NMSI mode telecom.

[sunrise111]

NMSI mode - ???

The three Serial Communication Controllers (SCC 1,2,3) and SCP are connected to the CPU pins through the serial channels' physical interface which operates in NMSI mode. Signals coming from the SCP (Rx, Tx, CLOCK) are multiplexed with signals coming from three lines of SCC3 channel

[Olya]

это когда "Each serial channel can have its own Pins (NMSI mode)"

вот одна из 181 ссылок по слову NMSI в гугле:
www.chipcatalog.com/Motorola/MC68360.htm