Developing Modem Applications

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Steps

TO RE-ENTER ONLINE MODE FROM ONLINE-COMMAND MODE

 

 

■ Use the ATO command (see Return to Online Data Mode

 

(O) on page 6-23).

Port(s) Affected by AT Commands

Various AT commands modify port configurations or initiate actions on a port. Since the modem has both a Data and Control port that can receive AT commands, the port affected by the received AT command is defined for each applicable port configuration. Port configuration is defined by which ports are active (DTR asserted).

Mapping the effects of an AT command to a particular port, or possibly ports, largely results from two factors: the AT command processor is single-threaded, and the Control and Data ports share a single instance of the AT command processor.

In this single instance of the AT command processor, a table defines default values and the state of each configurable parameter associated with each AT command. This default and configuration data for each command applies to one or both ports, depending on the port configuration. Most commands do not modify these configurable parameters.

Those commands that do modify parameters affect only the port processing the AT commands, with some exceptions. The exceptions, which are listed in Table 5-4 on page 5-14, are due primarily to the following unique attributes of the Data port:

• The Data port supports data (packet and asynchronous).

• The Data port supports configurable baud rate and handshake signals.

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Qualcomm GSP-1620 specifications Ports Affected by AT Commands, Developing Modem Applications Steps
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GSP-1620 specifications

Qualcomm GSP-1620 is a powerful, cutting-edge SoC (System on Chip) that is tailored for the demands of modern mobile and embedded applications. Designed to deliver high performance, energy efficiency, and advanced connectivity, the GSP-1620 stands out in the competitive landscape of processor solutions.

One of the main features of the GSP-1620 is its multi-core architecture, which facilitates simultaneous processing of multiple tasks. This architecture ensures enhanced multitasking capabilities, allowing devices to run complex applications smoothly without compromising performance. The GSP-1620 integrates Qualcomm's latest Kryo CPU technology, which optimizes performance while maintaining lower power consumption.

The GSP-1620 excels in graphics performance, powered by Adreno GPU technology. This integration enables rich visual experiences, making it ideal for gaming, augmented reality, and immersive multimedia applications. The GPU's capabilities allow for high frame rates and stunning graphics, ensuring that users enjoy a premium visual experience.

In terms of connectivity, the GSP-1620 supports advanced wireless technologies, including 5G, Wi-Fi 6, and Bluetooth 5. With these capabilities, users can expect ultra-fast data speeds, low latency, and improved networking performance. The integration of Qualcomm’s Snapdragon X55 modem enhances the SoC's capability to deliver seamless connectivity in various environments, whether indoors or outdoors.

Moreover, the GSP-1620 features cutting-edge AI and machine learning capabilities, enabled by Qualcomm’s Hexagon DSP technology. This allows for efficient processing of AI tasks, supporting functionalities such as voice recognition, image processing, and real-time translation. It makes the GSP-1620 suitable for applications in smart devices, automotive solutions, and industrial IoT.

Security is a priority in the design of the GSP-1620. The SoC incorporates hardware-based security features that protect sensitive data and applications, ensuring robust defense against cyber threats. This is vital for applications requiring high levels of security, such as mobile payments and confidential communications.

Lastly, the GSP-1620 is designed with scalability in mind. Its modular architecture allows manufacturers to customize the chipset according to specific needs, making it a versatile solution for a broad range of devices, from smartphones and tablets to wearables and embedded systems.

In summary, Qualcomm GSP-1620 combines high-performance processing, advanced graphics capabilities, sophisticated connectivity options, AI support, and robust security features. With these characteristics, it sets a new standard for mobile and embedded platforms, driving innovation in a variety of industries.
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