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QCA8334.pdf

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qca8334 datasheet

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Effective October 1 2012 QUALCOMM Incorporated completed a corporate reorganization in which the assets of certain of its businesses and groups as well as the stock of certain of its direct and indirect subsidiaries were contributed to Qualcomm Technologies Inc QTI a wholly owned subsidiary of QUALCOMM Incorporated that was created for purposes of the reorganization Qualcomm Technology Licensing QTL the Companys patent licensing business continues No use of this website andor d......

Effective October 1, 2012, QUALCOMM Incorporated completed a corporate reorganization in which the assets of certain of its businesses and groups, as well as the stock of certain of its direct and indirect subsidiaries, were contributed to Qualcomm Technologies, Inc. (QTI), a wholly- owned subsidiary of QUALCOMM Incorporated that was created for purposes of the reorganization. Qualcomm Technology Licensing (QTL), the Company’s patent licensing business, continues No use of this website and/or documentation, including but not limited to the downloading of to be operated by QUALCOMM Incorporated, which continues to own the vast majority of the Company’s patent portfolio. Substantially all of the Company’s products and services businesses, including QCT, as well as substantially all of the Company’s engineering, research and development functions, are now operated by QTI and its direct and indirect subsidiaries1. Neither QTI nor any of its subsidiaries has any right, power or authority to grant any licenses or other rights under or to any patents owned by QUALCOMM Incorporated. Q ualco m m Atheros Confidential any software, programs, manuals or other materials of any kind or nature whatsoever, and no purchase or use of any products or services, grants any licenses or other rights, of any kind or nature whatsoever, under or to any patents owned by QUALCOMM Incorporated or any of its subsidiaries. A separate patent license or other similar patent-related agreement from QUALCOMM Incorporated is needed to make, have made, use, sell, import and dispose of any products or services that would infringe any patent owned by QUALCOMM Incorporated in the absence of the grant by QUALCOMM Incorporated of a patent license or other applicable rights under such patent. QUALCOMM Inc., Qualcomm Inc., Qualcomm or similar designation, and which is associated with any of the products or services businesses or the engineering, research or development groups which are now operated by QTI and its direct and indirect subsidiaries, should properly reference, and shall be read to reference, QTI. NOTICE Any copyright notice referencing QUALCOMM Incorporated, Qualcomm Incorporated, 1 The products and services businesses, and the engineering, research and development groups, which are now operated by QTI and its subsidiaries include, but are not limited to, QCT, Qualcomm Mobile & Computing (QMC), Qualcomm Atheros (QCA), Qualcomm Internet Services (QIS), Qualcomm Government Technologies (QGOV), Corporate Research & Development, Qualcomm Corporate Engineering Services (QCES), Office of the Chief Technology Officer (OCTO), Office of the Chief Scientist (OCS), Corporate Technical Advisory Group, Global Market Development (GMD), Global Business Operations (GBO), Qualcomm Ventures, Qualcomm Life (QLife), Quest, Qualcomm Labs (QLabs), Snaptracs/QCS, Firethorn, Qualcomm MEMS Technologies (QMT), Pixtronix, Qualcomm Innovation Center (QuIC), Qualcomm iSkoot, Qualcomm Poole and Xiam. QCA8334 Four-port Gigabit Ethernet Switch Data Sheet 80-Y0619-1 Rev. A October 15, 2012 Q ualco m m Atheros Confidential Restricted Distribution. Not to be distributed to anyone who is not an employee of either Qualcomm or a subsidiary of Qualcomm without the express approval of Qualcomm’s Configuration Management. Not to be used, copied, reproduced in whole or in part, nor its contents revealed in any manner to others without the express written permission of Qualcomm Atheros, Inc. QUALCOMM is a registered trademark of QUALCOMM Incorporated. ATHEROS is a registered trademark of Qualcomm Atheros, Inc. All other registered and unregistered trademarks are the property of QUALCOMM Incorporated, Qualcomm Atheros, Inc., or their respective owners and used with permission. Registered marks owned by QUALCOMM Incorporated and Qualcomm Atheros, Inc. are registered in the United States of America and may be registered in other countries. This technical data may be subject to U.S. and international export, re-export, or transfer (“export”) laws. Diversion contrary to U.S. and international law is strictly prohibited. Confidential and Proprietary – Qualcomm Atheros, Inc. Qualcomm Atheros, Inc. 1700 Technology Drive San Jose, CA 95110-1383 U.S.A. Copyright © 2012 Qualcomm Atheros, Inc. All rights reserved. 1.0 A Revision Date May 14, 2012 Initial release Description Revision history October 15, 2012 System change from SharePoint to Agile based on MKG-17791 Q ualco m m Atheros Confidential 80-Y0619-1 Rev. A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 2 Confidential and Proprietary – Qualcomm Atheros, Inc. 1.1 1.2 3.1 Contents 2 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Pinout diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2.1 2.2 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 System block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Q ualco m m Atheros Confidential 3 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Basic switch function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.1.1 Lookup engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.1.2 Automatic address learning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.1.3 Automatic address aging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.1.4 Flow control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.1.5 ARL table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.1.6 Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.2 QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.2.1 Scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.2.2 Ingress rate limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.2.3 Egress rate limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.2.4 Head-of-line blocking (HOL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.2.5 Egress queue remap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.3 VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.3.1 Port-based VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.3.2 802.1q VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.3.3 VLAN security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.3.4 Port isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.3.5 Leaky VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.3.6 VLAN translation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.3.7 Egress mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.3.8 VLAN table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.4 ACL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.4.1 ACL rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.4.2 Action definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 80-Y0619-1 Rev. A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 3 Confidential and Proprietary – Qualcomm Atheros, Inc. QCA8334 Four-port Gigabit Ethernet Switch Data Sheet Contents 3.5 3.4.3 MAC pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.4.4 IPv4 pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 3.4.5 IPv6 pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.4.6 Window pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.4.7 Enhanced MAC pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 IGMP/MLD snooping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 3.5.1 IEEE 802.3 reserved group addresses filtering control . . . . . . . . . . . . . . . . . . . 52 3.5.2 802.1x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 3.5.3 Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 3.5.4 MAC limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 3.6 Atheros header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 3.6.1 Transmit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 3.6.2 Receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 3.6.3 Header for read/write register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 3.7 MIB/statistics counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 LED control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 3.8 3.9 EEPROM programming format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 3.10 MDC/MDIO access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 3.11 IEEE 802.3az and energy efficient Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.11.1 IEEE 802.3az LPI mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 3.12 Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Q ualco m m Atheros Confidential 4 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 4.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 4.2 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.3 SerDes and SGMII characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.4 4.5 Power-on strapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 4.6 DC electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.6.1 RGMII DC electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.6.2 Power-on-reset timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.7 AC electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.7.1 XTLI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.7.2 MII timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.7.3 RMII timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.7.4 RGMII timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.7.5 SPI timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.7.6 MDIO timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 5 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 5.1 Register address space (offset range: 0x0000–0x0E98) . . . . . . . . . . . . . . . . . . . . . . . . . . 74 5.2 Global control registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 5.2.1 MASK_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 5.2.2 PORT0_PAD_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 80-Y0619-1 Rev. A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 4 Confidential and Proprietary – Qualcomm Atheros, Inc.
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