Part Number
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AT49LW040 |
Manufacturer
|
ATMEL Corporation |
Description
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8-megabit and 4-megabit Firmware Hub Flash Memory |
Published
|
Mar 23, 2005 |
Detailed Description
|
Features
• Low Pin Count (LPC) BIOS Device • Functions as Firmware Hub for Intel 810, 810E, 820, 840 Chipsets • 8M or 4M...
|
Datasheet
|
AT49LW040
|
Overview
Features
• Low Pin Count (LPC) BIOS Device • Functions as Firmware Hub for Intel 810, 810E, 820, 840 Chipsets • 8M or 4M Bits of Flash Memory for Platform Code/Data Storage
– Uniform, 64-Kbyte Memory Sectors – Available in 8M Bits (AT49LW080) and 4M Bits (AT49LW040) – Automated Byte-program and Sector-erase Operations Two Configurable Interfaces – Firmware Hub (FWH) Interface for In-System Operation – Address/Address Multiplexed (A/A Mux) Interface for Programming during Manufacturing Firmware Hub Hardware Interface Mode – 5-signal Communication Interface Supporting x8 Reads and Writes – Read and Write Protection for Each Sector Using Software-controlled Registers – Two Hardware Write-protec...
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