M58LT128HST, M58LT128HSB
Command interface
4
Command interface
All Bus Write operations to the memory are interpreted by the Command Interface.
Commands consist of one or more sequential Bus Write operations. An internal
Program/Erase Controller handles all timings and verifies the correct execution of the
program and erase commands. The Program/Erase Controller provides a Status Register
whose output may be read at any time to monitor the progress or the result of the operation.
When exiting from Reset or whenever V is lower than V
, the Command Interface is
LKO
DD
reset to Read mode when power is first applied. Command sequences must be followed
exactly. Any invalid combination of commands is ignored.
Refer to Table 4: Command codes, Table 5: Standard commands, Table 6: Factory
commands, and Appendix D: Command Interface state tables for a summary of the
Command Interface.
Table 4.
Command codes
Hex Code
Command
01h
03h
10h
20h
40h
50h
Block Protect Confirm
Set Configuration Register Confirm
Alternative Program Setup
Block Erase Setup
Program Setup
Clear Status Register
Block Protect Setup, Block Unprotect Setup and Set Configuration Register
Setup
60h
70h
80h
90h
98h
B0h
BCh
C0h
CBh
Read Status Register
Buffer Enhanced Factory Program Setup
Read Electronic Signature
Read CFI Query
Program/Erase Suspend
Blank Check Setup
Protection Register Program
Blank Check Confirm
Program/Erase Resume, Block Erase Confirm, Block Unprotect Confirm, Buffer
Program or Buffer Enhanced Factory Program Confirm
D0h
E8h
FFh
Buffer Program
Read Array
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NUMONYX [ NUMONYX B.V ]
