Product Summary

The FW82371AB-SL23P is a multi-function PCI device implementing a PCI-to-ISA bridge function, a PCI IDE function, a Universal Serial Bus host/hub function, and an Enhanced Power Management function. As a PCI-to-ISA bridge, the FW82371AB-SL23P integrates many common I/O functions found in ISA-based PC systems—two 82C37 DMA Controllers, two 82C59 Interrupt Controllers, an 82C54 Timer/Counter, and a Real Time Clock. In addition to compatible transfers, each DMA channel of the FW82371AB-SL23P supports Type F transfers. The device also contains full support for both PC/PCI and Distributed DMA protocols implementing PCI-based DMA. The Interrupt Controller FW82371AB-SL23P has Edge or Level sensitive programmable inputs and fully supports the use of an external I/O Advanced Programmable Interrupt Controller (APIC) and Serial Interrupts.

Features

FW82371AB-SL23P features: (1)Supports PCI Rev 2.1 Specification; (2)Supports Full ISA or Extended I/O (EIO) Bus; (3)Supports Full Positive Decode or Subtractive Decode of PCI; (4)Supports ISA and EIO at 1/4 of PCI Frequency; (5)3.3V Operation with 5V Tolerant Buffers; (6)Ultra-low Power for Mobile Environments Support; (7)Power-On Suspend, Suspend to RAM, Suspend to Disk, and Soft-; (8)OFF System States; (9)All Registers Readable and Restorable for Proper Resume from 0.V Suspend; (10)Global and Local Device Management; (11)Suspend and Resume Logic; (12)Supports Thermal Alarm; (13)Support for External Microcontroller; (14)Full Support for Advanced Configuration and Power Interface (ACPI) Revision 1.0 Specification and OS Directed Power Management.

Diagrams

FW82371AB-SL23P pin connection

FW82439HXSU115
FW82439HXSU115


IC 82439HX SYS CTRL MHXC 324BGA

Data Sheet

0-1: $10.88
1-10: $10.61
10-25: $9.79
25-100: $8.97
FW82439TX
FW82439TX

Other


Data Sheet

Negotiable 
FW82439TXSL28T
FW82439TXSL28T


IC 82439TX SYS CTRL MTXC 324BGA

Data Sheet

Negotiable 
FW82443BXSL2VH
FW82443BXSL2VH


IC 82443BX SYS CTRLR 492-PBGA

Data Sheet

Negotiable 
FW82546GB
FW82546GB

Intel

IC CTRLR ETHRNT 2-PORT 364BGA

Data Sheet

1-1: $55.13
FW82801AA SL3Z2
FW82801AA SL3Z2

Other


Data Sheet

Negotiable