MiTAC 7521 PLUS/N service manual Universal Serial Bus Host Controller

7521Plus / N N/B MAINTENANCE

Universal Serial Bus Host Controller

Open HCI Host Controller with Root Hub

Two USB Host Controllers

Six USB Ports

Supports Legacy Devices

Over Current Detection

I²C Bus/SMBus Series Interface

Integrated Fast Ethernet Controller and MAC Interface

Plug and Play Compatible

High-Performance 32-Bit PCI Bus Master Architecture with Integrated Direct Memory Access (DMA) Controller for Low CPU and Bus Utilization

Supports an Unlimited PCI Burst Length

Supports Big Endian and Little Endian Byte Alignments

Implements Optional PCI 3.3v Auxiliary Power Source 3.3Vaux Pin And Optional PCI IEEE 802.3 and 802.3u Standard Compatible

Single 25MHz Clock for 10 and 100 Mbps Operation

Supports Software, Enhanced Software, and Automatic Polling Schemes to Internal PHY Status Monitor and Interrupt Supports 10base-T, 100base-Tx 1Mb Home Networking

NAND Tree for Ball Connectivity Testing 672-Balls BGA Package

1.8V Core with Mixed 3.3V and 5V I/O CMOS Technology

14