參數(shù)資料
型號(hào)： M50FLW040ANB1
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)： 21/52頁(yè)
文件大小： 417K
代理商： M50FLW040ANB1
21/52
M50FLW040A, M50FLW040B
Table 13. Commands
Note: 1. For all commands: the first cycle is a Write. For the first three commands (Read Memory, Read Status Register, Read Electronic
Signature), the second and next cycles are READ. For the remaining commands, the second and next cycles are WRITE.
BA = Any address in the Block, SA = Any address in the Sector. X = Don
’
t Care, except that A22=1 (for FWH or LPC mode), and
A21, A20 and A19 are set according to the rules shown in
Table 5.
(for LPC mode)
2. After a Read Memory Array command, read the memory as normal until another command is issued.
3. After a Read Status Register command, read the Status Register as normal until another command is issued.
4. After the erase and program commands read the Status Register until the command completes and another command is issued.
5. After the Clear Status Register command bits SR1, SR3, SR4 and SR5 in the Status Register are reset to
‘
0
’
.
6. While an operation is being Program/Erase Suspended, the Read Memory Array, Read Status Register, Program (during Erase
Suspend) and Program/Erase Resume commands can be issued.
7. The Program/Erase Resume command causes the Program/Erase suspended operation to resume. Read the Status Register until
the Program/Erase Controller completes and the memory returns to Read Mode.
8. Do not use Invalid or Reserved commands.
9. Multiple Byte Program PA= start address, A0 (Double Byte Program) A0 and A1 (Quadruple Byte Program) are Don`t Care. PD is
two or four Bytes depending on Msize code.
10.
“
1+
”
indicates that there is one write cycle, followed by any number of read cycles.
11. Configuration registers are accessed directly without using any specific command code. A single Bus Write or Bus Read Operation
is all that is needed.
12. Addresses A1, A2, A3 and A4 must be consecutive addresses, differing only in address bits A0 and A1.
Command
C
Bus Operations
(1)
1st
2nd
3rd
4th
5th
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read Memory
Array
(2,10,11)
1+
X
FFh
Read
Addr
Read
Data
(Read
Addr2)
(Read
Data2)
(Read
Addr3)
(Read
Data3)
(Read
Addr4)
(Read
Data4)
Read Status
Register
(3,10)
1+
X
70h
X
Status
Reg
(X)
(Status
Reg)
(X)
(Status
Reg)
(X)
(Status
Reg)
Read Electronic
Signature
(10)
1+
X
90h or
98h
Sig
Addr
Signat
ure
(Sig
Addr)
(Signat
ure)
(Sig
Addr)
(Signat
ure)
(Sig
Addr)
(Signat
ure)
Program / Multiple
Byte program
(FWH)
(4,9,11)
2
X
40h or
10h
Prog
Addr
Prog
Data
Quadruple Byte
Program
(A/A Mux)
(4,12)
5
X
30h
A1
Prog
Data1
A2
Prog
Data2
A3
Prog
Data3
A4
Prog
Data4
Chip Erase
(4)
2
X
80h
X
10h
Block Erase
(4)
2
X
20h
BA
D0h
Sector Erase
(4)
2
X
32h
SA
D0h
Clear Status
Register
(5)
1
X
50h
Program/Erase
suspend
(6)
1
X
B0h
Program/Erase
resume
(7)
1
X
D0h
Invalid reserved
(8)
1
X
00h
1
X
01h
1
X
60h
1
X
2Fh
1
X
C0h
相關(guān)PDF資料
PDF描述
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
M50FLW040ANB1TG 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
M50FLW040ANB1TP 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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