MT28C3212P2FL Datasheet, PDF (17/47 Pages) Micron Technology – FLASH AND SRAM COMBO MEMORY

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
LB/ULB
Read array
Read array
OTP
setup
Read array
Read array
Read array
OTP
setup
Read array
Read array
Read array
OTP
setup
Read array
Program suspend read
array
Lock
L
LB/ULB
Lock
1 Status Setup
Lock
Read
query
Read ID
Read
array
Read
status
Read array
Read array
Read array
Erase
setup _{Program Read} 1 Status Error
setup array
Read array
Lock
Read array
Lock
Read
query
Read ID
Read
array
Read
status
Read array
Read array
Erase
setup _{Program Read}
1
Status
Lock/
Unlock
setup array
Read array
Program Busy
Program Busy
PS read
Program busy
1 Status Setup
0 Status Busy
28
Any
state
29 Setup
30 Busy
31
Idle
32
Erase
suspend
33
Prog.
suspend
34 Setup
35 Busy
36
Idle
37
Erase
suspend
38
Prog.
suspend
39
Any
state
40
Idle
Lock
Lock
Read array
41 Setup
Program ⁴²
Busy
Read
query
Read ID
Read
array
Read
status
Read array
Read array
Erase
setup _{Program Read}
1
Status Done
setup array
Read array
43
Idle
44
Erase
suspend
45
Prog.
suspend
46 Setup
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
Status
Read
status
Program
suspend
47
Idle
48
Erase
suspend
(continued on next page)
2 Meg x 16 Page Flash 128K x 16 SRAM Combo Memory
MT28C3212P2FL_2.p65 – Rev. 2, Pub. 4/02
17
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