Time-Triggered Communication

358 Time-Triggered Communication

14.4.6.2 TTP-Configuration and Schedule

Each element controller can be connected to up to four TTP-segments of which each

segment can be populated with up to 21 interface controllers. And the number of

element controllers in each segment is limited to two. A basic design requirement

to ensure composability is that for each TTP-segment the same TTP configuration is

used.

Each EC needs 16 N-frames to send its data to the interface controllers and in

turn each interface controller needs two TTP N-frames to send its data to the ECs.

Every TTP round consists of seven slots of which the first two slots are reserved

for the element ...