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MT28C3212P2NFL

FLASH AND SRAM COMBO MEMORY

Micron Technology 

2 MEG x 16 PAGE FLASH

128K x 16 SRAM COMBO MEMORY

Table 7

Command State Machine Transition Table (continued)

Command input to the present partition (and next state of the present partition)

2Fh

Lock

down

confirm

01h

Lock

confirm

C0h 60h

OTP Lock/Unlock

setup /Lock down

98h

Read

query

90h

Read

device ID

50h

Clear

status

register

70h

Read

status

B0h

Program

/Erase

suspend

D0h

BE confirm,

P/E resume,

ULB confirm

20h 10h/40h FFh

Erase Program Read

setup setup array

Present state of the present

partition

Data

SR7 when State

read

Mode

Present state

of the other

partition

Program suspend read

array

Program suspend read

array

Program suspend read

array

LB/ULB

Read array

Read array

OTP

setup

Read array

Read array

Read array

OTP

setup

Read array

Lock

Lock

Lock

Lock

Program

suspend

read

query

Program

suspend

read ID

Program

suspend

read

array

Program

suspend

read

status

Program

suspend

read

Program busy

array

Program suspend read

array

1

Array

Read

array

49 Setup

50

Idle

51

Erase

suspend

Program

suspend

read

query

Program

suspend

read ID

Program

suspend

read

array

Program

suspend

read

status

Program

suspend

read

Program busy

array

Program suspend read

array

1

52 Setup

ID

Read ID

Program

suspend

53

Idle

54

Erase

suspend

Program

suspend

read

query

Program

suspend

read ID

Program

suspend

read

array

Program

suspend

read

status

Program

suspend

read

Program busy

array

Program suspend read

array

1

CFI

Read

Query

Erase error

Erase

error

Erase busy

Erase error

1 Status Setup

55 Setup

56

Idle

57

Erase

suspend

58

Idle

Read array

59 Setup

60 Busy

Read

query

Read ID

Read

array

Read

status

Read array

Read array

Erase

setup Program Read 1

setup array

Status Error

Read array

Read array

Erase

61

Idle

62

Erase

suspend

63

Prog.

suspend

64 Setup

65 Busy

Lock

Read

query

Read ID

Read

array

Read

status

Read array

Read array

Erase

Program Read 1 Status Done

setup array

Block erase busy

ES read

status

Read array

Erase busy

0 Status Busy

66

Idle

67

Erase

suspend

68

Prog.

suspend

69

Idle

(continued on next page)

2 Meg x 16 Page Flash 128K x 16 SRAM Combo Memory

MT28C3212P2FL_2.p65 – Rev. 2, Pub. 4/02

18

Micron Technology, Inc., reserves the right to change products or specifications without notice.

©2002, Micron Technology, Inc.

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