參數(shù)資料
型號(hào)： M50FLW040AN5TG
廠商： 意法半導(dǎo)體
英文描述： 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
中文描述： 4兆位（5 × 64KB之座3 × 16 × 4KB的部門）3V電源固件集線器/低引腳數(shù)快閃記憶體
文件頁(yè)數(shù)： 45/52頁(yè)
文件大小： 417K
代理商： M50FLW040AN5TG
45/52
M50FLW040A, M50FLW040B
Figure 23. Double/Quadruple Byte Program Flowchart and Pseudo code (FWH Mode Only)
Note: 1. A Status check of SR3 (V
PP
Invalid) and SR4 (Program Error) can be made after each program operation by following the correct
command sequence.
2. If an error is found, the Status Register must be cleared before further Program/Erase operations.
3. 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.
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
相關(guān)PDF資料
PDF描述
M50FLW040AN5TP 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040ANB1 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040ANB1G 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040ANB1P 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040ANB1T 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V 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
M50FLW040AN5TP 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
M50FLW040ANB1 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
M50FLW040ANB1G 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
M50FLW040ANB1P 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
M50FLW040ANB1T 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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