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FS6500 Datasheet(PDF) 81 Page - NXP Semiconductors

Part # FS6500
Description  Safety power system basis chip with CAN FD and LIN transceivers
PDF  153 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

FS6500 Datasheet(HTML) 81 Page - NXP Semiconductors

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NXP Semiconductors
FS6500-FS4500-ASILD
Safety power system basis chip with CAN FD and LIN transceivers
12.10.4.6 LIN overtemperature
If the driver temperature exceeds TSD (tLIN_SD), the LIN driver is disabled and the LIN bus returns to the
recessive state. The LIN receiver continues to operate. The LIN_mode MSB bit is set to 0 and the LIN_OT flag
is reported in the DIAG_CAN_LIN register. A hysteresis is implemented in this protection feature. The LIN driver
remains disabled until the temperature has fallen below the OT threshold minus hysteresis. The device recovers
from this error detection after setting the LIN_mode to normal operation, and when a high level is detected on
TXDL.
12.10.4.7 LIN errors
The interruption generated by the LIN errors can be inhibited setting INT_INH_LIN bit in INIT_INH_INT register.
The list of LIN error bits is provided in Table 15.
Register
Bit
Flag type
Effect
LIN_DOM
Error
No impact on LIN transceiver
RXDL_REC
Error
Turn off LIN transceiver
TXDL_DOM
Error
Turn off LIN transceiver
DIAG_CAN_LIN
LIN_OT
Error
Turn off LIN transceiver
Table 15. LIN error bits
12.10.5 Wake-up mechanism
The device can wake-up by a LIN dominant pulse longer than tBUS_WU. Dominant pulse means: a recessive to
dominant transition, wait for t > tBUS_WU, then a dominant to recessive transition.
aaa-037797
VLIN_REC
VLIN_REC
VLIN_DOM
tBUS_WU
VBUS_WU
LIN Wake-up
validation
Figure 68. LIN wake-up pattern illustration
FS6500-FS4500-ASILD
All information provided in this document is subject to legal disclaimers.
© 2024 NXP B.V. All rights reserved.
Product data sheet
Rev. 8 — 5 August 2024
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