Manuel d'utilisation / d'entretien du produit RMII 10/100 du fabricant SMSC
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SMSC LAN8710/LAN8710i Revision 1.0 (04-15-09) DA T ASHEET Datasheet PRODUCT FEA TURES LAN8710/LAN8710i MII/RMII 10/100 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T echnology in a Small Foo.
ORDER NUMBER(S): LAN8710A-EZK FOR 32-PIN, QFN LEAD-FREE ROHS COMPLIANT P AC KAGE (0 TO +85°C TEMP) LAN8710Ai-EZK FOR 32-PIN, QFN LEA D-FREE RO HS COMPLIANT P ACKAGE (-40 T O +85°C TEMP) LAN8710A-EZK.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 3 Revision 1.0 (04-15-09) DA T ASHEET T able of Contents Chapter 1 Introduction . . . . . . . . . . . . . . . .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 4 SMSC LAN8710/LAN8710i DA T ASHEET 4.7.1 Parallel Detection . . . . . . . . . . . . . . . . . . . . . . . . . .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 5 Revision 1.0 (04-15-09) DA T ASHEET 8.1.3 Twisted-Pair Interface Diagram . . . . . . . . . . . . . . . . . . .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 6 SMSC LAN8710/LAN8710i DA T ASHEET List of Figures Figure 1.1 LAN8710/LAN8710i System Block Diagram . . . . . .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 7 Revision 1.0 (04-15-09) DA T ASHEET List of T ables Table 2.1 LAN8710/L AN8 71 0i 32 -P IN QFN Pinout . . . .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 8 SMSC LAN8710/LAN8710i DA T ASHEET Table 6.1 SMI Timing Values . . . . . . . . . . . . . . . . . . . . . . . .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 9 Revision 1.0 (04-15-09) DA T ASHEET Chapter 1 Introduction 1.1 General T erms and Conventions The following is list o f the general terms used in this docume nt: 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 10 SMSC LAN8710/LAN8710i DA T ASHEET 1.3 Architectural Overview The LAN8710/LAN871 0i is compliant with IEEE 802.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 1 1 Revision 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 12 SMSC LAN8710/LAN8710i DA T ASHEET Chapter 2 Pin Configuration 2.1 Package Pin-out Di agram and Signal T able Figure 2.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 13 Revision 1.0 (04-15-09) DA T ASHEET T able 2.1 LAN8710/LA N871 0i 32-PIN QFN Pinout PIN NO. PIN NAME PIN NO.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 14 SMSC LAN8710/LAN8710i DA T ASHEET Chapter 3 Pin Description This chapter describes the signals on each pin.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 15 Revision 1.0 (04-15-09) DA T ASHEET TXD2 24 I8 Tr a n s m i t D a ta 2 : The MAC transmits data to the transceiver using thi s signal in MII Mode.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 16 SMSC LAN8710/LAN8710i DA T ASHEET 3.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 17 Revision 1.0 (04-15-09) DA T ASHEET 3.3 Management Signals 3.4 General Signals 3.5 10/100 Line Interface Signals LED2/ nINTSEL 2I O P U LED2 – Li nk S peed LED Indication.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 18 SMSC LAN8710/LAN8710i DA T ASHEET 3.6 Analog Reference 3.7 Power Signals TXN 28 AIO T ransmit/Receiv e Negative Channel 1 .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 19 Revision 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 20 SMSC LAN8710/LAN8710i DA T ASHEET 4.2.2 4B/5B Encoding The transmit data passes from the MII block to th e 4B/5B encoder .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 21 Revision 1.0 (04-15-09) DA T ASHEET 4.2.3 Scrambling Repeated data patterns (especially the IDLE code-grou p) can have power spectral den sities with large narrow-band peaks.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 22 SMSC LAN8710/LAN8710i DA T ASHEET 4.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 23 Revision 1.0 (04-15-09) DA T ASHEET 4.3.3 NRZI and ML T -3 Decoding The DSP generates the ML T -3 recovered levels that are fed to th e ML T -3 converter .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 24 SMSC LAN8710/LAN8710i DA T ASHEET Figure 4.3 Relatio nship Between Recei ved Data and Specific MII Signals 4.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 25 Revision 1.0 (04-15-09) DA T ASHEET In order to comply with legacy 10Ba se-T MAC/Controllers, in Half-duplex mode th e transceiver loops back the transmitted data, on the receive path.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 26 SMSC LAN8710/LAN8710i DA T ASHEET 4.5.3 10M Receive Dat a Across the MII/RMII Interface For MII, the 4 bit data nibbles are sent to the MII block.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 27 Revision 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 28 SMSC LAN8710/LAN8710i DA T ASHEET Note 4.1 In RMII mode, this pin needs to ti ed to VSS. Note 4.2 The RXER signal is optional on the RMII bus.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 29 Revision 1.0 (04-15-09) DA T ASHEET The auto-negotiation pro toco l is a p urely physical layer activity and proceeds inde pendently of the MAC controller .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 30 SMSC LAN8710/LAN8710i DA T ASHEET Writing register 4 bits [8:5] allows software control of the capabilities advertised by the transce iver .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 31 Revision 1.0 (04-15-09) DA T ASHEET The internal logic o f the device detects the TX and RX pins of the connecting device.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 32 SMSC LAN8710/LAN8710i DA T ASHEET 4.10 nINTSEL S trapping and LED Polarity Selecti on The nINT , TXER, and TXD4 functions share a comm on pin.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 33 Revision 1.0 (04-15-09) DA T ASHEET 4.12 PHY Address S trapping The PHY ADDRESS bit s are latched in to an internal register at th e end of a hardware reset.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 34 SMSC LAN8710/LAN8710i DA T ASHEET applications and in producti on testing, where the sa me reg ister can be written in all the transceivers using a single write transaction.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and f lexPWR ® T echnology in a Sm all Footprint Datasheet Revision 1.0 (04-15-09) 35 SMSC LAN8710/LAN8710i DA T ASHEET Chapter 5 SMI Register Mapping T able 5.
