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MOST Network Services Layer 1 API
Command Interpreter (MCI)
Address Handler Service
(AHS)
NetworkMaster
FBlock (NM)
NetworkMaster
Shadow FBlock
(NMS)
Enhanced-
Testabilty FBlock
(ET)
Notification Service
(MNTFS)
G
MOST Solution
MOST IP
Object Layer
Config
Registers
Receive
Buffer
Transfer Layer
Transmit
Media
Access
Control
Receive
Media
Access
Control
32 bit
OPB or
PLBv46
Bus
User Interface (UI)
Routing Control
Transmit
Buffer
Local Link
RX
Streaming
Port
Local Link
TX
Streaming
Port
FOT
FOR
TX
MCLK
Bypass
RCLK
RX
IDT PLL Clock Generation/Recovery and Network Bypass
MOST Ring
Layer 7 Application
Application
HLP’s (Software Download, Diagnostics, etc)
FBlocks
Layer 6 Presentation
Layer 5 Session
Layer 4 Transport
Layer 3 Network
Layer 2 Data Link
Layer 1 Physical
NetBlock FBlock
(NB)
Control Message Service (CMS)
Supervisor L2
(MSV2)
Power Master (PM)
Low-Level Driver
Network Interface Controller Abstraction
MOST Network Interface Controller
Optical/electrical converters,connectors and optical fiber
MOST IP Specifics
Supported XA Device Families Spartan-3, Spartan-3E,Spartan-3A,Spartan-3A DSP
I/O LUTs FFs Block RAMs Slices*
Resources Used 7 4049-4117 2535-2580 6 2930-2990
Network Service
L2 (NSV2)
Application
Message Service
(AMS)
Streaming Data
Control Service
(SCS)
Remote Access
Service (RAS)
Streaming Data Interface
Control (SIC)
Packet Service (PKS)
Transceiver
Control Service
(XCS)
Optical
Interface Control
(OIC)
Network
Service L1
(NSV)
Supervisor L1
(MSV)
ear-seat
p based on
sor (DSP)
A acts as
functions,
aphics
rking
options
nx solution
Controller
rchitectures.
ot constrained
, but can be
overall system
utilizing
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ifferent
The LogiCORE IP for the Media Oriented Systems Transport (MOST) is a complete
NIC supporting the MOST Specification revision 2.4 or later for the MOST25
network. Capabilities include:
• Compatible with SMSC 8104(A), OS8105x (INIC) and Analog Devices
MXVR transceivers
• Direct interface to MOST ring via IDT PLL (IDT5V80001) for clock
generation/recovery and the fiber optic transceiver (FOT)
• Operates in both master and slave modes
• Synchronous, asynchronous, and control channels with 4-60 bytes of
synchronous data per frame including support of up to full bandwidth
sustained transfers (24 Mbps)
• Streaming port allows synchronous data co-processing with low host
controller overhead
• Full support of error and status notification including support for ring break
diagnosis test
• Supported in CORE Generator
™
software for stand alone applications and in
EDK for MicroBlaze-based ECU applications
Working closely with Mocean Laboratories AB, and the MOST Cooperation, Xilinx
enables a portable and highly modular MOST solution where applications can
be moved between NICs without source code modification. The MOST solution
is comprised of:
• Full software stack (up to MOST Specification revision 2.5) supporting Xilinx
solution for MOST
• Versions also available supporting SMSC OS8104(A) and OS8105x (INIC)
for MicroBlaze processor
• All services and protocols standardized in the MOST Cooperation are supported
• MOST Cooperation and several OEM FBlocks and High-level Protocol Modules
available including source code
• Fully linked/structured electronic documentation
• ANSI-C Source code with automated documentation generation
• Browse documentation using Service, Module, Function or Variable views
• Application examples library available as source code
* Represent typical slice count for Spartan-3 generation devices.Results will vary on device utilization and ISE options
Control
Processing
MOST Network Services Layer 2 API
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