KSZ8041NL AM TR Micrel Inc, KSZ8041NL AM TR Datasheet
KSZ8041NL AM TR
Specifications of KSZ8041NL AM TR
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KSZ8041NL AM TR Summary of contents
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... The KSZ8041NL represents a new level of features and Functional Diagram KSZ8041NL MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc. Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • September 2010 KSZ8041NL/RNL 10Base-T/100Base-TX Physical Layer Transceiver Data Sheet Rev ...
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Micrel, Inc. Features • Single-chip 10Base-T/100Base-TX physical layer solution • Fully compliant to IEEE 802.3u Standard • Low power CMOS design, power consumption of <180mW • HP auto MDI/MDI-X for reliable detection and correction for straight-through and crossover cables with ...
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Micrel, Inc. 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 ...
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Micrel, Inc. Contents General Description .............................................................................................................................................................. 1 Functional Diagram............................................................................................................................................................... 1 Features ................................................................................................................................................................................. 2 Applications........................................................................................................................................................................... 2 Ordering Information ............................................................................................................................................................ 2 Revision History.................................................................................................................................................................... 3 List of Figures........................................................................................................................................................................ 7 List of Tables ......................................................................................................................................................................... 8 Pin Configuration – KSZ8041NL .......................................................................................................................................... 9 Pin Description – ...
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Micrel, Inc. Reduced MII (RMII) Data Interface................................................................................................................................... 25 RMII Signal Definition ....................................................................................................................................................... 26 Reference Clock (REF_CLK) ....................................................................................................................................... 26 Transmit Enable (TX_EN) ............................................................................................................................................ 26 Transmit Data [1:0] (TXD[1:0]) ..................................................................................................................................... 26 Carrier Sense/Receive Data Valid (CRS_DV).............................................................................................................. 27 Receive Data [1:0] (RXD[1:0]) ...................................................................................................................................... ...
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Micrel, Inc. Reset Circuit ........................................................................................................................................................................ 51 Reference Circuits for LED Strapping Pins...................................................................................................................... 52 Selection of Isolation Transformer.................................................................................................................................... S election of Reference Crystal .......................................................................................................................................... ackage Information........................................................................................................................................................... September 2010 6 KSZ8041NL/RNL ...
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Micrel, Inc. List of Figures Figure 1. Auto-Negotiation Flow Chart................................................................................................................................. 22 Figure 2. KSZ8041NL RMII Interface................................................................................................................................... 27 Figure 3. KSZ8041RNL RMII Interface ................................................................................................................................ 28 Figure 4. Typical Straight Cable Connection ....................................................................................................................... 29 Figure 5. Typical Crossover Cable Connection ................................................................................................................... 29 ...
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Micrel, Inc. List of Tables Table 1. MII Management Frame Format ............................................................................................................................ 23 Table 2. MII Signal Definition ............................................................................................................................................... 24 Table 3. RMII Signal Description – KSZ8041NL.................................................................................................................. 26 Table 4. RMII Signal Description – KSZ8041RNL ............................................................................................................... 26 Table 5. MDI/MDI-X ...
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Micrel, Inc. Pin Configuration – KSZ8041NL September 2010 ® 32-Pin (5mm x 5mm) MLF 9 KSZ8041NL/RNL M9999-090910-1.4 ...
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Micrel, Inc. Pin Description – KSZ8041NL Pin Number Pin Name Type 1 GND Gnd 2 VDDPLL_1.8 3 VDDA_3.3 4 RX- I/O 5 RX+ I/O 6 TX- I/O 7 TX+ I REFCLK 10 REXT I/O 11 ...
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Micrel, Inc. Pin Description – KSZ8041NL (Continued) Pin Number Pin Name Type 20 RXER / Ipd/O RX_ER / ISO 21 INTRP Opu 22 TXC 23 TXEN / TX_EN 24 TXD0 / TXD[0] 25 TXD1 / TXD[1] 26 TXD2 27 TXD3 ...
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Micrel, Inc. Pin Description – KSZ8041NL (Continued) Pin Number Pin Name Type 30 LED0 / Ipu/O NWAYEN September 2010 (1) Pin Function LED Output: Programmable LED0 Output / Config Mode: Latched as Auto-Negotiation Enable (register 0h, bit 12) during power-up ...
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Micrel, Inc. Pin Description – KSZ8041NL (Continued) Pin Number Pin Name Type 31 LED1 / Ipu/O SPEED 32 RST# I PADDLE GND Gnd Notes Power supply. Gnd = Ground Input Output. I/O = ...
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Micrel, Inc. Strapping Options – KSZ8041NL Pin Number Pin Name Type 15 PHYAD2 Ipd/O 14 PHYAD1 Ipd/O PHYAD0 Ipu CONFIG2 Ipd/O 29 CONFIG1 Ipd/O 28 CONFIG0 Ipd/O 20 ISO Ipd/O 31 SPEED Ipu/O 16 DUPLEX Ipu/O 30 NWAYEN ...
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Micrel, Inc. Pin Configuration – KSZ8041RNL September 2010 ® 32-Pin (5mm x 5mm) MLF 15 KSZ8041NL/RNL M9999-090910-1.4 ...
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Micrel, Inc. Pin Description – KSZ8041RNL Pin Number Pin Name Type 1 GND Gnd 2 VDDPLL_1.8 3 VDDA_3.3 4 RX- I/O 5 RX+ I/O 6 TX- I/O 7 TX+ I REXT I/O 11 MDIO I/O ...
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Micrel, Inc. Pin Description – KSZ8041RNL (Continued) Pin Number Pin Name Type 24 TXD0 25 TXD1 CONFIG0 Ipd/O 29 CONFIG1 Ipd/O 30 LED0 / Ipu/O NWAYEN September 2010 (1) Pin Function (3) I RMII Transmit ...
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Micrel, Inc. Pin Description – KSZ8041RNL (Continued) Pin Number Pin Name Type 31 LED1 / Ipu/O SPEED 32 RST# PADDLE GND Gnd Notes Power supply. Gnd = Ground Input Output. I/O = Bi-directional. ...
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Micrel, Inc. Strapping Options – KSZ8041RNL Pin Number Pin Name Type 15 PHYAD2 14 PHYAD1 13 PHYAD0 18 CONFIG2 29 CONFIG1 28 CONFIG0 20 ISO 31 SPEED 16 DUPLEX 30 NWAYEN Note: 1. Ipu/O = Input with internal pull-up (40K ...
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Micrel, Inc. Functional Description The KSZ8041NL is a single 3.3V supply Fast Ethernet transceiver fully compliant with the IEEE 802.3u Specification. On the media side, the KSZ8041NL supports 10Base-T and 100Base-TX with HP auto MDI/MDI-X for reliable detection ...
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Micrel, Inc. 10Base-T Receive On the receive side, input buffer and level detecting squelch circuits are employed. A differential input receiver circuit and a PLL performs the decoding function. The Manchester-encoded data stream is separated into clock signal and NRZ ...
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Micrel, Inc. Start Auto Negotiation Force Link Setting Yes Bypass Auto Negotiation and Set Link Mode September 2010 N Parallel Operation o Attempt Auto Listen for 100BASE-TX Negotiation Idles Join Flow Link Mode Set ? Yes Link Mode Set Figure ...
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Micrel, Inc. MII Management (MIIM) Interface The KSZ8041NL/RNL supports the IEEE 802.3 MII Management Interface, also known as the Management Data Input / Output (MDIO) Interface. This interface allows upper-layer devices to monitor and control the state of the KSZ8041NL/RNL. ...
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Micrel, Inc. MII Signal Definition (KSZ8041NL only) The Table 2 describes the MII signals. Refer to Clause 22 of the IEEE 802.3 Specification for detailed information. Direction MII (with respect to PHY, Signal Name KSZ8041NL signal) TXC Output TXEN Input ...
