KS8721SL-EVAL Micrel Inc, KS8721SL-EVAL Datasheet
KS8721SL-EVAL
Specifications of KS8721SL-EVAL
Related parts for KS8721SL-EVAL
KS8721SL-EVAL Summary of contents
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... Pin SSOP and LQFP KS8721BL is a drop in replacement for the KS8721BT in the same footprint. KS8721SL is a drop in replacement for the KS8721B in the same footprint. Operating at 2.5 volts to meet low voltage and low power requirements, the KS8721BL/SL are a 10BaseT/100BaseTX/FX Physical Layer Transceiver, which provides an MII to transmit and receive data ...
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... RXER/ISO 12 GND VDDC 13 14 TXER 15 TXC/REF_CLK 16 TXEN TXD0 17 18 TXD1 19 TXD2 20 TXD3 21 COL/RMII CRS/RMII_BTB 22 23 GND 24 VDDIO Top View SSOP 48 VDDPLL KS8721SL VDDRCV FXSD/FXEN LED3/NWAYEN LED2/DUPLEX LED1/SPD100 LED0/TEST INT#/PHYAD0 - 2 - KS8721BL/SL Preliminary Rev 0.90 RST GND 44 GND 43 VDDTX 42 TX GND 38 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver LQFP INOUT 1 MDIO MDC 2 RXD3/PHYAD1 3 4 RXD2/PHYAD2 RXD1/PHYAD3 5 RXD0/PHYAD4 6 7 VDDIO GND 8 9 RXDV/PCS_LPBK RXC 10 11 RXER/ISO 12 GND Top View ...
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... EVISION Revision Date Change 0.90 8/22/ RDERING NFORMATION Part Number Package Type KS8721SL 48 Pin SSOP KS8721BL 48 Pin LQFP KS8721BL-EVAL N/A H ISTORY Document Origination (Preliminary) Single 3.3V Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver – Commercial Temperature Single 3.3V Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver – ...
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TX+ Transmitter Pulse TX- Shaper Adaptive EQ Base Line RX+ Wander Correction RX- MLT3 Decoder NRZI/NRZ 10BaseT Receiver XI PLL XO 4B/5B Encoder NRZ/NRZI Scrambler MLT3 Encoder Parallel/Serial Parallel/Serial Manchester Encoder 4B/5B Decoder Clock Descrambler Recovery Serial/Parallel Auto Negotiation ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver ESCRIPTIONS Signal Pin I/O Name No. MDIO 1 I/O MDC 2 I RXD3 / 3 Ipd/O MII Receive Data Output PHYAD1 RXD2 / 4 Ipd/O MII Receive ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) RXER / ISO 11 Ipd/O MII Receive Error Output GND 12 Gnd VDDC 13 Pwr TXER 14 Ipd TXC / 15 I/O REFCLK TXEN 16 Ipd TXD0 17 Ipd TXD1 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) LED2 / 28 Ipu/O DUPLEX LED3 / 29 Ipu/O NWAYEN PD# 30 Ipu VDDRX 31 Pwr RX RX FXSD / 34 Ipd/O Fiber Mode Enable / ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) VDDTX 42 Pwr GND 43 Gnd GND 44 Gnd VDDPLL 47 Pwr RST# 48 Ipu Note: Pwr = power supply; Gnd = ground; I ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver TRAPPING PTIONS Pin Signal Name I/O No. PHYAD[4:1] / 6,5, Ipd/O RXD[0:3] 4,3 PHYAD0/ 25 Ipu/O INT# PCS_LPBK / 9 Ipd/O Enables PCS_LPBK mode at power-up / reset. ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver EGISTER AP Register No 15h 1bh 1fh Note: RW: Read/Write, RO: Read Only, SC: Self Clear, LH: Latch High, ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 0.11 Power Down 0.10 Isolate 0.9 Restart Auto- Negotiation 0.8 Duplex Mode 0.7 Collision Test 0.6:1 Reserved 0.0 Disable Transmitter Register 1h – Basic Status 1.15 100BaseT4 1.14 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 1.6 No Preamble 1.5 Auto- Negotiation Complete 1.4 Remote Fault 1.3 Auto- Negotiation Ability 1.2 Link Status 1.1 Jabber Detect 1.0 Extended Capability Register 2h – PHY Identifier ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name Register 4h – Auto-Negotiation Advertisement 4.15 Next Page 4.14 Reserved 4.13 Remote Fault 4. Reserved 4.10 Pause 4.9 100BaseT4 4.8 100BaseTX Full Duplex 4.7 100BaseTX 4.6 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 5.11:10 Pause 5.9 100 BaseT4 5.8 100BaseTX Full Duplex 5.7 100BaseTX 5.6 10BaseT Full Duplex 5.5 10BaseT 5.4:0 Selector Field Register 6h – Auto-Negotiation Expansion 6.15:5 Reserved 6.4 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 6.1 Page Received 6.0 Link Partner Auto- Negotiation Able Register 7h – Auto-Negotiation Next Page 7.15 Next Page 7.14 Reserved 7.13 Message Page 7.12 Acknowledge 2 7.11 Toggle ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 8.11 Toggle 8.10:0 Message Field Register 15h – RXER Counter 15.15:0 RXER Counter Register 1bh – Interrupt Control/Status Register 1b.15 Jabber Interrupt Enable 1b.14 Receive Error Interrupt Enable ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 1b.9 Remote Fault Interrupt Enable 1b.8 Link Up Interrupt Enable 1b.7 Jabber Interrupt 1b.6 Receive Error Interrupt 1b.5 Page Receive Interrupt 1b.4 Parallel Detect Fault Interrupt 1b.3 Link ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Address Name 1f.12 Energy detect 1f.11 Force link 1f.10 Power Saving 1f.9 Interrupt Level 1f.8 Enable Jabber 1f.7 Auto- Negotiation Complete 1f.6 Enable Pause (Flow- Control Result) 1f.5 PHY Isolate ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver ELECTION OF SOLATION One simple 1:1 isolation transformer is needed at the line interface. An isolation transformer with integrated common-mode choke is recommended for exceeding FCC requirements. The ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver UNCTIONAL ESCRIPTION 100BaseTX Transmit The 100BaseTX transmit function performs parallel to serial conversion, NRZ to NRZI conversion, MLT-3 encoding and transmission. The circuitry starts with a parallel to ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) PLL Clock Synthesizer The KS8721BL/SL generates 125 and clocks for system timing. An internal crystal oscillator circuit