User manual

TB-7Z-020-EMC Hardware User Manual
24
Rev.1.03
7.8. CAN BUS
The TB-7Z-020-EMC board includes the PHILIPS TJA1040T_VM_118.The TJA1040 is an advanced
high speed Controller Area Network (CAN) transceiver for use in automotive and general industrial
applications. It supports the differential bus signal representation described in the international standard
for in-vehicle high speed CAN applications (ISO 11898).
Device Features : TJA1040T_VM_118 (PHILIPS)
The CAN interface is shown in Figure 7-16.
RXD signal connected to Zynq D12. TXD signal connected to Zynq B10.
RXD
TXD
STB
CANH
CANL
SPLIT
ZYNQ
XC7Z020-1CLG484
PS Bank501
CAN
Level Shifter
TXS0104EP
WR
(U11)
CAN
Transceiver
TJA1040T
_VM_118
(U12)
PinHeader
2.0pitch
0878321020
(CN15)
Figure 7-16 CAN Connection
7.8.1. Termination of CAN Bus
TB-7Z-020-EMC has termination registers R290 and R291. To connecting CAN Bus, Please check that
registers
Figure 7-17 CN15 and CAN Termination
7.8.2. CAN Cable pin assign
Cable end is Dsub 9pin female connector and header is connecting to CN15.
Table 7-7 CAN BUS Cable pin assign
Dsub
Pin#
Signal
Name
Header
Pin#
Dsub
Pin#
Signal
Name
Header
Pin#
1
NC
-
6
NC
-
2
CANL
10
7
CANH
5
3
GND
7 and 8
8
NC
-
4
NC
-
9
NC
-
5
NC
-
CANH_SPLIT and CANL_SPLIT signals are not connected.