參數(shù)資料
型號(hào): M29F400BT90N1E
廠商: 意法半導(dǎo)體
英文描述: 4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory
中文描述: 4兆位(512KB的x8或256Kb的x16插槽,引導(dǎo)塊)單電源閃存
文件頁(yè)數(shù): 20/40頁(yè)
文件大?。?/td> 215K
代理商: M29F400BT90N1E
Command interface
M29F400BT, M29F400BB
20/40
Table 5.
The Command Interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands;
A11-A17, DQ8-DQ14 and DQ15 are Don’t Care. DQ15A–1 is A–1 when BYTE is V
IL
or
DQ15 when BYTE is V
IH
.
4.11
Read/Reset
After a Read/Reset command, read the memory as normal until another command is
issued.
4.12
Auto Select
After an Auto Select command, read Manufacturer ID, Device ID or Block Protection Status.
4.13
Program, Unlock Bypass Program, Chip Erase, Block Erase
After these commands read the Status Register until the Program/Erase Controller
completes and the memory returns to Read Mode. Add additional Blocks during Block
Erase Command with additional Bus Write Operations until Timeout Bit is set.
Commands, 8-bit mode, BYTE = V
IL(1) (2)
1.
X = Don’t Care, PA = Program Address, PD = Program Data, BA = Any address in the Block.
2.
All values are in hexadecimal.
Command
L
Bus Write Operations
1st
2nd
3rd
4th
5th
6th
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Read/Reset
1
X
F0
3
AAA
AA
555
55
X
F0
Auto Select
3
AAA
AA
555
55
AAA
90
Program
4
AAA
AA
555
55
AAA
A0
PA
PD
Unlock Bypass
3
AAA
AA
555
55
AAA
20
Unlock Bypass
Program
2
X
A0
PA
PD
Unlock Bypass
Reset
2
X
90
X
00
Chip Erase
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AAA
10
Block Erase
6+ AAA
AA
555
55
AAA
80
AAA
AA
555
55
BA
30
Erase Suspend
1
X
B0
Erase Resume
1
X
30
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