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PDF OS81082 Data sheet ( Hoja de datos )

Número de pieza OS81082
Descripción Network Interface Controller
Fabricantes SMSC 
Logotipo SMSC Logotipo



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OS81082 INIC50 ePHY
Intelligent Network Interface Controller for MOST
Features
„ Complete MOST® Network interface on a single chip
„ Fully encapsulated
„ Optimized for a 50 Mbps electrical physical interface (UTP)
„ Embedded MOST Network management
„ Network protected mode
„ Hardware & application watchdog timer
„ Intelligent muting
„ Media Local Bus (MediaLB®) serial port
„ Supports all MOST data types:
- Synchronous data streaming
- 1 kByte packet data support
- FIFO-based control data support
„ Eases inter-chip communication and streaming
„ PCM streaming ports alternatively usable as I²S streaming
port
„ I²C control port
„ Dedicated application reset output
„ Operating voltages 3.3/2.5 V
(3.3 V to 2.5 V regulation with one external pass transistor)
„ 64-pin package
„ Temperature range -40 °C … +95 °C
Description
The OS81082 INIC is a highly integrated Intelligent Network
Interface Controller (INIC) for the 50 Mbit/s MOST Network
(MOST50). The integrated electrical physical layer (ePHY) signal
conditioning circuitry offers differential I/O that directly interfaces
to a passive ePHY transformer. This enables MOST data transmis-
sion via unshielded twisted pair (UTP) cable.
The INIC provides full encapsulation of all functions necessary to
develop a MOST compliant device. It allows an easy implementa-
tion of MOST into a device.
The INIC also provides supervision of the application, and a
protected mode is entered during malfunction or absence of an
application (i.e., start-up). This protected mode prevents applica-
tion malfunctions from influencing the integrity of the network
and the system.
The INIC includes the MOST NetServices stack’s MiniKernel, thus
providing MOST compliant real time behavior. This significantly
relieves the External Host Controller (EHC) from realtime
processing tasks.
D
Ordering Information
The OS81082 INIC50 ePHY is available
as:
OS81082 INIC Engineering Sample
Order No. B10178
OS81082 INIC Tape & Reel
Order No. B10179
www.smsc-ais.com

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