AC101L 10/100BASE-TX SINGLE-PHY TRANSCEIVER SUMMARY OF BENEFITS FEATURES • Single port—10BASE-T/100BASE-TX/100BASE-FX, full- duplex or half-duplex • Power supply: 2.5V or 3.3V • Integrated voltage regulator to allow operation from single supply source • Single port—MII • • • • • • • • • HP auto-MDIX Small package—48-pin TQFP, 49 square mm footprint Low power—typical less than 200 mW (100BASE-TX) Fully compliant with IEEE 802.3/802.3u Baseline wander correction Multi-function programmable LED outputs • Fully integrated TX/FX PHY transceiver (MII to TX magnetics or FX-Optics) • Low system cost • Simplified board design • HP auto-MDIX detects and corrects crossed cables • Automatically accommodates link partner polarity • Small footprint to allow reduced real estate in space-critical • • • • applications such as PCMCIA cards Industry’s lowest power Fast Ethernet PHY Accommodates either a 3.3V or a 2.5V power supply Low-power and intelligent power management Standby mode to conserve power Reverse polarity detection and correction Read/write register bit indication Industrial temperature (3.3V only) NIC 10/100BASE-TX Application CPU PC Motherboard 10/100BASE-TX Application CPU Chipset Chipset PCI Bus MII Bus TX AC101L CNR/ACR Slot MAC MII AC101L Control TX RX PCI Bus PCI Slot 1 PCI Slot 2 PCI Slot 3 PCI Slot 4 ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL RX PHYAD4/RX D0 PHYAD3/RX D1 PHYAD2/RX D2 PHYAD1/RX D3 MDC MDIO RESET_N VCC33IN XI/CLK_REF XO GNDOSC GNDTX 48 47 46 45 44 43 42 41 40 39 38 37 OVERVIEW VCCFX 1 36 VCC25OUT GNDFX 2 35 TXP RXDV/CRS_DV 3 34 TXN RXC/RMII_SEL 4 33 GNDTXC ISO/RXER 5 32 VCCPLL GND 6 31 RBIAS AC101L The AC101L provides all of the required features of an MII compliant 10/100TX/FX Ethernet transceiver. The AC101L has the lowest power consumption of any other single- port solution. With a power dissipation of less than 200 mW, the AC101L is the industry’s lowest-power Fast Ethernet PHY. The AC101L features an integrated voltage regulator, and can be supplied by either a 2.5V or 3.3V power source. In addition, the AC101L has several intelligent powerdown states that conserve power, yet allow products based on it to automatically turn on when needed. This feature is extremely useful in portable and power sensitive applications such as laptop LAN card adapters. Because most laptop users do not remove their LAN PC cards when working remotely, this feature results in a noticeably extended battery life for laptop computers. AC101L-PB02-R 04/13/04 21 22 23 24 LED3/ANEN PD_N LED0/TEST_N Network Tolerance The AC101L includes features that simplify the installation and maintenance of local area networks. One such feature is the HP AutoMDIX capability, which automatically detects and corrects crossed cables. With HP Auto-MDIX, the installer does not need to know what is on the other end of the network cable; the AC101L automatically switches its transmit and receive circuitry to accommodate the link partner’s polarity. When all system costs are considered, such as power, heat, components, and real estate, the AC101L provides the lowest overall system cost and most reliable design. ALTIMA COMMUNICATIONS, INC. 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013 ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL © 2004 by ALTIMA COMMUNICATIONS, INC. A fully owned subsidiary of Broadcom Corporation. All rights reserved. LED1/SPD100 VCCRX LED2/DUPLEX 25 20 12 19 TXD1 INT#/PHYAD0 RXN VCC RXP 26 18 27 11 17 10 TXD0 16 TXEN GND2 SD/FXEN_A CRS/RPTR 28 COL/SYMB 9 15 GNDRX TXC 14 GNDPLL 29 13 30 8 TXD3 7 TXD2 VCC TXER