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BS ISO 21806-12:2021

BS ISO 21806-12:2021

$189.07

Road vehicles. Media Oriented Systems Transport (MOST) – 50-Mbit/s balanced media physical layer

Published By Publication Date Number of Pages
BSI 2021 46
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This document specifies the 50-Mbit/s balanced media physical layer for MOST (MOST50 bPHY), a synchronous time-division-multiplexing network.

This document specifies the applicable constraints and defines interfaces and parameters, suitable for the development of products based on MOST50 bPHY. Such products include electrical interconnects, integrated receivers, transmitters, electrical to balanced media converters, and balanced media to electrical converters.

This document also establishes basic measurement techniques and actual parameter values for MOST50 bPHY.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
12 4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
13 5 Conventions
6 Physical layer service interface to OSI data link layer
6.1 Overview
6.2 Data type definitions
6.3 Event indications and action requests
6.3.1 P_EVENT.INDICATE
14 6.3.2 P_ACTION.REQUEST
6.4 Parameters
6.4.1 PHY_Event
6.4.2 PHY_Request
15 7 Basic physical layer requirements
7.1 Logic terminology
7.1.1 Single-ended low-voltage digital signals
7.1.2 Differential signals
7.2 SPs
16 7.3 Phase variation
7.3.1 General
7.3.2 Wander
7.3.3 Jitter
17 7.3.4 Clock recovery and reference clock
18 7.3.5 Link quality
20 7.3.6 MOST network quality
23 8 MOST50 bPHY requirements
8.1 General MOST network parameters
8.1.1 MOST network coding
24 8.1.2 Link and interconnect type
8.1.3 SP details
26 8.1.4 Analogue frontend
8.2 Models and measurement methods
8.2.1 Golden PLL
27 8.2.2 Jitter filter
28 8.2.3 Stress pattern
29 9 Link specifications
9.1 General
9.2 SP2
32 9.3 Electrical link requirements
9.3.1 General
9.3.2 Electrical interconnect, length and attenuation
33 9.3.3 Characteristic impedance and return loss (RL)
35 9.4 SP3
36 10 Power-on and power-off
10.1 Frequency reference and power supply
37 10.2 Power supply monitoring circuitry
10.3 Electrical transceiver EBC and BEC
10.3.1 General
10.3.2 BTR requirements
38 10.3.3 EBC requirements
39 10.3.4 EBC power-on and power-off sequence
10.3.5 BEC requirements
41 10.3.6 BEC power-on and power-off sequence
11 MOST network requirements
11.1 SP3 receiver tolerance
42 11.2 TimingMaster delay tolerance
11.3 Environmental considerations and requirements
43 12 Bit rate and frequency tolerance
44 Bibliography

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BS ISO 21806-12:2021
$189.07