Diamond Systems 16-Channel 12-Bit Analog Output PC/104 Module

82C55A

Reading Port C Status (Figures 15 and 16)

In Mode 0, Port C transfers data to or from the peripheral device. When the 82C55A is programmed to function in Modes 1 or 2, Port C generates or accepts “hand shaking” signals with the peripheral device. Reading the contents of Port C allows the programmer to test or verify the “status” of each peripheral device and change the program ﬂow accordingly.

There is not special instruction to read the status information from Port C. A normal read operation of Port C is executed to perform this function.

INTERRUPT		ALTERNATE PORT C
ENABLE FLAG	POSITION	PIN SIGNAL (MODE)

INTE B	PC2			(Output Mode 1)
		ACKB
		or
			STBB (Input Mode 1)

INTE A2	PC4
		STBA (Input Mode 1 or
		Mode 2)

INTE A1	PC6			(Output Mode 1 or
		ACKA
		Mode 2)

FIGURE 17. INTERRUPT ENABLE FLAGS IN MODES 1 AND 2

Applications of the 82C55A

The 82C55A is a very powerful tool for interfacing peripheral equipment to the microcomputer system. It represents the optimum use of available pins and ﬂexible enough to inter- face almost any I/O device without the need for additional external logic.

Each peripheral device in a microcomputer system usually has a “service routine” associated with it. The routine manages the software interface between the device and the CPU. The functional deﬁnition of the 82C55A is programmed by the I/O service routine and becomes an extension of the system software. By examining the I/O devices interface characteristics for both data transfer and timing, and matching this information to the examples and tables in the detailed operational description, a control word can easily be developed to initialize the 82C55A to exactly “ﬁt” the application. Figures 18 through 24 present a few examples of typical applications of the 82C55A.

INTERRUPT

REQUEST
PC3	PA0
	PA1
	PA2
	PA3
	PA4
MODE 1	PA5
MODE 1	PA6
(OUTPUT)	PA6
(OUTPUT)	PA7
	PA7
	PC7	DATA READY
	PC6	ACK
	PC5	PAPER FEED
82C55A	PC4	FORWARD/REV.
82C55A
	PB0
	PB1
	PB2
	PB3
	PB4
MODE 1	PB5
(OUTPUT)	PB6
	PB7
	PC1	DATA READY
PC0	PC2	ACK
PC0
INTERRUPT		CONTROL LOGIC
REQUEST		AND DRIVERS

HIGH SPEED

PRINTER

HAMMER

RELAYS

PAPER FEED

FORWARD/REV.

RIBBON CARRIAGE SEN.

FIGURE 18. PRINTER INTERFACE

RUBY-MM-1612, 16-Channel 12-Bit Analog Output PC/104 Module specifications

The Diamond Systems RUBY-MM-1612 is a versatile 16-channel 12-bit analog output PC/104 module designed to meet the demanding needs of various applications requiring precise analog signal generation. This module excels in environments ranging from industrial automation to scientific research, providing users with reliable performance and high-quality output.

Key features of the RUBY-MM-1612 include its capability to deliver 16 independent analog output channels. Each of these channels supports a resolution of 12 bits, enabling the generation of finely detailed signals for a wide range of applications. The analog outputs are voltage scalable, allowing users to select various output ranges, which enhances the module's flexibility in different system configurations.

Another notable characteristic is the onboard architecture, which employs a specialized digital-to-analog converter (DAC) with excellent linearity and minimal noise, ensuring that the output signals are both accurate and stable. The DAC's specifications allow for output signals with a maximum voltage range of ±10V, providing ample headroom for many applications.

In terms of connectivity, the module utilizes the PC/104 standard, known for its ruggedness and compact form factor. This design allows for easy integration into systems, making it ideal for space-constrained environments. The RUBY-MM-1612 features a robust interface that supports various protocols, ensuring compatibility with a wide array of PC/104 systems.

The module also includes a comprehensive set of support software tools, making it user-friendly for developers. The drivers and libraries provided for various programming environments simplify the process of integrating the module into existing systems, reducing development time and effort.

Additionally, the RUBY-MM-1612 is built for durability, with operational specifications that accommodate a wide temperature range. This reliability makes it suitable for outdoor installations and harsh conditions, where other systems may fail.

In summary, the Diamond Systems RUBY-MM-1612 is an advanced 16-channel 12-bit analog output PC/104 module that combines high performance with flexibility and ease of integration. Its robust features, modern technologies, and durability make it an excellent choice for engineers and developers looking for reliable solutions in analog signal generation. Whether in industrial control systems, data acquisition, or laboratory settings, the RUBY-MM-1612 stands out as a top-tier option for fulfilling complex analog output requirements.

Diamond Systems 16-Channel 12-Bit Analog Output PC/104 Module Applications of the 82C55A

Models: RUBY-MM-1612 16-Channel 12-Bit Analog Output PC/104 Module