MAX2981GCB+

Maxim Integrated MAX2981GCB+ is a low-power, SWaP-optimized, 10 Mbit/s multi-channel Ethernet transceiver, designed to work in challenging automotive, defense, industrial and networking applications. The transceiver integrates single-channel Ethernet transceivers with RGMII (v1.3) PHY, four to eight-channel MII/GMII/TBI/RTBI/TBI-PHYs, and MDIO features. It also features a 32-bit ARM Cortex M4 processor core that provides a flexible, programmable platform for implementing functionality such as protocol customization, communication interface bridging, Quality-of-Service (QoS) and filtering. The MAX2981GCB+ is suitable for implementing Ethernet switching, bridging, and routing functions over multiple physical layers in a power-optimized package.

Maxim’s MAX2981GCB+ enables the integration of Ethernet transceiver functions into a single power-optimized device. The device supports MII, GMII, RGMII, TBI, RTBI, and MDIO interfaces, and offers bit rate flexibility, support for half-duplex and full-duplex communication, and a wide range of messaging options. The transceiver supports 10/100/1000 Mbit/s data rates, and can be used in a range of Ethernet applications. The available RGMII version supports Auto-Negotiation and Power-over-Ethernet (PoE) detection. The device also includes MDIO support to facilitate management of switching functions, detection and monitoring of link status, and configuration of the MAC interface.

The MAX2981GCB+ has high clock jitter tolerance, which helps ensure robust and reliable operation in high-temperature, radiation-challenging environments. The transceiver features low power consumption, and supports wake-up on events and programmable wake-up/sleep cycles. Its on-chip ARM Cortex M4 processor provides a platform for implementing functions such as bridging, communication interfaces, and protocol customization.

The low latency of the MAX2981GCB+ allows real-time applications to be performed with minimal latency. The transceiver supports data rates up to 10 Mbit/s, allowing it to be used in a wide range of applications including Ethernet bridging, switching, and routing. The transceiver also supports Layer 2 bridging, making it suitable for deploying advanced VoIP solutions in mission-critical applications. The device also incorporates an integrated ARM Cortex-M4 processor, which can be used to support custom protocols or full application development.

The MAX2981GCB+ is a versatile, low-power Ethernet transceiver for a wide range of applications, particularly in telecom, automotive, defense, and industrial applications. Its ARM Cortex M4 processor enables protocol customization and bridging, communication interface bridging, and Quality-of-Service (QoS) and filtering. The device’s low power consumption, high jitter tolerance, and low latency allow real-time applications to be performed with minimal latency, enabling reliable operation in demanding environments. The device has been designed to provide robust and reliable performance in automotive, defense, industrial and networking applications.