provides the reference clock for ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Auto-negotiation The KS8721BL/SL performs auto-negotiation by hardware strapping option (pin 29) or software (Register 0.12). It will automatically choose its mode of operation by advertising its abilities and comparing them ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) KS8721BL/SL assigned an MII address between 0 and 31 by the PHYAD inputs. An internal addressable set of fourteen 16-bit MDIO registers. Register [0:6] are required and their functions are ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) For 100BaseTX link with the MII in 4B mode, RXDV is asserted from the first nibble of the preamble to the last nibble of the data packet. For 10BaseT links, ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) RMII Signal Definition Direction Signal (with respect Name to the PHY) REF_CLK Input CRS_DV Output RXD[1:0] Output TX_EN Input TXD[1:0] Input RX_ER Output Note: Unused MII signals, TXD[3:2], TXER need ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Receive Data [1:0] (RXD[1:0]) RXD[1:0] shall transition synchronously to REF_CLK. For each clock period in which CRS_DV is asserted, RXD[1:0] transfers two bits of recovered data from the PHY. In ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) RX_ER The PHY shall provide RX_ER as an output according to the rules specified in IEEE 802.3u [2] (see Clause 24, Figure 24-11 - Receive State Diagram). RX_ER shall be ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Auto Crossover (Auto MDI/MDI-X) Automatic MDI/MDI-X configuration is intended to eliminate the need for crossover cables between similar devices. The assignment of pin-outs for a 10/100 BASE-T crossover function cable ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Power Management The KS8721BL/SL offers the following modes for power management: Power Down Mode: This mode can be achieved by writing to Register 0.11 or pulling pin 30 PD# Low. ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Media converter operation KS8721BL/SL is capable of performing media conversion with 2 parts in a back-to-back RMII mode as indicated in the diagram. Both parts are in RMII mode and ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Circuit Design Reference for Power Supply Micrel’s integrated LDO technology, and thoughtful implementation allows the user to save BOM cost on both existing and future designs with the use of ...
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... Supply Referenced to GND: All Pins Recommended Operating Conditions Parameter Supply Voltages Ambient Operating Temperature Commercial Ambient Operating Temperature Industrial Themal Data Thermal Resistance, ( /W) - Velocity 0 (m/s) KS8721BL 83.56 KS8721SL 42. °C to 150 ° 5.0 V Sym Min Typ VDDPLL, VDDTX, VDDRXC, 2.5 VDDRCV, VDDC VDDIO 3 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Electrical Characteristics ( 3.3 V +/- 10%) Parameter Total Supply Current (including TX output driver current) Normal 100BaseTX Normal 10BaseT (Independent of utilization) Power Saving mode 1 Power ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) 100BaseTX Receive RX+/RX- Differential Input Resistance Propagation Delay 100BaseTX Transmit (measured differentially after 1:1 transformer) Peak Differential Output Voltage Output Voltage Imbalance Rise/Fall time Rise/Fall time Imbalance 100BaseTX Transmit (measured ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) 10BaseT Transmit (measured differentially after 1:1 transformer) Peak Differential Output Voltage Jitters Added Rise/Fall time Clock Outputs Crystal Oscillator Receive Clock, 100TX Receive Clock, 10T Receive Clock jitters Transmit Clock, ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) 10BaseT MII Transmit Timing TXC t TXEN SU2 TXD[3:0] t SU1 CRS TXP/TXM SQE Timing TXC TXEN COL t TXD[3:0] Setup to TXC High SU1 t TXEN Setup to TXC ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) 100BaseTX MII Transmit Timing TXC t SU2 TXEN t SU1 TXD[3:0], Data TXER In CRS TX+/TX- t TXD[3:0] Setup to TXC High SU1 t TX_ER Setup to TXC High SU2 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) 100BaseTX MII Receive Timing Start of RX+/RX- Stream t CRS1 CRS RXDV RXD[3:0] RXER RXC t RXC period P t RXC pulse width WL t RXC pulse width WH t ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Auto Negotiation / Fast Link Pulse Timing TX+/TX- TX+/TX- t FLP burst to FLP burst BTB t FLP burst width FLPW t Clock/Data pulse width PW t Clock pulse to ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Serial Management Interface Timing MDC t MD1 MDIO (Into Chip) MDIO (Out of Chip) t MDC period P t MDIO Setup to MDC (MDIO as input) MD1 t MDIO Hold ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver) Reset Timing Supply Voltage RST_N Strap-In Value Strap-In / Output Pin Parameter Description t Stable supply voltages to sr reset high t Configuration setup time cs t Configuration hold time ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver SSOP P IN ACKAGE O UTLINE - 43 - KS8721BL/SL Preliminary Rev 0.90 Aug, 2003 ...
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KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver LQFP P IN ACKAGE O UTLINE - 44 - KS8721BL/SL Preliminary Rev 0.90 Aug, 2003 ...
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... A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser's own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. HTTP://WWW.MICREL.COM WEB 2003 Micrel Incorporated - 45 - KS8721BL/SL Preliminary Rev 0.90 Aug, 2003 ...