ST EVALSPEAr320HMI, Руководство пользователя, Страница: 13 / 36

EVALSPEAr320HMI Block descriptions and configurations
Doc ID 18410 Rev 3 13/36
4.4 CAN
The EVALSPEAR320HMI evaluation board supports two channels of CAN2.0A/B compliant
CAN bus communication, based on a 3.3 V CAN transceiver.
High-speed mode, standby mode, and slope control mode are selected by setting JP400
and JP403 as shown in
Table 5 and Table 6 .
See also: CAN DB9 plug connectors (CN400 and CN401) on page 17
Table 5. CAN0 transceiver settings
Jumper Description Configuration
JP400
Standby mode
High-speed mode ( Default )
Slope control mode
JP401
Installing JP401 enables the CAN0 terminal 120
Ω
resistor.
Default: installed
Table 6. CAN1 transceiver settings
Jumper Description Configuration
JP403
Standby mode
High-speed mode ( Default )
Slope control mode
JP404
Installed, JP404 enables the CAN1 terminal 120
Ω
resistor.
Default: installed
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
www.BDTIC.com/ST