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AT49LH002

ATMEL
Part Number AT49LH002
Manufacturer ATMEL
Description 2-megabit Firmware Hub and Low-Pin Count Flash Memory
Published Sep 30, 2017
Detailed Description Features • Complies with Intel® Low-Pin Count (LPC) Interface Specification Revision 1.1 – Supports both Firmware Hub (F...
Datasheet PDF File AT49LH002 PDF File

AT49LH002
AT49LH002

Overview
Features • Complies with Intel® Low-Pin Count (LPC) Interface Specification Revision 1.
1 – Supports both Firmware Hub (FWH) and LPC Memory Read and Write Cycles • Auto-detection of FWH and LPC Memory Cycles – Can Be Used as FWH for Intel 8xx, E7xxx, and E8xxx Series Chipsets – Can Be Used as LPC Flash for Non-Intel Chipsets • Flexible, Optimized Sectoring for BIOS Applications – 16-Kbyte Top Boot Sector, Two 8-Kbyte Sectors, One 32-Kbyte Sector, Three 64-Kbyte Sectors – Or Memory Array Can Be Divided Into Four Uniform 64-Kbyte Sectors for Erasing • Two Configurable Interfaces – FWH/LPC Interface for In-System Operation – Address/Address Multiplexed (A/A Mux) Interface for Programming during Manufacturing • FWH/LPC Interface – Operates with the 33 MHz PCI Bus Clock – 5-signal Communication Interface Supporting Byte Reads and Writes – Two Hardware Write Protect Pins: TBL for Top Boot Sector and WP for All Other Sectors – Five General-purpose Input (GPI) P...


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