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RC7222-A2 の電気的特性と機能
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RC7222-A2のメーカーはRAYCOMです、この部品の機能は「Multifunction Ethernet converter」です。 |
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製品の詳細 ( Datasheet PDF )
| 部品番号 RC7222-A2 |
| 部品説明 Multifunction Ethernet converter |
| メーカ RAYCOM |
ロゴ |
このページの下部にプレビューとRC7222-A2ダウンロード（pdfファイル）リンクがあります。 Total 30 pages |
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RC7222-A2
多功能以太网转换器
用户手册
V2.11
2010.07
版权声明
本文档的全部版权归润光泰力公司所有，内容如有变更恕不另行通知。文中内容适于本公司雇员、代理商以及客
户在使用相关产品时阅读。未经本公司书面允许，禁止任何团体和个人拷贝、翻印本文档。
1 Page
RC7222-A2 用户手册 V2.11
3.修改通过 I2C 接口访问 PHY 的指令
注意：V2.10 以上版本适用于 RC7222-A2 芯片
V2.10
1.增加 SSI 接口描述；
2010-07-01 2.增加 GFP 封装描述；
V2.11
2010-07-20 1. 章节整理，文字错误整理；
Page 3
目录
1.概述........................................................................................................................................................ 7
2.特点........................................................................................................................................................ 7
3.管脚描述................................................................................................................................................ 9
3.1 管脚排列图.................................................................................................................................... 9
3.2 管脚描述........................................................................................................................................ 9
4.功能模块描述...................................................................................................................................... 19
4.1 功能框图...................................................................................................................................... 19
4.2 WAN 接口.....................................................................................................................................20
4.2.1 WAN 接口的管脚复用..........................................................................................................20
4.2.2SSI 接口................................................................................................................................. 21
4.2.3 E1 接口..................................................................................................................................22
4.2.4 WAN 接口的环回..................................................................................................................23
4.2.5 WAN 接口发送定时..............................................................................................................27
4.2.6 防止以太网数据环回........................................................................................................... 27
4.3 时隙分配...................................................................................................................................... 28
4.4 MII 接口处理................................................................................................................................ 31
4.4.1 MII 接口................................................................................................................................. 31
4.4.2 MDIO 接口............................................................................................................................ 32
4.4.3 MAC 工作模式......................................................................................................................33
4.5 数据封装...................................................................................................................................... 35
4.5.1 HDLC 封装............................................................................................................................35
4.5.2 GFP 封装.............................................................................................................................. 36
4.5.3 用户自定义管理帧................................................................................................................ 38
4.6 SDRAM 接口................................................................................................................................42
4.6.1 SDRAM 管脚........................................................................................................................ 42
4.6.2 缓存容量选择.......................................................................................................................43
4.6.3 帧统计功能...........................................................................................................................44
4.7 SA 比特应用.................................................................................................................................46
4.8 测试功能...................................................................................................................................... 48
4.8.1 SDRAM 测试........................................................................................................................ 48
润光泰力
TEL: +86-10-80106100
FAX: +86-10-89719741 http://www.raycom.com.cn
3Pages
RC7222-A2 用户手册 V2.11
Page 6
图 7-4-3-1 SSI 接口时序.................................................................................................................... 86
图 7-4-4-1 串行配置接口时序............................................................................................................ 87
图 8-1 RC7222-A2 封装图................................................................................................................. 88
表索引
表 3-2-1 RC7222-A1RC7222-A2 管脚说明（按管脚序号排列）............................................... 11
表 4-2-1-1 WAN 接口的复用管脚说明..............................................................................................21
表 4-2-1-2-1 WAN 接口告警.............................................................................................................. 22
表 4-2-4-1 WAN 接口环回控制方式..................................................................................................24
表 4-4-3-1 以太网接口工作模式配置................................................................................................ 35
表 4-5-2-1 GFP 字段说明...................................................................................................................37
表 4-5-2-2 线形扩展头字段说明........................................................................................................ 38
表 4-5-2-3 UPI 说明............................................................................................................................ 38
表 4-5-3-1 用户自定义管理帧发送接收............................................................................................ 42
表 4-7-1 SA 比特通道使用方式............................................................................................................ 47
表 4-8-3-1 测试指示灯状态................................................................................................................ 50
表 5-3-1 UART 查询指令帧和配置指令帧格式..............................................................................54
表 5-3-2 UART 应答帧格式..............................................................................................................54
表 5-3-3 UART 查询和配置指令帧..................................................................................................54
表 5-3-4 UART 应答帧......................................................................................................................55
表 5-4-1 I2C 查询指令帧和配置指令帧格式.................................................................................. 56
表 5-4-2 I2C 写寄存器操作................................................................................................................ 57
表 5-4-3 I2C 读寄存器操作................................................................................................................ 57
表 5-5-1-1 MIB 寄存器(Page00)....................................................................................................... 59
表 5-5-2-1 GFP 发送管理帧寄存器(Page10).................................................................................. 73
润光泰力
TEL: +86-10-80106100
FAX: +86-10-89719741 http://www.raycom.com.cn
6 Page
合計 : 30 ページ |
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データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
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| 部品番号 | 部品説明 | メーカ |
| RC7222-A1 | Multi-Functional Ethernet Converter | RAYCOM |
| RC7222-A2 | Multifunction Ethernet converter | RAYCOM |