
CAN Receive Only with SWK
110
1
CAN WK Mode (no SWK)
CAN Normal Mode with SWK
111
0
CAN WK Mode (no SWK)
CAN Normal Mode with SWK
111
1
CAN WK Mode (no SWK)
CAN_x
bits
000
001
001
001
100
101
101
101
101
101
101
SYSERR
bit
0
0
0
0
0
1
1
1
1
1
1
The various reasons for entering SBC Restart Mode and the respective status flag settings are shown in Table 13.
Table 13 CAN Modes change in case of Restart out of SBC Sleep Mode
CAN Mode in SBC
Sleep Mode
CAN Mode in
and after SBC
Restart Mode
CAN_ SYS
x
ERR
CAN_ WUP WUF ECNT_ Reason for Restart
WU
x
CAN OFF
CAN OFF
000 0
0
0
0
0
Wake on other wake
source
CAN WK Mode
CAN woken up 001 0
1
1
0
0
Wake (WUP) on CAN
CAN WK Mode
CAN WK Mode 001 0
0
0
0
0
Wake on other wake
source
CAN SWK Mode
CAN woken up 101 0
1
0/1¹⁾ 1
x
Wake (WUF) on CAN
CAN SWK Mode, CAN woken up 101 1
1
0/1²⁾ 0
100000 Wake due to error
counter overflow
CAN SWK selected, CAN woken up. 101 1
1
1
0
0
CAN WK active
Wake (WUP) on CAN,
config check was not
pass
CAN SWK Mode
CAN WK Mode 101 1
0
0/1 0
x
Wake on other wake
source
1) In case there is a WUF detection within t_SILENCE then the WUP bit will not be set. Otherwise it will always be set together
with the WUF bit.
2) In some cases the WUP bit might stay cleared even after t_SILENCE, e.g. when the error counter expires without detecting a
wake up pattern
Data Sheet
50
Rev. 1.1, 2014-09-26