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
文件頁數(shù): 56/64頁
文件大小: 338K
代理商: M50FLW040A
Flowcharts and pseudo codes
M50FLW040A, M50FLW040B
56/64
Appendix B
Flowcharts and pseudo codes
Figure 21.
Program flowchart and pseudo code
1.
A Status check of SR1 (Protected Block), SR3 (V
invalid) and SR4 (Program Error) can be made after
each Program operation by following the correct command sequence.
If an error is found, the Status Register must be cleared before further Program/Erase Controller
operations.
2.
Write 40h or 10h
AI08425B
Start
Write Address
and Data
Read Status
Register
YES
NO
SR7 = 1
YES
NO
SR3 = 0
NO
SR4 = 0
VPP Invalid
Error (1, 2)
Program
Error (1, 2)
Program command:
– Write 40h or 10h
– Write Address and Data
(memory enters read status state after
the Program command)
do:
– Read Status Register
– If SR7=0 and a Program/Erase Suspend
command has been executed
– SR7 is set to 1
– Enter suspend program loop
If SR3 = 1,
– Enter the "VPP invalid" error handler
If SR4 = 1,
– Enter the "Program error" error handler
YES
End
YES
NO
SR1 = 0
Program to Protected
Block Error (1, 2)
If SR1 = 1,
– Enter the "Program to protected
block" error handler
Suspend
Suspend
Loop
NO
YES
FWH/LPC
Interface
Only
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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
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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