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M50FW002 Datasheet, PDF (1/39 Pages) STMicroelectronics – 2 Mbit 256Kb x8, Boot Block 3V Supply Firmware Hub Flash Memory | |||
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M50FW002
2 Mbit (256Kb x8, Boot Block)
3V Supply Firmware Hub Flash Memory
PRELIMINARY DATA
FEATURES SUMMARY
s SUPPLY VOLTAGE
â VCC = 3 V to 3.6 V for Program, Erase and
Read Operations
â VPP = 12 V for Fast Program and Fast Erase
(optional)
s TWO INTERFACES
â Firmware Hub (FWH) Interface for embedded
operation with PC Chipsets
â Address/Address Multiplexed (A/A Mux)
Interface for programming equipment
compatibility
s FIRMWARE HUB (FWH) HARDWARE
INTERFACE MODE
â 5 Signal Communication Interface supporting
Read and Write Operations
â Hardware Write Protect Pins for Block
Protection
â Register Based Read and Write Protection
â 5 Additional General Purpose Inputs for
platform design flexibility
â Synchronized with 33MHz PCI clock
â Multi-byte Read Operation (1-byte, 16-byte,
32-byte)
s PROGRAMMING TIME
â 10 µs typical
â Quadruple Byte Programming Option
s 7 MEMORY BLOCKS
â 1 Boot Block (Top Location)
â 4 Main Blocks and 2 Parameter Blocks
s PROGRAM/ERASE CONTROLLER
â Embedded Byte Program, Block Erase and
Chip Erase algorithms
â Status Register Bits
s PROGRAM and ERASE SUSPEND
s FOR USE in PC BIOS APPLICATIONS
Figure 1. Packages
PLCC32 (K)
s ELECTRONIC SIGNATURE
â Manufacturer Code: 20h
â Device Code: 29h
May 2002
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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