3 Development Board Circuit
3.13 CAN
DBUG375-1.0E
27(40)
3.13
CAN
3.13.1
Introduction
There is one CAN interface and NXP TJA1050 transceiver chip is used.
The FPGA communicates with the transceiver via the UART interface, and
the maximum transmission rate is 1Mbps. The connection diagram is as
follows:
Figure 3-13 Connection Diagram of CAN
CAN_RXD
CAN_TXD
CANL
CANH
CAN Module
3.13.2
Pinout
Table 3-15 CAN Pinout
Name
FPGA Pin No.
BANK
I/O Level
Description
CAN_TXD
C11
1
2.5V
Transmitting data
CAN_RXD
C12
1
2.5V
Receiving data
3.14
WIFI
3.14.1
Introduction
The ESP-WROOM-02 WIFI module of Lexin is used to support SPI
and UART. SPI transmission rate is 20Mbps. The connection diagram is as
follows: