Specifications
48 GL-S MirrorBit
®
Family IS29GL_128S_01GS_00_Rev.A February 2015
Data Sheet
5.6.1 Command State Transitions
Notes:
1. State will automatically move to READ state at the completion of the operation.
2. Also known as Erase Suspend/Program Suspend Legacy Method.
Table 5.6 Read Command State Transition
Current State
Command
and Condition
Read
Software
Reset / ASO
Exit
Status
Register Read
Enter
Status
Register Clear
Unlock 1 Blank Check CFI Entry
Address RA xh x555h x555h x555h (SA)555h (SA)55h
Data RD xF0h x70h x71h xAAh x33h x98h
READ
-
READ READ
READSR
(READ)
READ READUL1
-
CFI
Read Protect =
False
BLCK
READSR-(return)------
Table 5.7 Read Unlock Command State Transition
Current
State
Command
and
Condition
Read
Status
Register
Read
Enter
Unlock
2
Word
Program
Entry
Write to
Buffer
Enter
Erase
Enter
ID (Auto-
select)
Entry
SSR
Entry
Lock
Register
Entry
Pass-
word
ASO
Entry
PPB
Entry
PPB
Lock
Entry
DYB
ASO
Entry
Address RA x555h x2AAh x555h (SA)xh x555h (SA)555h (SA)555h x555h x555h x555h x555h x555h
Data RD x70h x55h xA0h x25h x80h x90h x88h x40h x60h xC0h x50h xE0h
READUL1 -
READU
L1
READSR
(READ)
READU
L2
---- - -----
READUL2
Read
Protect =
Tr ue
READU
L2
READSR
(READ)
-
---
CFI
--
PP
-
--
Read
Protect =
False
PG1 WB ER SSR LR PPBLB DYB
Read
Protect =
False and
LR(8) = 0
PPB
Table 5.8 Erase State Command Transition
Current
State
Command
and
Condition
Read
Software
Reset / ASO
Exit
Status
Register
Read Enter
Status
Register
Clear
Unlock 1 Unlock 2
Chip Erase
Start
Sector
Erase Start
Erase
Suspend
Enhanced
Method (2)
Address RA xh x555h x555h x555h x2AAh x555h (SA)xh xh
Data RD xF0h x70h x71h xAAh x55h x10h x30h xB0h
ER - ER -
READSR
(READ)
-ERUL1----
ERUL1 - ERUL1 -
READSR
(READ)
--ERUL2---
ERUL2 - ERUL2 -
READSR
(READ)
- - - CER SER -
CER (1) -CER-
ERSR
(CER)
------
SER (1)
SR(7) = 0
SER
-
ERSR
(SER)
-
----ESR (ES)
SR(7) = 1 READ READ
BLCK (1)
SR(7) = 0
BLCK
-
ERSR
(BLCK)
-
-----
SR(7) = 1 READ READ
ERSR - (return)