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Micrel, Inc. Receive Data Valid (RXDV) RXDV is driven by the PHY to indicate that the PHY is presenting recovered and decoded nibbles on RXD[3:0]. • In 10Mbps mode, RXDV is asserted with the first nibble of the SFD (Start ...
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Micrel, Inc. RMII Signal Definition The Tables 3 and 4 describe the RMII signals for KSZ8041NL and KSZ8041RNL. Refer to RMII Specification for detailed information. Direction RMII (with respect to PHY, Signal Name KSZ8041NL signal) REF_CLK Input TX_EN Input TXD[1:0] ...
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Micrel, Inc. Carrier Sense/Receive Data Valid (CRS_DV) CRS_DV is asserted by the PHY when the receive medium is non-idle asserted asynchronously on detection of carrier. This is when squelch is passed in 10Mbps mode, and when 2 non-contiguous ...
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Micrel, Inc. The KSZ8041RNL RMII pin connections to the MAC are shown in Figure 3. HP Auto MDI/MDI-X HP Auto MDI/MDI-X configuration eliminates the confusion of whether to use a straight cable or a crossover cable between the KSZ8041NL/RNL and ...
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Micrel, Inc. Straight Cable A straight cable connects a MDI device to a MDI-X device MDI-X device to a MDI device. The Figure 4 depicts a typical straight cable connection between a NIC card (MDI) and a switch, ...
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Micrel, Inc. Power Management The KSZ8041NL/RNL offers the following power management modes: Power Saving Mode This mode is used to reduce power consumption when the cable is unplugged effect when auto-negotiation mode is enabled, cable is disconnected, ...
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Micrel, Inc. Reference Circuit for Power and Ground Connections The KSZ8041NL/RNL is a single 3.3V supply device with a built-in 1.8V low noise regulator. The power and ground connections are shown in Figure 8 and Table 6. Ferrite Bead 22uF ...
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Micrel, Inc. Register Map Register Number (Hex) Description 0h Basic Control 1h Basic Status 2h PHY Identifier 1 3h PHY Identifier 2 4h Auto-Negotiation Advertisement 5h Auto-Negotiation Link Partner Ability 6h Auto-Negotiation Expansion 7h Auto-Negotiation Next Page 8h Link Partner ...
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Micrel, Inc. Register Description (Continued) Address Name Description Register 0h – Basic Control 0.9 Restart Auto Restart auto-negotiation process Negotiation 0 = Normal operation. This bit is self-cleared after a ‘1’ is written to it. 0.8 Duplex Mode ...
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Micrel, Inc. Register Description (Continued) Address Name Description Register 2h – PHY Identifier 1 2.15:0 PHY ID Assigned to the 3rd through 18th bits of the Number Organizationally Unique Identifier (OUI). Kendin Communication’s OUI is 0010A1 (hex) Register 3h – ...
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Micrel, Inc. Register Description (Continued) Address Name Description Register 5h – Auto-Negotiation Link Partner Ability 5.15 Next Page 1 = Next page capable next page capability 5.14 Acknowledge 1 = Link code word received from partner 0 ...
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Micrel, Inc. Register Description (Continued) Address Name Description Register 7h – Auto-Negotiation Next Page 7.15 Next Page 1 = Additional next page(s) will follow 0 = Last page 7.14 Reserved 7.13 Message Page 1 = Message page 0 = Unformatted ...
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Micrel, Inc. Register Description (Continued) Address Name Description Register 1Bh – Interrupt Control/Status 1b.15 Jabber 1 = Enable Jabber Interrupt Interrupt 0 = Disable Jabber Interrupt Enable Receive Error 1b. Enable Receive Error Interrupt Interrupt 0 = Disable ...
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Micrel, Inc. Register Description (Continued) Address Name Description Register 1Eh – PHY Control 1 1e:15:14 LED mode [00] = [01] = [10], [11] = Reserved 1e.13 Polarity 0 = Polarity is not reversed 1 = Polarity is reversed 1e.12 Reserved ...
