As embedded networking continues to expand across IoT, industrial automation, and consumer electronics, designers seek compact, efficient, and affordable solutions for Ethernet communication. The DM870A-AQE, manufactured by Davicom, is a single-chip SoC that integrates CPU processing, Ethernet MAC/PHY, and rich I/O support, making it a solid choice for OEMs building routers, controllers, and IoT gateways.
At DRex Electronics, we specialize in sourcing network processors like the DM870A-AQE, ensuring global enterprises and OEMs can rely on stable supply for both new deployments and legacy system maintenance.
Technical Overview of the DM870A-AQE
The DM870A-AQE builds on Davicom’s Ethernet processor family, offering a streamlined solution for 10/100 Mbps networking applications.
Key Specifications:
-
Processor Core: 32-bit RISC CPU (Davicom proprietary, ARM9-class equivalent)
-
Clock Frequency: ~100–133 MHz (variant dependent)
-
Networking Features:
-
Integrated 10/100 Mbps Ethernet MAC
-
On-chip Ethernet PHY for direct connectivity
-
MII/RMII interface compatibility
-
-
Embedded Memory: On-chip SRAM for buffering; supports external SDRAM/Flash memory
-
Peripheral Interfaces:
-
UARTs, SPI, I²C for communication expansion
-
GPIOs for control logic
-
DMA controller for efficient packet handling
-
-
Package: AQE = LQFP (Low-profile Quad Flat Package) for compact embedded design
-
Power Supply: 3.3V I/O, low-power architecture
-
Temperature Range: Available in commercial and industrial grades
Looking for more embedded processors? Explore FPGAs, DSPs, and microprocessors in our catalog.
Advantages of the DM870A-AQE
-
Single-Chip Ethernet Solution – Combines CPU, MAC, and PHY in one package.
-
Compact Design – Ideal for space-constrained embedded systems.
-
Low Power Consumption – Optimized for energy-sensitive applications.
-
Flexible Interfaces – Multiple peripheral connections allow easy system expansion.
-
Cost-Effective Networking – Reduces BOM cost compared to multi-chip solutions.
Applications of the DM870A-AQE
The DM870A-AQE is widely used in networking and control systems where reliability and compact design are required:
-
Networking Equipment: Routers, Ethernet hubs, and managed/unmanaged switches
-
Industrial Automation: PLCs, SCADA controllers, and fieldbus gateways
-
IoT Gateways: Smart home hubs, connected appliances, and edge devices
-
Consumer Electronics: Printers, scanners, and set-top boxes with Ethernet connectivity
-
Telecommunications: Protocol converters, VoIP adapters, and broadband access devices
For more components used in network and communication systems, check our partner coverage on Lattice Semiconductor solutions.
Why OEMs Choose the DM870A-AQE
-
Proven Reliability: Based on Davicom’s successful Ethernet processor family.
-
Reduced Development Cost: Integrated MAC/PHY simplifies hardware design.
-
Legacy & New Designs: Fits both existing systems and new product lines.
-
Trusted Supply Chain: With DRex Electronics, OEMs ensure component authenticity and long-term sourcing.
External Resources for Engineers
For engineers researching the DM870A-AQE and related technologies:
-
Davicom Semiconductor – Official product information and datasheets
-
Ethernet PHY vs. MAC Explained – Educational guide on Ethernet architecture
-
System-on-Chip (SoC) Overview – General introduction to SoCs for networking and embedded designs
Final Thoughts
The DM870A-AQE is a cost-efficient, integrated Ethernet network processor that delivers the right balance of CPU performance, MAC/PHY networking, and flexible I/O. From routers and IoT gateways to industrial automation controllers, it remains a valuable choice for OEMs looking to simplify networking hardware.
At DRex Electronics, we provide ISO 9001-certified sourcing for networking SoCs like the DM870A-AQE, ensuring engineers and procurement managers have access to trusted semiconductor solutions.
