AC101L
ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL
10/100BASE-TX SINGLE-PHY TRANSCEIVER
CPU
Chipset
PCI
Bus
MII
TX
RX
MAC
Control
AC101L
MII Bus
CPU
Chipset
PCI
Bus
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
TX
RX
AC101L
CNR/ACR Slot
• 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
• Reverse polarity detection and correction
• Read/write register bit indication
• Industrial temperature (3.3V only)
• 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
FE A T UR E S
SU MM AR Y O F B E N E FI TS
NIC 10/100BASE-TX Application
PC Motherboard 10/100BASE-TX Application
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