FW82801EB

Product Summary

The Intel FW82801EB Communications I/O Controller Hub (FW82801EB C-ICH) is a highly integrated multifunctional communications I/O controller hub that provides the interface to the PCI bus and integrates many of the functions needed in today communications applications. This document provides a detailed description of the FW82801EB C-ICH thermal, electrical and mechanical specifications, including signals, pinout, packaging, electrical characteristics, and testability.

Parametrics

FW82801EB absolute maximum ratings: (1)Case Temperature under Bias: 0℃ to +109℃; (2)Storage Temperature: -55℃ to +150℃; (3)Voltage on Any 3.3 V Pin with Respect to Ground: -0.5 to Vcc + 0.3 V; (4)Voltage on Any 5 V Tolerant Pin with Respect to Ground:(VREF=5 V): -0.5 to VREF + 0.3 V; (5)1.8 V Supply Voltage with Respect to Vss: -0.5 to +2.7V; (6)3.3 V Supply Voltage with Respect to Vss: -0.5 to +4.6 V; (7)5.0 V Supply Voltage (Vref) with Respect to Vss: -0.5 to +5.5V; (8)Maximum Power Dissipation: 2.0 W.

Features

FW82801EB features: (1)Supports Intel processors, the 82815E GMCH and the 82810E GMCH; (2)8-Bit Hub Interface: 266 Mbyte/s maximum throughput; (3)Two integrated LAN controllers; (4)USB: Includes one UHCI Host Controller with a total of two ports: USB 1.1 compliant; (5)PCI Bus interface: Supports PCI Rev 2.2 specification at 33 MHz; 133 Mbyte/s maximum throughput; (6)Low-Pincount (LPC) interface; (7)Firmware Hub (FWH) interface; (8)Supports 8-Mbyte memory size; (9)Integrated IDE controller supports Ultra100 DMA, Ultra66 and Ultra33 DMA mode transfers; (10)Interrupt Controller, Two cascaded 82C59 interrupt controllers; Integrated I/O (x) APIC supporting 24 interrupts; 15 interrupts supported in 8259 mode; Two cascaded 8237 DMA controllers; (11)Integrated 82C54-compatible timers; (12)Real-time clock with 256-byte battery backed CMOS RAM; (13)System Management Bus (SMBus): Compatible with most two-wire components that are also I2C compatible; Slave interface allows external microcontroller to access system resources; (14)GPIO, Exact number varies by configuration. Maximum: 12 inputs, eight outputs, four I/O; (15)Integrated 16550 compatible UARTs: Two UARTs; Serial Interrupts; (16)Supports IRQ1/IRQ12 emulation to avoid external keyboard controller; (17)1.8 V operation with 3.3 V I/O. 5 V tolerance on many buffers, including PCI and IDE; (18)Package: 421 BGA.

Diagrams