CANBUS Speed and Length

CANBUS Speed and Length

Table 7-1 shows the relationship between the bit rate and cable length.

Table 5-1. Bit Rates for Different Cable Lengths

Bit Rate

Cable Length

10 KB/s

6.7 km

20 KB/s

3.3 km

50 KB/s

1.3 km

125 KB/s

530 m

250 KB/s

270 m

500 KB/s

130 m

1 MB/s

40 m

Features

Three programmable acceptance filters

Message filter covers: ID, IDE, RTR, 16 DATA bits

Each filter has its own enable flag

Transmit Path

Three Tx message holding registers with internal priority arbiter

Message abort command

Receive FIFO

Four message deep receive FIFO

FIFO status indicator

Bus coupler

Intel style interface module

Full synchronous zero wait-states interface

Status and configuration interface

Programmable Interrupt Controller

Listen only mode

CANbus analysis functions

Arbitration lost capture

Error event capture

Actual frame reference pointer

Programmable CANbus physical layer interface

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Lantronix DSTni-EX manual CANBUS Speed and Length, Features, 1. Bit Rates for Different Cable Lengths