Intel PD672X/30/32/33 manual Buffer Implementation for Audio DAC

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PD672X/30/32/33 — ZV Port Implementation

6.0Buffer Implementation for Audio DAC

A buffer solution to isolate the audio controller when the socket is not configured in ZV Port mode is shown in Figure 3. This illustrates how to control the buffer enable; if the GD7XXX is used, then one of the GPO pins can control the buffer enable.

Figure 3. Buffer Implementation for Audio DAC

	GD7XXX
	V-PORT
PD6722
PD6729
PD6730	PC CARD BUS	ZV PORT PC CARD
PD6832
PD6833
	OE BUFFER
	AUDIO

10	Application Note

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Contents PD672X/30/32/33 ZV Port Implementation Application Note Contents PD672X/30/32/33 ZV Port Implementation Introduction Zoomed Video ZV OverviewTypical ZV Port Implementation Typical ZV Port Implementation PD672X/30/32/33 ZV Port Implementation Dedicated Socket Approach to ZV Port Implementation Dedicated Socket Approach to ZV Port ImplementationBuffer Implementation for Audio DAC Buffer Implementation for Audio DACPC Card ZV Port Pin PD6722S ZV Port Implementation for Socket a and BPC Card, ZV Port, and PD6722 Pin Assignment Sheet 1 CommentsPC Card, ZV Port, and PD6729 Pin Assignment Sheet 1 PC Card, ZV Port, and PD6722 Pin Assignment Sheet 2PC Card ZV Port Pin PD6729S Comments PC Card ZV Port Pin PD6729S PC Card, ZV Port, and PD6729 Pin Assignment Sheet 2PC Card, ZV Port, and PD6730/’6832 Pin Assignment Sheet 1 PC Card ZV Port Pin PD6730 orPD6832 Comments PC Card, ZV Port, and PD6730/’6832 Pin Assignment Sheet 2Pin Layout Guidelines

PD672X/30/32/33 specifications

The Intel PD672X family, which includes the PD6720, PD6723, PD6724, and PD6725, represents a significant advancement in the realm of integrated circuit technologies, specifically catering to the demands of embedded systems and personal computer applications during the early 1990s. These components were primarily designed to serve as peripherals, particularly focusing on providing enhanced serial communication capabilities.

One of the primary features of the PD672X series is its integration of multiple communication protocols, including both RS-232 and RS-422 standards. This versatility provides developers with the ability to utilize these chips in a wide range of applications, from basic data transfer to more complex networking tasks. The chips come equipped with flexible baud rate configurations, allowing users to adapt the communication speed to the requirements of their specific applications.

Another standout technology associated with the PD672X series is the incorporation of advanced interrupt handling and buffer management systems. This feature enhances data throughput by allowing incoming data to be stored temporarily in buffers, enabling the CPU to process information without being interrupted constantly. This is particularly beneficial in environments where time-sensitive data processing is critical, such as in industrial automation and real-time communication applications.

The PD672X series is also characterized by its compact design and low power consumption, making it suitable for portable devices and applications where space and energy efficiency are of paramount importance. These attributes allow manufacturers to incorporate the chips into a broader array of devices without significant constraints on size or battery life.

Moreover, the Intel PD672X family is notable for its compatibility with a variety of operating systems, ensuring that developers can leverage its capabilities across different platforms. This compatibility promotes wider adoption of the technology, as it can easily integrate into existing systems without the need for extensive modifications.

In conclusion, the Intel PD672X/30/32/33 series stands out for its robust communication capabilities, flexible configurations, efficient data handling, compact size, and system compatibility. These features collectively contribute to its enduring relevance in the embedded systems market, providing developers with a reliable solution for a multitude of applications that require effective serial communication.