SMSC LAN8710/LAN8710i 36 Revision 1.0 (04-15-09) DA T ASHEET MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and f lexPWR ® T echnology in a Sm all Footprint Datasheet T able 5.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and f lexPWR ® T echnology in a Sm all Footprint Datasheet Revision 1.0 (04-15-09) 37 SMSC LAN8710/LAN8710i DA T ASHEET RSVD = Reserved T abl e 5.
SMSC LAN8710/LAN8710i 38 Revision 1.0 (04-15-09) DA T ASHEET MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and f lexPWR ® T echnology in a Sm all Footprint Datasheet T able 5.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 39 Revision 1.0 (04-15-09) DA T ASHEET The following registers a re supported (registe r numbers are in decima l): 5.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 40 SMSC LAN8710/LAN8710i DA T ASHEET T able 5.21 Regis te r 0 - Ba sic Control ADDRESS NAME DESCRIPTION MODE DEFAULT 0.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 41 Revision 1.0 (04-15-09) DA T ASHEET 1.4 Remote Faul t 1 = remote fault condition detected 0 = no remote fault RO/ LH 0 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 42 SMSC LAN8710/LAN8710i DA T ASHEET 4.9 100Base-T4 1 = T4 able, 0 = no T4 ability This Phy does not support 100Base-T4.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 43 Revision 1.0 (04-15-09) DA T ASHEET T able 5.27 Register 6 - Auto Negotiation Expansion ADDRESS NAME DESCRIPT IO N MODE DEFAULT 6.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 44 SMSC LAN8710/LAN8710i DA T ASHEET 17.6 AL TINT Alternate Interrupt Mode. 0 = Primary interrupt syst em enabled (Default).
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 45 Revision 1.0 (04-15-09) DA T ASHEET T abl e 5.3 2 Register 2 7 - Speci al Control/St atus Indications ADDRESS NAME DESCRIPTION MODE DEFAULT 27.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 46 SMSC LAN8710/LAN8710i DA T ASHEET 29.1 INT1 1 = Auto-Negotiation Page Re ceived 0 = not source of interrupt RO/ LH X 29.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 47 Revision 1.0 (04-15-09) DA T ASHEET 5.2 Interrupt Management The Management interface supports an interrupt cap ability that is not a pa rt of the IEEE 802.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 48 SMSC LAN8710/LAN8710i DA T ASHEET Note: The ENERGYON bit 17.1 is defau lted to a ‘1’ at the start of the signal a cquisition process, therefore the Interrupt source fl ag 29.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 49 Revision 1.0 (04-15-09) DA T ASHEET in repeater mode or full -duplex mode. Otherwise th e transceiver asserts CRS based on either transmit or receive activity .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 50 SMSC LAN8710/LAN8710i DA T ASHEET 5.3.5.1 General Power-Down This power-down is controlled by register 0, bit 1 1.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 51 Revision 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 52 SMSC LAN8710/LAN8710i DA T ASHEET 5.3.8.3 Connector Loopback The LAN8710/LAN871 0i maintains reliable transmissi on over very short cables, and can be tested in a connector loopba ck as shown in Figure 5.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 53 Revision 1.0 (04-15-09) DA T ASHEET 5.3.9.2 M ode Bus – MODE[2:0] The MODE[2:0] bus controls the configuration of the 10/100 digit al block.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 54 SMSC LAN8710/LAN8710i DA T ASHEET When the nRST pin is deasserted, the register bit 18.14 (MIIMODE) is loaded according to the RXD2/RMIISEL pin.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 55 Revision 1.0 (04-15-09) DA T ASHEET Chapter 6 AC Electrical Characteristics The timing dia grams and limits in this section define th e requirements placed on the external signals of the Phy .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 56 SMSC LAN8710/LAN8710i DA T ASHEET 6.2 MII 10/100Base-TX/RX T imings 6.2.1 MII 100Base- T TX/RX Timings 6.2.1.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 57 Revision 1.0 (04-15-09) DA T ASHEET 6.2.1.2 100M MII T ransmit Timing Figure 6.3 100M MII T r ansmit Timing Diagram T able 6.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 58 SMSC LAN8710/LAN8710i DA T ASHEET 6.2.2 MII 10Base-T TX/RX Timings 6.2.2.1 10M MII Receive Timing Figure 6.4 10M MII Rece ive Timing Diagram T abl e 6.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 59 Revision 1.0 (04-15-09) DA T ASHEET 6.2.2.2 10M MII T ransmit Timin g Figure 6.5 10M MII T ra nsmit Timing Diagrams T able 6.