Integrator’s Reference Manual

Table 7-2. Diagnostic Port Pinouts

Pin

Signal Name

Direction

Description

Number

 

User <-> Modem

 

 

 

 

 

1

Ground

Ground return

Ground return

 

 

 

 

2

DM_RXD

Output from

Diagnostic port RXD

 

 

modem

 

 

 

 

 

3

DM_TXD

Input to modem

Diagnostic port TXD

 

 

 

 

4

DM_DTR_N

Input to modem

Diagnostic port DTR

 

 

 

The DTR line has only one function:

 

 

 

to turn on the modem when power is

 

 

 

applied but no other device is

 

 

 

connected. When DTR is asserted, the

 

 

 

modem powers up immediately if

 

 

 

power is provided.

 

 

 

Pulled high to input voltage through

 

 

 

a 47K resistor in the modem.

 

 

 

 

5

Ground

Ground return

Ground return

 

 

 

 

6

Input DC POWER

Input/Output

Used for an active translator

 

 

 

Diagnostic cable. 5.6V-16V,

 

 

 

unfiltered in the modem. If this pin is

 

 

 

used as the source of power to the

 

 

 

modem, users must provide sufficient

 

 

 

filtering to comply with conducted

 

 

 

EMI specifications; see DC Power on

 

 

 

page 7-15.

 

 

 

 

7

DM_RTS_N

Input to modem

Diagnostic port RTS

 

 

 

Used for hardware flow control.

 

 

 

 

8

DM_CTS_N

Output from

Diagnostic port CTS

 

 

modem

Used for hardware flow control.

 

 

 

 

 

 

 

9

DM_PROGRAM_

 

Allows programming of the modem.

 

FLASH

 

Apply 13V +/- 10%, 50mA (maximum)

 

 

 

to program the flash in the modem.

 

 

 

This is required for all software

upgrades as well as service programming.

7-14

80-99208-1 Rev. D

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Qualcomm GSP-1620 specifications Integrator’s Reference Manual Diagnostic Port Pinouts
Page 192 Page 194

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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