參數(shù)資料
型號(hào): M36WT864BFZA
廠商: 意法半導(dǎo)體
英文描述: 64 Mbit 4Mb x16, Multiple Bank, Burst Flash Memory and 8 Mbit 512K x16 SRAM, Multiple Memory Product
中文描述: 64兆位4Mb的x16插槽,多銀行,突發(fā)閃存和8兆位的SRAM為512k x16,內(nèi)存產(chǎn)品多
文件頁(yè)數(shù): 16/92頁(yè)
文件大?。?/td> 624K
代理商: M36WT864BFZA
M36WT864TF, M36WT864BF
16/92
FLASH COMMAND INTERFACE
All Bus Write operations to the memory are inter-
preted by the Command Interface. Commands
consist of one or more sequential Bus Write oper-
ations. An internal Program/Erase Controller han-
dles all timings and verifies the correct execution
of the Program and Erase commands. The Pro-
gram/Erase Controller provides a Status Register
whose output may be read at any time to monitor
the progress or the result of the operation.
The Command Interface is reset to read mode
when power is first applied, when exiting from Re-
set or whenever V
DD
is lower than V
LKO
. Com-
mand sequences must be followed exactly. Any
invalid combination of commands will reset the de-
vice to read mode.
Refer to Table 4, Command Codes and Appendix
D, Tables 44, 45, 46 and 47, Command Interface
States - Modify and Lock Tables, for a summary of
the Command Interface.
The Command Interface is split into two types of
commands: Standard commands and Factory
Program commands. The following sections ex-
plain in detail how to perform each command.
Table 4. Command Codes
Hex Code
Command
01h
Block Lock Confirm
03h
Set Configuration Register Confirm
10h
Alternative Program Setup
20h
Block Erase Setup
2Fh
Block Lock-Down Confirm
30h
Enhanced Factory Program Setup
35h
Double Word Program Setup
40h
Program Setup
50h
Clear Status Register
56h
Quadruple Word Program Setup
60h
Block Lock Setup, Block Unlock Setup,
Block Lock Down Setup and Set
Configuration Register Setup
70h
Read Status Register
75h
Quadruple Enhanced Factory Program
Setup
80h
Bank Erase Setup
90h
Read Electronic Signature
98h
Read CFI Query
B0h
Program/Erase Suspend
C0h
Protection Register Program
D0h
Program/Erase Resume, Block Erase
Confirm, Bank Erase Confirm, Block
Unlock Confirm or Enhanced Factory
Program Confirm
FFh
Read Array
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