ADS Environmental Services FlowShark QR 775003 A2 - Manual (Page 219)

Specifications A-3
IS Digital Signal Processor Board (5000-0636)
Processor Texas Instruments VC33 DSP (Digital Signal
Processor)
Memory 1 megabyte non-volatile (program, configuration,
and data storage); 512 kilobytes static RAM
Data Storage 140 days (1 velocity and 2 depth readings at a 15-
minute sample rate)
Comm Protocol Enhanced AccuYapp for modem, wireless, and
serial communications
Clock Battery-backed RTC Module
Inputs/Outputs Isolated frequency input (to read IS battery)
Isolated serial communications
Accubus High-Speed I/O (to other internal PCBs)
Protection Agency-approved optoisolators; current-limiting
resistors