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Type C协会标准规范

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Group B-1 Type C connector

and cable assembly

mechanical tests協會標準

Cable pull out

線材吊重40 N Minmum, 線材組裝

需無電性斷開且線材不會

從CONN分離

Cable flex

線材柔軟No loss of continuity

during cycling

在循環操作時不會斷開

4-axis continuity四軸向No discontinuity

greater than 1 us

duration in any of the

four orientation

tested

在四個方向測試無大於

1us的瞬斷

Voltage Drop

壓降250mV for GND and

500mV for Vbus

Group B-2 USB2.0 and low

speed signal tests of Type

C cable and adaptor

assemblies

Type C-C

D+/D- pair attenuation

D+/D- 衰減≧-1.02dB@50MHz

≧-1.43dB@100MHz

≧-2.40dB@200MHz

≧-4.35dB@400MHz

D+/D- pair differential

impedance

D+/D- 衰減差75 ohms to 105 ohms

D+/D- pair Propagation

Delay

D+/D- pair 傳播延遲20 ns max

D+/D- intra-pair Skew

D+/D- 訊號對內的延遲差100 ps max

Coupling between CC and

differential USB D+/D-For cables the limit

is defined with the

vertices of (0.3MHz, -

60.5dB), (1MHz, -

50dB), (10MHz, -30dB),

(16MHz, -26dB), and

(100MHz, -26dB) in

scale of log10(f)

Coupling between VBus and

differential USB D+/D-≦-40dB for 0.3MHz

30MHz, and ≦

19.12log10(f/30)-40(in

dB) for 30MHz

100MHz

Single-ended coupling

between SBU_A and CC,

SBU_B and CCThe limit is defined

with the vertices of

(0.3MHz, -65dB),

(1MHz, -55dB), (18MHz,

-30dB), and (100MHz, -

26dB) in scale of

log10(f)

Single-ended coupling

between CC and D-For USB 2.0 Type C

cables, the singled-

ended couppling

between CC and D-

shall be below the

limits defined with

the vertices of

(0.3MHz, -48.5dB),

(1MHz, -38dB), (10MHz,

-18dB), and (100MHz, -

18dB) in scale of

log11(f)

For USB full featured

type C, the singled-

ended couppling

between CC and D-

shall be below the

limits defined with

the vertices of

(0.3MHz, -58dB),

(10MHz, -27.5dB),

(11.8MHz, -26dB), and

Single-ended coupling

between SBU_A and SBU_BThe limit is defined

with the vertices of

(0.3MHz, -56.5dB),

(1MHz, -46dB), (10MHz,

-26dB), (11.2MHz, -

25dB) and (100MHz, -25dB) in scale of

log10(f)

Single-ended coupling

between SBU_A/SBU_B and

differential USB D+/D-The limit is defined

with the vertices of

(0.3MHz, -80dB),

(30MHz, -40dB) and

(100MHz, -40dB) in

scale of log10(f)

Vbus loop inductance≦ 900 nH

Vbus capacitance8 nF to 500 nF in each

Type C plug

Inductance coupling factor

between Vbus and Other low

speed signal<= 0.3

Rd resistor verificationNA

Rp resistor verificationNA

Group B-3 USB super speed

signal tests of Type C

cable and adaptor

assemblies

Type C-C

Insertion loss Fit at

NyquistFor all USB 3.1 Gen2

super speed pairs:

≧-4 dB at 2.5 GHz

≧-6 dB at 5 GHz

≧-11 dB at 10 GHz

For all USB 3.1 Gen1

super speed pairs:

≧-7 dB at 2.5 GHz

≧-12 dB at 5 GHz

Integrated Muli-reflection

(IMR)≦0.126

ILfitatNq^2+3.024.

ILfitatNq-23.392, in

dB

合集下载

USB Type C 协会规范

USB Type C 协会规范

Release 1.0 - 28 - USB Type-C Cable and

August 11, 2014 Connector Specification

Copyright © 2014 USB 3.0 Promoter Group. All rights reserved. Figure 3-1 USB Type-C Receptacle Interface Dimensions

Release 1.0 - 29 - USB Type-C Cable and

August 11, 2014 Connector Specification

Copyright © 2014 USB 3.0 Promoter Group. All rights reserved. Figure 3-1 USB Type-C Receptacle Interface Dimensions, cont.