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 60 SMSC LAN8710/LAN8710i DA T ASHEET 6.3 RMII 10/100Base-TX/RX Ti mings (50MHz REF_CLK IN) 6.3.1 RMII 100Base- T TX/RX Timings (50MHz REF_CLK IN) 6.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 61 Revision 1.0 (04-15-09) DA T ASHEET 6.3.1.2 100M RMII T ransmit Timing (50MHz REF_CLK IN) Figure 6 .7 100M RMII T ransm it Timing Diagram (50MHz REF_CLK IN) T able 6.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 62 SMSC LAN8710/LAN8710i DA T ASHEET 6.3.2 RMII 10Base-T TX/RX Ti mings (50MHz REF_CLK IN) 6.3.2.1 10M RMII Receive Timing (50MHz REF_CLK IN) Figure 6.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 63 Revision 1.0 (04-15-09) DA T ASHEET 6.3.2.2 10M RMII T ransmit Timing (50MHz REF_CLK IN) Figure 6.9 10M RMII T r ansmit Timing Diagram (50MHz REF_CLK IN) T abl e 6.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 64 SMSC LAN8710/LAN8710i DA T ASHEET 6.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 65 Revision 1.0 (04-15-09) DA T ASHEET 6.6 Clock Circuit LAN8710/LAN8710i can accept either a 2 5MHz cr ystal or a 25MHz single-ended clock oscillator (±50ppm) input.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 66 SMSC LAN8710/LAN8710i DA T ASHEET Chapter 7 DC Electrical Characteristics 7.1 DC Characteristics 7.1.1 Maximum Guaranteed Ratings S tresses beyond those listed in may cause permanent damage to the device.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 67 Revision 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 68 SMSC LAN8710/LAN8710i DA T ASHEET 7.1.3 Power Consumption 7.1.3.1 Power Consumption Device Only Power measurements t aken over the operating condi tions specified.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 69 Revision 1.0 (04-15-09) DA T ASHEET 7.1.4 DC Characteristics - I nput and Output Buffers T able 7.5 MII Bus Interface Signals NAME V IH (V) V IL (V) I OH I OL V OL (V) V OH (V) TXD0 0.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 70 SMSC LAN8710/LAN8710i DA T ASHEET Note 7.3 These levels apply when a 0-3.3V Clock is driven into XT AL1/CL KIN and XT AL2 is floating.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 71 Revision 1.0 (04-15-09) DA T ASHEET Note 7.4 Measured at the lin e side of the transformer , line replaced by 100 Ω (± 1%) resistor .
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 72 SMSC LAN8710/LAN8710i DA T ASHEET Note 7.7 Min/max voltages guaranteed as me asured with 100 Ω resistive load.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 73 Revision 1.0 (04-15-09) DA T ASHEET Chapter 8 Application Notes 8.1 Application Diagram The LAN8710 requires few ex ternal components.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 74 SMSC LAN8710/LAN8710i DA T ASHEET 8.1.2 Power Supply Diagram 8.1.3 T wisted-Pair Interface Diagram Figure 8.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 75 Revision 1.0 (04-15-09) DA T ASHEET 8.2 Magnetics Selection For a list of magnetics selecte d to operate with the SMSC LAN8 710, please refer to the Ap plication note “AN 8-13 Suggested Magne tics”.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 76 SMSC LAN8710/LAN8710i DA T ASHEET Chapter 9 Package Outline Notes: 1. Controlling Unit: millimeter . 2. Dimension b applies to pl ated terminals and is measured between 0.
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 77 Revision 1.
MII/RMII 10/100 Ethernet T ransceiver with HP Auto-M DIX and flexPWR ® T echnology in a Sma ll Footprint Datasheet Revision 1.0 (04-15-09) 78 SMSC LAN8710/LAN8710i DA T ASHEET Figure 9 .
MII/RMII 10/10 0 Ethernet T ransceiver with HP Auto-MDIX and flexPWR ® T e chnology in a Small Footpr in t Datasheet SMSC LAN8710/LAN8710i 79 Revision 1.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté SMSC RMII 10/100 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du SMSC RMII 10/100 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation SMSC RMII 10/100, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le SMSC RMII 10/100 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le SMSC RMII 10/100, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du SMSC RMII 10/100.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le SMSC RMII 10/100. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei SMSC RMII 10/100 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
