. . . . . GENERAL FEATURES . . . BUS CONTROLLER HIGHLIGHTS . . REMOTE TERMINAL HIGHLIGHTS . . BUS MONITOR HIGHLIGHTS . . . BLOCK DIAGRAM . . . . PROTOCOL CHIP DESCRIPTION.

. . BC REGISTERS . . . . CONFIGURATION REG 2 . . . CONFIGURATION REG 1 . . . FRAME “A” POINTER . . . . FRAME “A” LENGTH .

. . HOST BUS INTERFACE UNIT . . . I/O BUS INTERFACE UNIT . . . INTERRUPT CONTROL UNIT . . . ICU REGISTERS . . . . INTERRUPT DEFINITION TABLE . . ICU FIFO . . . . . DUAL REDUNDANT FRONT END . . MANCHESTER DECODER . . . MANCHESTER ENCODER . . . GAP COU.

NHI-15103ET

NHI-15104ET

NHi-15133

NHi-15134

NHI-15191RT

NHI-15192RT

NHI-15202RT

NHI-15302RT

NHI-15391RT

NHI-15392RT

NHi-1567

NHi-1568

NHi-15765