Release 1.0 - 30 - USB Type-C Cable and

August 11, 2014 Connector Specification

Copyright © 2014 USB 3.0 Promoter Group. All rights reserved. Figure 3-2 Reference Design USB Type-C Plug External EMC Spring Contact Zones

Release 1.0 - 31 - USB Type-C Cable and

August 11, 2014 Connector Specification

Copyright © 2014 USB 3.0 Promoter Group. All rights reserved. Figure 3-3 USB Full-Featured Type-C Plug Interface Dimensions

MISRA--工业标准的C编程规范

MISRA--工业标准的C编程规范

This page should contain the cover.The Motor Industry Software Reliability AssociationISR

Guidelines

For The Use

Of The

C Language

In Vehicle

Based

Software

April 1998

PDF version 1.0, July 1998

PDF version 1.0© MIRA, 1998

This electronic version of the MISRA C Guidelines is issued solely for the use of member

companies of the MISRA Consortium.

MIRA grants permission for member companies to distribute this PDF file within their own

companies. The file should not be altered in any way, nor should hard copies be made. No

permission is given for use or distribution of this file by or to individuals or companies

who are not members of the MISRA consortium, and any such use constitutes an

infringement of copyright.

MISRA gives no guarantees about the accuracy of the information contained in this PDF

version of the Guidelines, and the published paper document should be taken as authoritative.

typec方案

typec方案

Type-C 方案

概述

Type-C 是一种新型的连接标准和接口，它采用了更小、更快、更多功能的设计，可以在数据传输和电源充电方面提供更好的用户体验。本文将介绍 Type-C 方案的基本原理、技术规范和应用场景。

基本原理

Type-C 接口采用了可插拔设计，它可以同时支持正反两面插入，不再需要区分上下方向。此外，Type-C 接口还支持双向传输，可以同时传输音频、视频和数据，并且支持电源供应。

技术规范

Type-C 接口标准由 USB Implementers Forum（USB-IF）制定，它结合了 USB

3.1、USB Power Delivery（USB PD）和 Alternate Mode 等多种技术标准。具体规范如下：

USB 3.1

USB 3.1 是目前数据传输速度最快的 USB 标准之一，它支持最高 10Gbps 的数据传输速度，比 USB 3.0 提高了两倍。Type-C 接口采用了 USB 3.1 技术，可以实现高速数据传输，满足日常使用中的大容量文件传输需求。 USB PD

USB PD 是一种新的电源交换协议，它使 Type-C 接口能够提供更高的功率输出。传统 USB 接口一般只能提供最多 2.5W 的功率，而 USB PD 可以提供最多 100W 的功率输出，支持快速充电和快速供电。

Alternate Mode

Alternate Mode 是一种 Type-C 接口的附加功能，它允许在 Type-C 接口上实现其他协议或功能。例如，通过 Alternate Mode 可以在 Type-C 接口上输出 HDMI、DisplayPort 或 VGA 信号，实现音视频输出功能。

应用场景

Type-C 方案的广泛应用可以改善用户体验，并提升设备的便携性和充电效率。以下是 Type-C 在各个领域的应用场景：

移动设备

Type-C 接口逐渐成为手机、平板电脑和移动硬盘等移动设备的标配，它可以提供高速数据传输和快速充电功能，方便用户在移动过程中进行数据传输和设备充电。 笔记本电脑

typec母座的标准

typec母座的标准

typec母座的标准

摘要：

1. Type-C 母座的概述

2. Type-C 母座的标准

3. Type-C 母座的应用领域

4. Type-C 母座的未来发展趋势

正文：

【Type-C 母座的概述】

Type-C 母座，又称为 USB Type-C，是一种通用、高速的串行接口标准，用于连接各种电子设备，如电脑、手机、平板电脑、数码相机等。Type-C

母座具有传输速度快、支持正反插拔、体积小、供电能力强等特点，因此广受欢迎。

【Type-C 母座的标准】

Type-C 母座的标准由美国 USB Implementers Forum (USB-IF) 制定。根据 USB 3.1 标准，Type-C 母座的传输速度最高可达 10Gbps，比传统的

USB 2.0 接口速度快约 20 倍。此外，Type-C 母座还支持 USB Power

Delivery (USB PD) 2.0 规范，最大供电功率可达 100 瓦，满足各种设备的充电需求。

【Type-C 母座的应用领域】

随着 Type-C 母座的普及，越来越多的电子设备开始采用这一标准。目前，Type-C 母座广泛应用于智能手机、平板电脑、笔记本电脑、显示器、移动硬盘等领域。由于其支持正反插拔的特性，使得用户在使用过程中更加方便快捷。

【Type-C 母座的未来发展趋势】

随着科技的不断进步，Type-C 母座将继续发挥其优势，拓展更多的应用领域。未来，Type-C 母座有望成为统一所有电子设备接口的标准，实现真正的“一统江湖”。此外，Type-C 母座的传输速度和供电能力也将进一步提升，以满足更多高级应用的需求。

总之，Type-C 母座凭借其优越性能，已成为电子设备连接领域的重要标准。