 |
数据搜索系统，热门电子元器件搜索 |
|
|
数据搜索系统，热门电子元器件搜索 |
|
ADIN1100CCPZ-R7 数据表(PDF) 17 Page - Analog Devices |
|
|
|||||||||||||||||||||||||||||
ADIN1100CCPZ-R7 数据表(HTML) 17 Page - Analog Devices |
|
|
17 / 80 page  Data Sheet ADIN1100 THEORY OF OPERATION analog.com Rev. B | 17 of 80 Master/Slave Advertisement On a 10BASE-T1L link, a local node and its remote link partner advertise their role capabilities whether they can operate as master, slave, prefer master, or prefer slave. The ADIN1100 PHY provides the following functions: ► Master/slave configuration advertisement ► Forced master/slave configuration advertisement ► Read link partner master/slave configuration Master/Slave Configuration Advertisement The master/slave configuration register bit (AN_ADV_MST) is used to configure the PHY to advertise its master/slave configuration. Note that this bit is configured after power-up, hardware reset, or software reset based on the MS_SEL configuration pin signal status and can be overridden by software via the MDIO interface. Forced Master/Slave Configuration Advertisement The ADIN1100 PHY can be forced to operate as a master/slave. Forced configuration must be used with caution because a config- uration fault can occur if the link partner is also set in forced mode as a master/slave, resulting in autonegotiation failure. The ADIN1100 can be forced to operate as a master or slave using the force master/slave configuration bit (AN_ADV_FORCE_MS) in the BASE-T1 autonegotiation advertisement register, Bits[15:0] (AN_ADV_ABILITY_L). Read Link Partner Master/Slave Configuration The link partner advertised master/slave setting can be read using the following bits: ► AN_LP_ADV_FORCE_MS: link partner force master/slave con- figuration register bit ► AN_LP_ADV_MST: link partner master/slave configuration regis- ter bit These bits are updated during the autonegotiation process and are valid when the autonegotiation complete register bit (AN_COM- PLETE) is set. Master/Slave Resolution Determination of Master/Slave Configuration On a 10BASE-T1L link, when the local and remote PHYs have the same preferred configuration, for example, both slave or both mas- ter, autonegotiation randomly assigns compatible configurations to the local and remote PHYs. When one PHY has a forced configura- tion, its master/slave configuration is given priority over a PHY with a preferred setting. Master/Slave Configuration Resolution The ADIN1100 master/slave configuration defined by the autonego- tiation can be checked using the master/slave resolution result register bits (AN_MS_CONFIG_RSLTN). The bits indicate if the PHY is configured as master or slave or if there was a configuration fault. These bits are updated during the autonegotiation process and are valid when the autonegotiation complete register bit (AN_COM- PLETE) is set. Table 12. Determination of Master/Slave by Autonegotiation Local1 Remote1 Local Remote AN_ADV_FORCE_MS AN_ADV_MST AN_LP_ADV_FORCE_MS AN_LP_ADV_MST Master/Slave Resolution 0 0 0 0 Master/slave Slave/master 0 0 0 1 Slave Master 0 1 0 0 Master Slave 0 1 0 1 Master/slave Slave/master 0 X 1 0 Master Slave 0 X 1 1 Slave Master 1 0 0 X Slave Master 1 1 0 X Master Slave 1 0 1 0 Configuration fault Configuration fault 1 0 1 1 Slave Master 1 1 1 0 Master Slave 1 1 1 1 Configuration fault Configuration fault 1 X means don't care. |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
