Numonyx™ Wireless Flash Memory (W18)
Appendix A Write State Machine States
This table shows the command state transitions based on incoming commands. Only
one partition can be actively programming or erasing at a time.
Figure 40: Write State Machine — Next State Table (Sheet 1 of 2)
C h ip
N e x t S ta te a ft e r C o m m a n d In p u t
E n h a n c e d
F a c to ry
P g m
B E C o n firm ,
C le a r
P r o g ra m
E ra s e
/
R e a d
A rr a y (3
P r o g ra m
E r a s e
S e tu p (4
P /E R e s u m e ,
U L B
R e a d
R e a d
S ta tu s
R e g is te r( 6
C u r r e n t C h ip
S t a t e ( 8 )
)
,5
)
,5 )
S e tu p ( 4
S ta tu s
ID /Q u e r y
)
S u s p e n d
)
(9 )
S e tu p (4
C o n fir m
(F F H )
R e a d y
(1 0 H /4 0 H )
(2 0 H )
(3 0 H )
(D 0 H )
( B 0 H )
( 7 0 H )
(5 0 H )
( 9 0 H , 9 8 H )
P r o g ra m
S e tu p
E ra s e
S e tu p
E F P
R e a d y
R e a d y
S e tu p
L o c k /C R S e tu p
O T P
R e a d y ( L o c k E r ro r)
R e a d y
R e a d y (L o c k E rr o r )
S e tu p
B u s y
O T P B u s y
S e tu p
B u s y
P r o g ra m B u s y
P ro g r a m
P r o g ra m B u s y
P r o g ra m S u s p e n d
R e a d y ( E rr o r )
E r a s e B u s y
P g m S u s p
P r o g ra m B u s y
P ro g r a m S u s p e n d
R e a d y (E r ro r)
E ra s e B u s y
S u s p e n d
S e tu p
B u s y
P g m B u s y
E ra s e B u s y
E r a s e S u s p
E ra s e
P g m in
E ra s e
S u s p e n d
E r a s e
E ra s e S u s p e n d
E ra s e B u s y
E ra s e S u s p e n d
S u s p e n d
S u s p S e tu p
S e tu p
B u s y
P r o g ra m in E r a s e S u s p e n d B u s y
P g m S u s p in
E r a s e S u s p
P ro g r a m in
P r o g ra m in E r a s e S u s p e n d B u s y
P ro g r a m in E ra s e S u s p e n d B u s y
E ra s e S u s p e n d
P g m in E r a s e
S u s p B u s y
S u s p e n d
P r o g ra m S u s p e n d in E r a s e S u s p e n d
P ro g r a m S u s p e n d in E ra s e S u s p e n d
L o c k /C R S e tu p in E r a s e
S u s p e n d
E ra s e S u s p e n d
(L o c k E rro r)
E r a s e S u s p e n d (L o c k E rr o r )
R e a d y ( E rr o r )
E ra s e S u s p
S e tu p
E F P B u s y
R e a d y (E r ro r)
E n h a n c e d
F a c to r y
E F P B u s y (7
)
E F P B u s y
E F P V e rify
P ro g r a m
)
O u tp u t N e x t S t a t e a f t e r C o m m a n d In p u t
P g m S e tu p ,
E ra s e S e tu p ,
O T P S e tu p ,
P g m in E ra s e S u s p S e tu p ,
E F P S e tu p ,
S ta tu s
E F P B u s y ,
V e r ify B u s y
L o c k /C R S e tu p ,
S ta tu s
L o c k /C R S e tu p in E r a s e S u s p
O T P B u s y
S ta tu s
R e a d y ,
P g m B u s y ,
O
u tp u t
A rr a y (3
P g m S u s p e n d ,
E ra s e B u s y ,
)
S ta tu s
O u tp u t d o e s n o t c h a n g e
S ta tu s
d o e s n o t
c h a n g e
ID /Q u e r y
E ra s e S u s p e n d ,
P g m In E ra s e S u s p B u s y ,
P g m S u s p In E r a s e S u s p
Datasheet
86
November 2007
Order Number: 290701-18