M58LT128GST datasheet(93/98 Pages) STMICROELECTRONICS

93 / 98 page

M58LT128GST, M58LT128GSB

13 Part Numbering

93/98

Table 48.

Command Interface States - Lock Table, Next State

The output state shows the type of data that appears at the outputs if the bank address is the same as the command

address. A bank can be placed in Read Array, Read Status Register, Read Electronic Signature or Read CFI mode,

depending on the command issued. Each bank remains in its last output state until a new command is issued to that bank.

The next state does not depend on the bank output state.

CI = Command Interface, CR = Configuration Register, BEFP = Buffer Enhanced Factory Program, P/E. C. = Program/

Erase Controller.

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

data output.

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

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

Current CI State

Command Input(1)(2)

Lock/CR Setup(60h)(2)

Set CR Confirm

(03h)

Block Address (WA0)

(XXXXh)(3)

Illegal Command(4)

WSM Operation

Completed

Ready

Lock/CR Setup

Ready

N/A

Lock/CR Setup

Ready (Lock error)

Ready

Ready (Lock error)

N/A

Program

Setup

Program Busy

N/A

Busy

Program Busy

Ready

Suspend

Program Suspend

N/A

Buffer

Program

Setup

Buffer Program Load 1 (give word count load (N-1)

N/A

Buffer Load

Buffer Program Load 2(5)

Exit

see note(5)

N/A

Buffer Load

Buffer Program Confirm when count =0; Else Buffer Program Load 2 (note: Buffer Program will fail at this point if

any block address is different from the first address)

N/A

Confirm

Ready (error)

N/A

Busy

Buffer Program Busy

Ready

Suspend

Buffer Program Suspend

N/A

Erase

Setup

Ready (error)

N/A

Busy

Erase Busy

Ready

Suspend

Lock/CR Setup in Erase

Suspend

Erase Suspend

N/A

Program in

Erase

Suspend

Setup

Program Busy in Erase Suspend

N/A

Busy

Program Busy in Erase Suspend

Erase Suspend

Suspend

Program Suspend in Erase Suspend

N/A

Buffer

Program in

Erase

Suspend

Setup

Buffer Program Load 1 in Erase Suspend (give word count load (N-1))

Buffer Load

Buffer Program Load 2 in Erase Suspend(6)

Exit

see note (6)

Buffer Load

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)

Busy

Buffer Program Busy in Erase Suspend

Suspend

Buffer Program Suspend in Erase Suspend

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