M58LR128HT datasheet(110/112 Pages) STMICROELECTRONICS

110 / 112 page

Command interface state tables

M58LR128HT, M58LR128HB

110/112

OTP Busy

Status Register

Output Unchanged

Array

Output Unchanged

Ready

Program Busy

Erase Busy

Buffer Program Busy

Program/Erase Suspend

Buffer Program Suspend

Program Busy in Erase

Suspend

Buffer Program Busy in

Erase Suspend

Program Suspend in Erase

Suspend

Buffer Program Suspend in

Erase Suspend

Blank Check busy

Illegal State

Output Unchanged

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's output state.

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

Program/Erase Controller.

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

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

Illegal commands are those not defined in the command set.

Table 45.

Command interface states - lock table, next output state (continued)(1) (2)

Current CI State

Command Input

Lock/CR

Setup(3)(

60h)

Blank

Check

setup

(BCh)

OTP

Setup(3)

(C0h)

Blank

Check

confirm

(CBh)

Block Lock

Confirm

(01h)

Block Lock-

Down

Confirm (2Fh)

Set CR

Confirm

(03h)

BEFP

Exit(4)

(FFFFh)

Illegal

Command

(5)

P. E./C.

Operation

Completed

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