M58LR128FT datasheet(79/82 Pages) STMICROELECTRONICS

79 / 82 page

79/82

M58LR128FT, M58LR128FB

Table 43. Command Interface States - Lock Table, Next State

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

troller, WA0 = Address in a block different from first BEFP address.

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

3. BEFP Exit when Block Address is different from first Block Address and data are FFFFh.

4. 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.

5. Illegal commands are those not defined in the command set.

6. if N=0 go to Buffer Program Confirm. Else (N

≠ 0) go to Buffer Program Load 2 (data load).

7. if N=0 go to Buffer Program Confirm in Erase Suspend. Else (N

≠ 0) go to Buffer Program Load 2 in Erase Suspend.

Current CI State

Command Input

Lock/CR

Setup(2)

(60h)

OTP Setup

(2)

(C0h)

Block Lock

Confirm

(01h)

Block

Lock-Down

Confirm

(2Fh)

Set CR

Confirm

(03h)

Block

Address

(WA0) (3)

(XXXXh)

Illegal

Command

(5)

WSM

Operation

Completed

Ready

Lock/CR

Setup

OTP Setup

Ready

N/A

Lock/CR Setup

Ready (Lock error)

Ready

Ready (Lock error)

N/A

OTP

Setup

OTP Busy

N/A

Busy

Ready

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 1

Buffer Program Load 2(6)

Exit

see note (6)

N/A

Buffer

Load 2

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

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 1

Buffer Program Load 2 in Erase Suspend(7)

Exit

see note (7)

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)

Busy

Buffer Program Busy in Erase Suspend

Suspend

Buffer Program Suspend in Erase Suspend

Lock/CR Setup

in Erase Suspend

Erase Suspend (Lock error)

Erase Suspend

(Lock error)

N/A

BEFP

Setup

Ready (error)

N/A

Busy

BEFP Busy (4)

Exit

BEFP

Busy(4)

N/A

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