The BU-65577/78Cx is a one to four channel MIL-STD-1553 card that provides new levels of performance and flexibility for PC/104-Plus (BU-65578C) or PCI-104 (BU-65577C) systems that interface to a MIL-STD-1553 data bus. The card uses DDC’s Extended Enhanced Mini-ACE (E²MA) architecture, which is API compatible with Enhanced Mini-ACE software. Standard features include 2MB of RAM per channel, 48-bit message time tagging, IRIG-B time stamp input, IRIG-106 Chapter 10 format, transformer or direct coupling, triggers, extensive BC & RT frame structures, error detection, RT Status Bit and Mode Code responses, and advanced Bus Controller functionality.