7A1000
Low-power embedded chipset with basic graphics, PCIe 2.0, SATA, and industrial temperature support for embedded and i...
Product Overview
Description
The Loongson 7A1000 is a low-power embedded chipset designed for industrial control, network appliances, and embedded computing applications.
Providing essential I/O including PCIe 2.0, SATA, USB, and basic graphics, the 7A1000 enables cost-effective embedded system designs.
With industrial temperature grade and low power consumption, the chipset is ideal for reliable operation in harsh environments.
Product Series
Chipsets and Bridge Chips
Primary Application
Industrial control systems
Key Features
- Low power consumption for embedded applications
- Industrial temperature grade for harsh environments
- PCIe 2.0 lanes for expansion and connectivity
- SATA 2.0 controller for storage devices
- USB 2.0 host controller for peripherals
- Basic 2D graphics for simple display applications
- LPC and SMBus for legacy and management interfaces
Specifications
| Function | Embedded Platform Chipset |
|---|---|
| Interfaces | PCIe 2.0, SATA 2.0, USB 2.0 |
| Graphics | Basic 2D Graphics |
| Temperature | -40°C to +85°C |
| Package | FBGA |
| Power | 2-5W typical |
Applications
Industrial control systems
Industrial automation and control
Network appliances and gateways
Communication and interface
Embedded computing platforms
Electronic system design
IoT and edge computing devices
Electronic system design
FAE Expert Insights
"The 7A1000 is my preferred chipset for industrial applications requiring Loongson processor support. The industrial temperature grade ensures reliable operation in factory and outdoor environments. Power consumption is low enough for fanless designs in most applications. While the graphics capabilities are basic compared to the 7A2000, they're adequate for industrial HMI and configuration interfaces. The PCIe 2.0 and SATA interfaces provide sufficient connectivity for industrial applications. I've successfully used 7A1000 in industrial controllers, network appliances, and edge computing platforms. The chipset's reliability has been proven in 24/7 industrial deployments. For cost-sensitive industrial applications, the 7A1000 provides excellent value."
Industrial temperature grade with low power consumption for reliable embedded designs.
— Emily Zhao, BeiLuo
Frequently Asked Questions
What is the difference between 7A1000 and 7A2000 for embedded applications?
The 7A1000 and 7A2000 serve different embedded application requirements. The 7A1000 offers industrial temperature grade (-40°C to +85°C) essential for harsh environments, lower power consumption (2-5W vs 5-10W), and lower cost. However, it provides only basic 2D graphics and PCIe 2.0 connectivity. The 7A2000 offers advanced 3D graphics, PCIe 3.0, and USB 3.0 but is limited to commercial temperature range. For industrial control, outdoor equipment, and harsh environments, the 7A1000 is recommended despite reduced features. For indoor embedded applications requiring better graphics or higher I/O performance, the 7A2000 may be suitable with proper thermal management. Many industrial applications find the 7A1000's feature set adequate while benefiting from industrial grade reliability.
Select 7A1000 for industrial temperature requirements. Consider 7A2000 for indoor applications requiring advanced graphics.
Can the 7A1000 be used with the 2K1000 processor?
The Loongson 7A1000 chipset is not typically used with the 2K1000 processor because the 2K1000 is a highly integrated SoC that includes most chipset functions onboard. The 2K1000 integrates dual-core processor, memory controller, GMAC, SATA, USB, and other I/O, reducing the need for a separate chipset. For applications requiring additional expansion beyond the 2K1000's integrated I/O, bridge chips such as PCIe switches or USB controllers can be added. The 7A1000 is designed to complement the 3A5000 and similar processors that lack integrated I/O. When designing with 2K1000, evaluate whether its integrated peripherals meet requirements before considering additional chipset components.
2K1000 includes integrated I/O; additional chipset typically not needed. Add bridge chips for specific expansion requirements.
What thermal management is required for the 7A1000?
The Loongson 7A1000 requires modest thermal management due to its low power consumption. Typical thermal design power is 2-5W depending on active interfaces. A small heatsink is usually sufficient for most applications. Fanless operation is possible with adequate chassis ventilation or a slightly larger heatsink. Thermal interface material should be used between the chipset and heatsink. PCB thermal design should include adequate ground plane area for heat spreading. Industrial applications may require additional thermal margin for high-temperature environments. Thermal simulation is recommended for sealed or thermally challenging enclosures. Reference designs include proven thermal solutions.
Use small heatsink for typical applications. Consider thermal simulation for challenging environments.
Does the 7A1000 support legacy I/O interfaces?
Yes, the Loongson 7A1000 includes support for legacy I/O interfaces commonly required in industrial applications. The chipset provides LPC (Low Pin Count) interface for connecting legacy devices such as Super I/O chips, TPM modules, and BIOS flash. SMBus support enables connection of management and monitoring devices. Serial UART interfaces are available for console and device communication. Parallel port support may be available through LPC expansion. These legacy interfaces facilitate migration from older platforms and support industrial peripherals that require traditional PC-style connectivity. Reference designs demonstrate typical legacy I/O implementations.
Leverage legacy I/O support for industrial peripheral connectivity. We can provide legacy interface design guidance.
What is the long-term availability of the 7A1000?
The Loongson 7A1000 is committed to long-term availability to support industrial and infrastructure applications with extended product lifecycles. Loongson typically guarantees 10+ year availability for embedded chipsets used in industrial applications. This commitment match the needs of industrial equipment manufacturers who require supply stability. End-of-life notifications are provided at least 12 months in advance with last-time-buy opportunities. Form, fit, and function compatible replacements are typically offered when products are discontinued. As an authorized distributor, we can provide formal long-term availability agreements and supply planning services for strategic customers.
Plan for long-term supply requirements. Contact us for formal availability commitments and supply agreements.