M58PR256LE datasheet(39/119 Pages) STMICROELECTRONICS

39 / 119 page

M58PR256LE, M58PR512LE, M58PR001LE

Command interface

39/119

Table 9.

Factory Program command(1)

Command

Phase

Bus write operations

1st

2nd

3rd

Final -1

Final

Add

Data

Add Data Add

Data

Add

Data

Add

Data

Buffer

Enhanced

Factory

Program

Setup

BKA or

WA(2)

80h

WA1 D0h

Program/ Verify(3)

≥512

WA1

PD1

WA1 PD2 WA1

PD3

WA1 PD511 WA1 PD512

Exit

NOT

BA1

(4)

FFFFh

WA = Word Address in targeted bank, BKA = Bank Address, PD = Program Data, BA = Block Address, X = Don’t care.

Any address within the bank can be used.

The program/verify phase can be executed any number of times as long as the data is programmed to the same block.

WA1 is the start address, NOT BA1 = Not Block Address of WA1.

Table 10.

Electronic signature codes

Code

Address (h)

Data (h)

Manufacturer code

Bank address + 00

0020

Device code

256 Mbit

Bank address + 01

8818

512 Mbit

8819

1 Gbit

880F

Block

protection

Main block

Locked

Block address + 02

DQ1, DQ0 = 01

Unlocked

DQ1, DQ0 = 00

Locked and Locked-down

DQ1, DQ0 = 11

Unlocked and Locked-down

DQ1, DQ0 = 10

EFA block

Locked

DQ5, DQ4 = 01

Unlocked

DQ5, DQ4 = 00

Locked and Locked-down

DQ5, DQ4 = 11

Unlocked and Locked-down

DQ5, DQ4 = 10

Configuration Register

Bank address + 05

CR(1)

Enhanced Configuration Register

Bank address + 06

ECR(1)

Protection Register PR0

Lock

ST factory default

Bank address + 80

0002

OTP area permanently locked

0000

Protection Register PR0

Bank address + 81

Unique device number

Bank address + 84

Bank address + 85

OTP area

Bank address + 88

Protection Register PR1 through PR16 Lock

Bank address + 89

PRLD(1)

Protection Registers PR1-PR16

Bank address + 8A

OTP area

Bank address + 109

CR = Configuration Register, ECR = Enhanced Configuration Register, PRLD = Protection Register Lock Data.

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