參數(shù)資料
型號(hào)： M50FLW040A
廠商： 意法半導(dǎo)體
英文描述： 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
中文描述： 4兆位（5】64字節(jié)塊3】16】4 Kbyte的）3 - V電源供電固件集線器/低引腳數(shù)的閃存
文件頁(yè)數(shù)： 1/64頁(yè)
文件大小： 338K
代理商： M50FLW040A
October 2006
Rev 6
1/64
1
M50FLW040A
M50FLW040B
4-Mbit (5 × 64 Kbyte blocks + 3 × 16 × 4 Kbyte sectors)
3-V supply Firmware Hub / low-pin count Flash memory
Feature summary
■
Flash memory
– Compatible with either the LPC interface or
the FWH interface (Intel Spec rev1.1) used
in PC BIOS applications
– 5 Signal Communication Interface
supporting Read and Write Operations
– 5 Additional General Purpose Inputs for
platform design flexibility
– Synchronized with 33MHz PCI clock
■
8 blocks of 64 Kbytes
– 5 blocks of 64 KBytes each
– 3 blocks, subdivided into 16 uniform
sectors of 4 KBytes each
Two blocks at the top and one at the bottom
(M50FLW040A)
One block at the top and two at the bottom
(M50FLW040B)
■
Enhanced security
– Hardware Write Protect Pins for Block
Protection
– Register-based Read and Write Protection
■
Supply voltage
– V
CC
= 3 to 3.6V for Program, Erase and
Read Operations
– V
PP
= 12V for Fast Program and Erase
■
Two interfaces
– Auto Detection of Firmware Hub (FWH) or
Low Pin Count (LPC) Memory Cycles for
Embedded Operation with PC Chipsets
– Address/Address Multiplexed (A/A Mux)
Interface for programming equipment
compatibility.
■
Programming time: 10 μs typical
■
Program/Erase Controller
– Embedded Program and Erase algorithms
– Status Register Bits
■
Program/Erase Suspend
– Read other Blocks/Sectors during Program
Suspend
– Program other Blocks/Sectors during Erase
Suspend
■
Electronic signature
– Manufacturer Code: 20h
– Device Code (M50FLW040A): 08h
– Device Code (M50FLW040B): 28h
■
Packages
– ECOPACK (RoHS compliant)
TSOP32 (NB)
8 x 14mm
PLCC32 (K)
TSOP40 (N)
10 x 20mm
www.st.com
相關(guān)PDF資料
PDF描述
M50FLW040A_06 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
M50FLW040AK5G 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
M50FLW040AK5P 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
M50FLW040AK5TG 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
M50FLW040AK5TP 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M50FLW040A_06 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
M50FLW040AK1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AK1G 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AK1P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040AK1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
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