Diamond Systems 16-Channel 12-Bit Analog Output PC/104 Module RUBY-MM-1612 Board Drawing

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5. RUBY-MM-1612 BOARD DRAWING

J1:

PC/104 8-bit bus header

J2:

PC/104 16-bit bus header (not used)

J3:

User I/O header

J4:

Analog output range configuration header

J5:

Base address selection header

J6:

ISP header for factory use only; do not connect

Copyright 2001 Diamond Systems Corp.

Ruby-MM-1612 User Manual V1.1 P. 8

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Contents
RUBY-MM-1612 Table of Contents Description Signal Name Definition O Header PinoutBase Address Board ConfigurationBase Address Configuration Header J5 Position Hex Decimal Analog Output Range Configuration Adjustable Reference VoltageOn-Board Reference Full-Scale Voltage Selection Full-Scale VoltageAnalog Output Configuration Header J4 Range RUBY-MM-1612 Board Drawing Base + Write Function Read Function Reset informationRuby-MM-1612 I/O Map Base + 0 or 1, Read Update DACs Register DefinitionsBase + 0, Write DAC LSB register Base + 1, Write DAC MSB registerBase + 3, Write External trigger register Configuration Register 82C55 Digital I/O Chip Operation82C55 Register Map DefinitionsFull Scale Analog Output Ranges and ResolutionFull Scale 1LSB 10. D/A Code Computation Output Code Explanation Output Voltage for ±5V Range Offset Binary Coding for bipolar output rangesLSB = 1/2048 x Full-Scale Voltage To generate an analog output on one or more channels HOW to Generate AN Analog OutputHardware Update Command Examples Single channel output Two channel outputCalibration Procedure Specifications MiscellaneousFeatures Ordering InformationDescription PinoutsFunctional Diagram 82C55A Pin Description82C55A Functional Description Data Bus BufferRead/Write and Control Logic Group a and Group B ControlsMode Selection 82C55AOperational Description Ports A, B, and CSingle Bit Set/Reset Feature Figure Operating ModesInterrupt Control Functions Inte Flip-Flop DefinitionMode 0 Configurations Mode 0 Basic InputMode 0 Basic Output Control Word #4 Control Word #8 IBF Input Buffer Full F/F Input Control Signal DefinitionSTB Strobe Input Output Control Signal Definition Intr Interrupt RequestMode 2 Strobed Bi-Directional Bus I/O Bi-Directional Bus I/O Control Signal DefinitionOutput Operations Input OperationsMode Control Word Mode 2 Combinations Special Mode Combination Considerations Current Drive CapabilityApplications of the 82C55A Reading Port C Status Figures 15