M58LR128HT datasheet(31/112 Pages) STMICROELECTRONICS

31 / 112 page

M58LR128HT, M58LR128HB

Command interface

31/112

Table 6.

Factory commands

Command

Phase

Bus Write Operations(1)

WA = Word Address in targeted bank, BKA = Bank Address, PD =Program Data, BA = Block Address, X =

Don’t Care.

1st

2nd

3rd

Final -1

Final

Add

Data

Add Data Add Data

Add

Data

Add

Data

Blank

Check

BCh

CBh

Buffer

Enhanced

Factory

Program

Setup

BKA or

WA(2)

Any address within the bank can be used.

80h

WA1 D0h

Program/

Verify(3)

The Program/Verify phase can be executed any number of times as long as the data is to be programmed

to the same block.

≥32

WA1

PD1 WA1 PD2 WA1 PD3

WA1 PD31 WA1 PD32

Exit

NOT

BA1

(4)

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

Table 7.

Electronic Signature codes

Code

Address (h)

Data (h)

Manufacturer Code

Bank Address + 00

0020

Device Code

Top

Bank Address + 01

88C4 (M58LR128HT)

Bottom

Bank Address + 01

88C5 (M58LR128HB)

Block Protection

Locked

Block Address + 02

0001

Unlocked

0000

Locked and Locked-Down

0003

Unlocked and Locked-Down

0002

Configuration Register

Bank Address + 05

CR(1)

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

Protection Register

PR0 Lock

ST Factory Default

Bank Address + 80

0002

OTP Area Permanently

Locked

0000

Protection Register PR0

Bank Address + 81

Bank Address + 84

Unique Device Number

Bank Address + 85

Bank Address + 88

OTP Area

Protection Register PR1 through PR16 Lock

Bank Address + 89

PRLD(1)

Protection Registers PR1-PR16

Bank Address + 8A

Bank Address + 109

OTP Area

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