
ETAS
Technical Data
ES922.1
-
User Guide
35
7.12.2
CAN interface
Other
CAN FD and High-Speed CAN "Wake-Up" signal conditions
At least two signal edges of the same polarity must fall within a time of 100 ms.
Clients
CAN1 and CAN2
Two independent interfaces,
galvanically isolated from one
another,
can be configured separately (CAN
FD, High-Speed CAN, Low-Speed
CAN)
Default
ISO 11898-1, ISO 15765-4,
ISO 11898-2:2015
Protocols
CAN V2.0a (standard identifier),
CAN V2.0b (extended identifier)
CAN FD
(ISO/CD 11898-1:2015; Bosch CAN FD
specification V1.0 [non-ISO])
Transmission speed
Low-Speed CAN:
Max. 125
kBaud
High-Speed CAN/CAN FD header:
Max. 1
MBaud for 20
m bus length
CAN FD (data): Max. 5
Mbit/s (operat
-
ing temperature range)
CAN FD (data): Max. 8
Mbit/s (room
temperature)
Controller
IP core (FPGA)
Transceiver (physical layer)
Low-Speed CAN:
TJA1055
High-Speed CAN/CAN FD:
TJA1044G
Functions
Wake-Up, Sleep
LED
CAN bus status display
Signal edge increase rate
t/dV
<
150
ns/V
Differential input resistance
R i,diff
=
10 kilo-ohms
NOTE
The "Wake-Up" function is only supported if at least one CAN interface of the
ES922.1 is configured as CAN FD or High-Speed CAN.
CAN interface clients
Max. 4