PDF VT6103 Data sheet ( Hoja de datos )

Número de pieza	VT6103
Descripción	Fast Ethernet 10/100 Transceiver
Fabricantes	VIA
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No Preview Available ! Fast Ethernet 10 / 100 1-Port PHY / Transceiver Revision 1.1 April 15, 2002 VIA TECHNOLOGIES, INC. 1 page TeWchenoCloognineesc,tInc. VT6103 - Fast Ethernet 10 / 100 PHY / Transceiver Clock Recovery – 100 Mbps ................................................................................................................................................ 22 Data Recovery – 100 Mbps .................................................................................................................................................. 22 Clock Recovery – 10 Mbps .................................................................................................................................................. 22 Data Recovery – 10 Mbps .................................................................................................................................................... 22 SCRAMBLER / DESCRAMBLER..................................................................................................................................................... 22 100 Mbps Scrambler ............................................................................................................................................................ 22 10 Mbps Scrambler .............................................................................................................................................................. 22 100 Mbps Descrambler ........................................................................................................................................................ 22 10 Mbps Descrambler .......................................................................................................................................................... 22 TWISTED PAIR TRANSMITTER .................................................................................................................................................... 23 Transmitter - 100 Mbps ....................................................................................................................................................... 23 Transmitter - 10 Mbps ......................................................................................................................................................... 23 TWISTED PAIR RECEIVER ........................................................................................................................................................... 24 Receiver - 100 Mbps ............................................................................................................................................................. 24 Receiver - 10 Mbps ............................................................................................................................................................... 24 MISCELLANEOUS FUNCTIONS ..................................................................................................................................................... 25 Smart Squelch....................................................................................................................................................................... 25 Collision Detection................................................................................................................................................................ 25 Carrier Sense ........................................................................................................................................................................ 25 Normal Link Pulse Detection / Generation ........................................................................................................................ 25 Jabber Function.................................................................................................................................................................... 26 Status Information ............................................................................................................................................................... 26 Automatic Link Polarity Detection ..................................................................................................................................... 26 Internal Loopback ................................................................................................................................................................ 26 100BASE-FX ................................................................................................................................................................................ 27 APPLICATION SCHEMATICS.................................................................................................................................................... 28 ELECTRICAL SPECIFICATIONS .............................................................................................................................................. 31 ABSOLUTE MAXIMUM RATINGS ................................................................................................................................................. 31 DC CHARACTERISTICS ............................................................................................................................................................... 31 AC CHARACTERISTICS ............................................................................................................................................................... 31 100BaseT Transmitter Characteristics............................................................................................................................... 32 10BaseT Transmitter Characteristics................................................................................................................................. 32 Crystal Oscillator Characteristics....................................................................................................................................... 33 PLL Frequency Multiplier Characteristics........................................................................................................................ 33 FX Characteristics................................................................................................................................................................ 33 PACKAGE MECHANICAL SPECIFICATIONS ....................................................................................................................... 40 Revision 1.1 April 15, 2002 -iii- Table of Contents 5 Page TeWchenoCloognineesc,tInc. VT6103 - Fast Ethernet 10 / 100 PHY / Transceiver Strap Options Signal Name Pin # I/O Signal Description SYMB / COL 21 I Symbol Mode. Latched into register 16 (register 10h) bit-2 at power-up / reset. Internally pulled low for default disabled. RPTR / CRS 22 I Repeater Mode. Latched into register 16 (register 10h) bit-4 at power-up / reset. Internally pulled low for default disabled. ISO / RXER 11 I Isolate. Latched into register 0 bit-10 at power-up / reset. Internally pulled low for default disabled. PHYAD[4:0] / RXD[0:3], INT# 6, 5, 4, I PHY Address. Latched into register 16 (register 10h) bits 15-11 at power-up 3, 25 / reset. Internally pulled low, low, low, low, and high for default 00001b. LINK / LED0 26 I Test Mode Enable. 0=Enable, 1=Disable. Do not leave floating. Pull high with 10K ohms if not used. SPD100 / LED1 27 I Speed Select. Latched into register 0 bit-13 at power-up / reset (0=Speed 10, 1=Speed100). If NWAYEN is not pulled down at power-up / reset, this pin is also latched as Speed support in register 4 (Auto-Negotiation Advertisement Base Page). Do not leave floating. Pull high or low with 10K ohms. DUPLEX / LED2 28 I Duplex Mode Select. Latched into register 0 bit-8 at power-up / reset (0=Half, 1=Full). If NWAYEN is not pulled down at power-up / reset, this pin is also latched as Duplex support in register 4 (Auto-Negotiation Advertisement Base Page). Do not leave floating. Pull high or low with 10K ohms. NWAYEN / LED3 29 I N-Way Enable. Latched into register 0 bit-12 (Auto-Negotiation Enable) at power-up / reset (0=Disable, 1=Enable). Do not leave floating. Pull low with 10K ohms if not used. FXEN / SD 34 I Fiber Mode Enable. Latched into register 16 (register 10h) bit-10 at power- up / reset (0=Disable, 1=Enable). Do not leave floating. Pull low with 10K ohms if not used. Note: For the pins listed above, pullup / pulldown status is latched during powerup / reset. External strap option values may be set by connecting the indicated pin to a 10K ohm pull down for 0 (L) or to a 10K pull up for 1 (H). Signal Name LED0 / LINK LED1 / SPD100 LED2 / DUPLEX LED3 / NWAYEN LED Outputs Pin # I/O Signal Description 26 IO LED Output 0. See Register 16 (10h) bits 5-6 & Table 6 for LED function. 27 IO LED Output 1. See Register 16 (10h) bits 5-6 & Table 6 for LED function. 28 IO LED Output 2. See Register 16 (10h) bits 5-6 & Table 6 for LED function. 29 IO LED Output 3. See Register 16 (10h) bits 5-6 & Table 6 for LED function. Revision 1.1, April 15, 2002 -5- Pin Descriptions 11 Page

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