PM8381-LGI

Series:	--
Part Status:	Obsolete
Number of I/O:	24
Interface:	Serial
Interrupt Output:	Yes
Features:	--
Output Type:	--
Current - Output Source/Sink:	--
Voltage - Supply:	1.8 V ~ 3.3 V
Operating Temperature:	--
Mounting Type:	--
Package / Case:	--
Supplier Device Package:	--

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Introduction

The PM8381-LGI is an interface I/O expander designed to support a variety of different applications. It is part of the larger PM8300 product family, which is a comprehensive suite of hardware and firmware solutions designed to address interface communication when multiple computing modules must be connected. The PM8381-LGI is designed to provide an interface between the host platform and serial and/or parallel peripheral devices. The PM8381-LGI also offers a number of features that enable users to customize their specific application.

Application Fields

The PM8381-LGI is an ideal solution for applications where multiple serial and/or parallel devices need to be connected. It can be used for simple, standalone applications that only require a single-channel connection between a host platform and a peripheral, as well as more complex applications that require multiple devices to be connected simultaneously. It is also well-suited for applications where multiple systems must be connected together, either to share resources or to perform distributed computing tasks.The PM8381-LGI is also a cost-effective solution for many industrial applications where additional computing power is needed. It can provide the needed I/O connectivity for industrial-grade controllers and robots, as well as for networked systems such as wireless networks, datacenter clusters, and high-speed serial interconnects.

Working Principle

The PM8381-LGI is a multichannel expander that connects the host platform to multiple serial and/or parallel devices. It provides the required interface circuitry and protocols in order to ensure reliable data transfers between the various components. The PM8381-LGI can be configured to operate in a variety of different modes, depending on the particular application.The PM8381-LGI is designed to use parallel bus architectures. A standard 8-bit, 16-bit, or 32-bit parallel bus is used to connect the host platform to the peripheral device. This bus is governed by the PM8381-LGI’s firmware, which can be programmed to behave in a number of different ways. It can be set to support interrupt-driven operation (for polling devices) or direct memory access (for DMA operations), for example. It can also be configured to function in a variety of transfer modes, such as polling, streaming, and burst modes.The PM8381-LGI is also capable of supporting both synchronous and asynchronous data transfers, depending on the specific application needs. In the synchronous mode, the PM8381-LGI synchronizes each data transfer with the host platform’s clock, resulting in a steady data rate between the two devices. The asynchronous mode allows the PM8381-LGI to independently control the bus protocol, allowing for higher data rates and faster transfer times.

Conclusion

The PM8381-LGI is an interface I/O expander designed to support various applications. It can be used to connect multiple serial and/or parallel devices, and provides the necessary interface circuitry and protocols for reliable data transfer. It can be configured to operate in a variety of different modes, and supports both synchronous and asynchronous data transfers. With its flexibility and cost-effectiveness, the PM8381-LGI is an ideal choice for industrial applications and for connecting multiple systems for distributed computing tasks.

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