M58LR128FT datasheet(77/82 Pages) STMICROELECTRONICS

77 / 82 page

77/82

M58LR128FT, M58LR128FB

Note: 1. CI = Command Interface, CR = Configuration Register, BEFP = Buffer Enhanced Factory Program, P/E. C. = Program/Erase Con-

troller.

2. At Power-Up, all banks are in Read Array mode. Issuing a Read Array command to a busy bank, results in undetermined data out-

put.

3. The two cycle command should be issued to the same bank address.

4. If the P/E.C. is active, both cycles are ignored.

5. The Clear Status Register command clears the Status Register error bits except when the P/E.C. is busy or suspended.

6. BEFP is allowed only when Status Register bit SR0 is set to ‘0’. BEFP is busy if Block Address is first BEFP Address. Any other

commands are treated as data.

Buffer

Program

in Erase

Suspend

Setup

Buffer Program Load 1 in Erase Suspend (give word count load (N-1)); if N=0 go to Buffer Program confirm. Else (N

not =0) go to Buffer Program Load 2

Buffer

Load 1

Buffer Program Load 2 in Erase Suspend (data load)

Buffer

Load 2

Buffer Program Confirm in Erase Suspend when count =0; Else Buffer Program Load 2 in Erase Suspend (note:

Buffer Program will fail at this point if any block address is different from the first address)

Confirm

Ready (error)

Buffer Program

Busy in Erase

Suspend

Ready (error)

Busy

Buffer Program Busy in Erase Suspend

Buffer

Program

Suspend in

Erase

Suspend

Buffer Program Busy in Erase

Suspend

Buffer Program Suspend in Erase Suspend

Buffer Program

Busy in Erase

Suspend

Buffer Program Suspend in Erase Suspend

Lock/CR Setup

in Erase Suspend

Erase Suspend (Lock Error)

Erase Suspend

Erase Suspend (Lock Error)

Buffer

EFP

Setup

Ready (error)

BEFP Busy

Ready (error)

Busy

BEFP Busy (6)

Current CI State

Command Input

Read

Array(2)

(FFh)

Program

Setup

(3,4)

(10/40h)

Buffer

Program

(3,4)

(E8h)

Block

Erase,

Setup

(3,4)

(20h)

BEFP

Setup

(80h)

Erase Confirm

P/E Resume,

Block Unlock

confirm,

BEFP Confirm

(3,4)

(D0h)

Buffer

Program,

Program/

Erase

Suspend

(B0h)

Read

Status

(70h)

Clear

status

(5)

(50h)

Read

Electronic

Signature,

Read CFI

Query

(90h, 98h)

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