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SI-50170 数据表(PDF) 3 Page - Micrel Semiconductor |
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SI-50170 数据表(HTML) 3 Page - Micrel Semiconductor |
3 / 54 page Micrel, Inc. KSZ8041NL/RNL September 2010 3 M9999-090910-1.4 Revision History Revision Date Summary of Changes 1.0 10/13/06 Data sheet created. 1.1 4/27/07 Added maximum MDC clock speed. Added 40K +/-30% to note 1 of Pin Description and Strapping Options tables for internal pull-ups/pull- downs. Changed Model Number in Register 3h – PHY Identifier 2. Changed polarity (swapped definition) of DUPLEX strapping pin. Removed DUPLEX strapping pin update to Register 4h – Auto-Negotiation Advertisement bits [8, 6]. Set “Disable power saving” as the default for Register 1Fh bit [10]. Corrected LED1 (pin 31) definition for Activity in LED mode 01. Added Symbol Error to MII/RMII Receive Error description and Register 15h – RXER Counter. Added a 100pF capacitor on REXT (pin 10) in Pin Description table. 1.2 7/18/08 Added Automotive Qualified part number to Ordering Information. Added maximum case temperature. Added thermal resistance ( θ JC). Added chip maximum current consumption. 1.3 12/11/09 Added Automotive Qualified part number, KSZ8041NL EAM, to Ordering Information. Changed MDIO hold time (min) from 10ns to 4ns. Added LED drive current. Renamed Register 3h bits [3:0] to “manufacturer’s revision number” and changed default value to “Indicates silicon revision.” Updated RMII output delay for CRSDV and RXD[1:0] output pins. Added support for Asymmetric PAUSE in register 4h bit [11]. Added control bits for 100Base-TX preamble restore (register 14h bit [7]) and 10Base-T preamble restore (register 14h bit [6]). Changed strapping pin definition for CONFIG[2:0] = 100 from “PCS Loopback” to “MII 100Mbps Preamble Restore.” Corrected MII timing for tRLAT, tCRS1, tCRS2. Added KSZ8041RNL device and updated entire data sheet accordingly. 1.4 01/19/10 Removed part number (KSZ8041NL EAM) from Ordering Information. Removed chip maximum current consumption. |
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