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OS81210

Microchip

Intelligent Network Interface Controller

® OS81210 Intelligent Network Interface Controller for 50 Mbit/s Automotive Networks Features • Complete 50 Mbit/s sync...



OS81210

Microchip


Octopart Stock #: O-1526769

Findchips Stock #: 1526769-F

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Description
® OS81210 Intelligent Network Interface Controller for 50 Mbit/s Automotive Networks Features • Complete 50 Mbit/s synchronous network interface • Embedded network management functions - Network protection mode - Hardware & application watchdog timer - Intelligent muting - Diagnostics - Fallback Operation • IEEE MAC addressing and Ethernet channel
More View • Universal Serial Bus (USB) Port supports USB 2.0 High-speed upstream data transfers using either: - USB 2.0 physical layer - High-Speed Inter-Chip (HSIC) physical layer • Media Local Bus (MediaLB®) Port - Eases inter-chip communication and streaming - MediaLB 3-pin interface at speeds up to 1024xFs • I2C™ Control Port inter-chip message exchange • Streaming Port supports synchronous, fixed latency data exchange for a variety of serial audio formats including time-division multiplex (TDM) and pulse density modulation (PDM) • SPI Port supports asynchronous and control packets • General Purpose I/O (GPIO) Port • Remote control and configuration for operation without a local External Host Controller. - I2C (master) message tunneling - GPIO port control • Operating voltages 3.3 V/1.8 V (and 1.2 V for HSIC) • Available in 64-pin QFN package with exposed pad • -40to +125 C junction temperature Conformity • This document applies to hardware revision B2B FIGURE: OS81210 BLOCK DIAGRAM Applications • Automotive infotainment network nodes including head unit, instrument cluster, amplifier, and rear seat entertainment. General Description The OS81210 is a highly integrated Intelligent Network Interface Controller (INIC) for 50 Mbit/s INICnet-based automotive networks with a transformer-less balanced media physical layer (bPHY) optimized for unshielded twisted pair (UTP) copper wire. The INIC provides encapsulation of all low-level functions necessary to develop a network-compliant device, significantly simplifying network implementation in a node. Integration of the INIC Software Stack into the INIC provides network-compliant real-time behavior. The INIC Software Stack significantly relieves the External Host Controller (EHC) from real-time processing tasks. Supervision of the application is also provided, including a protection mode that is entered when an application is not present (i.e. start-up) or the EHC malfunctions. This protection mode prevents application malfunctions from influencing the integrity of the network and the system. When the EHC is engaged, a message-based interface, as opposed to a register-based interface, is available for communication with INIC. A unified and centralized network management software stack (UNICENS) is available for the EHC to build a complete, lean, system solution. The INIC conforms to the ISO 21806 standard developed by the International Organization for Standardization (ISO®). MediaLB Port Streaming Port USB Port SPI






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