Specifications

CAN FIFO Driver Blocks for the CAN-AC2-104 with Philips SJA1000 CAN-Controller

5-25

edit field described further below. If just one board is present in the target

system, board number 1 should be selected.

CAN 1 - Baud rate — Defines the most common baud rates for CAN port 1. If

special timing is necessary (baud rate), you can select

User defined.

CAN 1 - User defined baud rate — If you selected User defined from the CAN

1 - Baud rate list, enter four values for the timing information. The vector

elements have the following meaning

[ Prescaler, Synchronisation-Jump-Width, Time-Segement-1,

Time-Segment-2 ]

For more information about these values see the Softing user manual for this

board.

CAN 1 - Acceptance — Defines the acceptance filters for CAN port 1. Because

the receive FIFO gets filled with any CAN messages going over the bus, the use

of the CAN controller acceptance filters becomes important in order to filter out

unwanted messages already at the controller level. This acceptance filter

information is provided by a row vector with 4 elements, where the first two are

used to define the acceptance mask and acceptance code for Standard

identifiers and the latter two for Extended identifiers. The default value

defined by the Setup block doesn’t filter out any messages. For information how

to define the acceptance information in order to filter certain messages, see See

“Acceptance Filters” on page 5-38.

CAN 2 - Baud rate — Defines the most common baud rates for CAN port 2. If

special timing is necessary (baud rate), You can select User defined.

CAN 2- User defined baud rate — If you selected User defined from the CAN