IPC@CHIP SC123/SC143
Hardware Manual V1.06 [18.02.2010]
©2000-2008 BECK IPC GmbH Page 37
6.5.2 TX Channels
To avoid priority inversion issues in the transmit path, three transmit buffers are available with a built-in priority
arbiter. When a message is transmitted, the priority arbiter evaluates all pending messages and selects the one
with the highest priority. The message priority is re-evaluated after each message abort event such as
arbitration loss.
Figure 6-15: TX Message Routing
6.5.3 RX Channel
A hardware FIFO stores the last four incoming messages. Status flags indicate how many messages are
stored. Additional flags determine the acceptance filter from which the actual message is coming.
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