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Micrel, Inc. Register Description (Continued) Address Name Description 1f.10 Power Saving 1 = Enable power saving 0 = Disable power saving If power saving mode is enabled and the cable is disconnected, the RXC clock output (in MII mode) is ...
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Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) ............................................... -0.5V to +2.4V DDPLL_1 ................................... -0.5V to +4.0V DDIO_3.3, DDA_3.3 Input Voltage (all inputs) ............................... -0.5V to +4.0V Output Voltage (all outputs) .......................... -0.5V to +4.0V Lead ...
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Micrel, Inc. Electrical Characteristics Symbol Parameter 10Base-T Transmit (measured differentially after 1:1 transformer) V Peak Differential Output Voltage P Jitter Added Rise/Fall Time r f 10Base-T Receive V Squelch Threshold SQ Notes: 1. Exceeding the absolute maximum ...
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Micrel, Inc. Timing Diagrams MII SQE Timing (10Base-T) Timing Parameter SQE t SQEP September 2010 Figure 9. MII SQE Timing (10Base-T) Description TXC period TXC pulse width low TXC pulse width high COL ...
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Micrel, Inc. MII Transmit Timing (10Base-T) Timing Parameter SU1 t SU2 t HD1 t HD2 t CRS1 t CRS2 September 2010 Figure 10. MII Transmit Timing (10Base-T) Description TXC period TXC pulse width ...
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Micrel, Inc. MII Receive Timing (10Base-T) Timing Parameter RLAT September 2010 Figure 11. MII Receive Timing (10Base-T) Description RXC period RXC pulse width low RXC pulse width high (RXD[3:0], RXER, RXDV) ...
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Micrel, Inc. MII Transmit Timing (100Base-TX) Timing Parameter SU1 t SU2 t HD1 t HD2 t CRS1 t CRS2 September 2010 Figure 12. MII Transmit Timing (100Base-TX) Description TXC period TXC pulse width ...
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Micrel, Inc. MII Receive Timing (100Base-TX) Timing Parameter RLAT September 2010 Figure 13. MII Receive Timing (100Base-TX) Description RXC period RXC pulse width low RXC pulse width high (RXD[3:0], RXER, RXDV) ...
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Micrel, Inc. RMII Timing Timing Parameter t cyc Timing Parameter t cyc September 2010 Figure 14. RMII Timing – Data Received from RMII Figure 15. RMII Timing – ...
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Micrel, Inc. Auto-Negotiation Timing Timing Parameter t BTB t FLPW CTD t CTC Table 14. Auto-Negotiation Fast Link Pulse (FLP) Timing Parameters September 2010 Figure 16. Auto-Negotiation Fast Link Pulse (FLP) Timing Description FLP Burst to FLP ...
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Micrel, Inc. MDC/MDIO Timing Timing Parameter Description t MDC period P t MDIO (PHY input) setup to rising edge of MDC 1MD1 t MDIO (PHY input) hold from rising edge of MDC MD2 t MDIO (PHY output) delay from rising ...
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Micrel, Inc. Reset Timing The KSZ8041NL/RNL reset timing requirement is summarized in the following figure and table. Parameter After the de-assertion of reset recommended to wait a minimum of 100 ...
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Micrel, Inc. Reset Circuit The reset circuit in Figure 19 is recommended for powering up the KSZ8041NL/RNL if reset is triggered by the power supply. The reset circuit in Figure 20 is recommended for applications where reset is driven by ...
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Micrel, Inc. Reference Circuits for LED Strapping Pins The Figure 21 shows the reference circuits for pull-up, float and pull-down on the LED1 and LED0 strapping pins. September 2010 Pull-up KSZ8041NL/RNL LED pin Float KSZ8041NL/RNL LED pin Pull-down KSZ8041NL/RNL LED ...
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Micrel, Inc. Selection of Isolation Transformer A 1:1 isolation transformer is required at the line interface. An isolation transformer with integrated common-mode chokes is recommended for exceeding FCC requirements. The Table 17 gives recommended transformer characteristics. Parameter Turns ratio Open-circuit ...
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Micrel, Inc. Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, ...