參數(shù)資料
型號(hào)： M50FLW040AK5TG
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)： 57/64頁
文件大小： 338K
代理商： M50FLW040AK5TG
M50FLW040A, M50FLW040B
Flowcharts and pseudo codes
57/64
Figure 22.
Double/Quadruple Byte Program flowchart and pseudo code (FWH mode
only)
1.
A Status check of 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 operations.
A0 and/or A1 are treated as Don’t Care (A0 for Double Byte Program and A1-A0 for Quadruple Byte
Program).
For Double Byte Program: Starting at the Start Address, the first data Byte is programmed at the even
address, and the second at the odd address.
For Quadruple Byte Program: Starting at the Start Address, the first data Byte is programmed at the
address that has A1-A0 at 00, the second at the address that has A1-A0 at 01, the third at the address that
has A1-A0 at 10, and the fourth at the address that has A1-A0 at 11.
2.
3.
AI08423B
Read Status
Register
YES
NO
SR7 = 1
YES
NO
SR3 = 0
NO
SR4 = 0
VPP Invalid
Error (1, 2)
Program
Error (1, 2)
Double/Quadruple Byte Program command:
– write 40h or 10h
– write Start Address and 2/4 Data Bytes
(3)
(memory enters read status state after
the Double/Quadruple Byte 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, VPP invalid error:
– error handler
If SR4 = 1, Program error:
– error handler
Suspend
Suspend
Loop
NO
YES
Write 40h or 10h
Start
Write Start Address
and 2/4 Data Bytes
(3)
YES
End
YES
NO
SR1 = 0
Program to Protected
Block Error (1, 2)
If SR1 = 1,
Program to protected block error:
– error handler
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M50FLW040AK5TP 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
M50FLW040AN1 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
M50FLW040AN1G 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
M50FLW040AN1P 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
M50FLW040AN1T 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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