Integrator’s Reference Manual

Table 7-1. Interface Connector Pinouts (continued)

Pin

Signal Name

Signal

Direction

Description

Number

 

Level

User <-> Modem

 

 

 

 

 

 

24

SPKR_N

Analog

Output from

Analog speaker output

 

 

 

modem

(Reserved for Future Use)

 

 

 

 

 

25

MODULE_

TTL

Input to modem

Hard reset of the modem,

 

RESET_N

 

 

inverted logic. This line

 

 

 

 

should be left floating for

 

 

 

 

normal modem operation.

 

 

 

 

In case the application

 

 

 

 

detects that the modem is

 

 

 

 

not responding, it can

 

 

 

 

initiate a hard reset of the

 

 

 

 

modem by pulling this line

 

 

 

 

low (below 0.3V) for more

 

 

 

 

than 5 seconds. The

 

 

 

 

modem will reboot after

 

 

 

 

the line is allowed to float.

 

 

 

 

 

Diagnostic Port

The Diagnostic port consists of a single DE-9 male upright connector, located on the right side of the GSP-1620 modem (see Figure 7-1).

By connecting a Diagnostic cable (included in the Modem Integrator’s Kit) or a custom cable to the Diagnostic port, you can:

• Service-program a modem or upgrade its software, using

the Globalstar User Terminal Program Support Tool (UTPST).

• Monitor or verify some modem functions, using the QUALCOMM Globalstar Modem Operation Monitor.

Note

Normal field usage does not require that a cable be connected to the

Diagnostic port on the modem, since the port is typically used for

 

 

development and programming only.

 

The Diagnostic cable includes a switch box that controls

 

whether the cable’s DTR (Data Terminal Ready) signal is

 

asserted (“POS 1 DTR to GND”) or de-asserted (“POS 2 DTR

 

Open” or “POS 3 Not Used”). When DTR is asserted, the

 

modem powers up immediately if power is provided. Before

7-12

80-99208-1 Rev. D

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Qualcomm GSP-1620 specifications Diagnostic Port, Diagnostic cable includes a switch box that controls
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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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