Samsung MUXONENAND A-DIE KFM2G16Q2A - Manual (Page 98)

MuxOneNAND2G(KFM2G16Q2A-DEBx)
- 98 -
FLASH MEMORY
MuxOneNAND4G(KFN4G16Q2A-DEBx)
Cache Read Diagram
INT
A/
DQ0
:
A/
D
Q
15
1st
Ad
dress
Ho
st read
s 1st
d
at
a
from
Dat
aRAM
≈
Setting
2nd
A
d
d
res
s
Setting
Co
mma
nd
Setti
ng
3rd
A
ddress
Setting
1)
4t
h
Ad
dress
Setting
Com
m
an
d
Set
tin
g
St
at
u
s
R
ead
St
at
u
s
Read
≈
Host
reads (
n
-2
)th
dat
a from
Dat
aRAM ≈
Co
mm
and
Set
tin
g
Sta
tu
s
Read
Ho
st read
s (n
-1)t
h
d
at
a fr
om
Da
ta
RA
M
≈
Co
mm
an
d
Se
tt
in
g
St
a
tu
s
R
ead
Finish
Ho
st read
s nt
h
da
ta
f
rom
Dat
aRAM
-1st Address Setting
: A
d
dress Set
ting Oper
ation
for first p
age load(
FCBA, F
C
P
A
, FC
S
A
, an
d BSA
).
-2nd~nth Addr
ess Setting : Addr
ess Setting Oper
ation fr
om 2nd~nth p
ag
e load
(FBA and
FP
A).
-Command
S
e
tting :
It con
sist
s of w
riting
0 to Inte
rr
upt r
egister
and writing command to Co
mmand register
.
(In INT
auto mod
e, writing 0 to Inter
rupt r
egister
may be ign
ored)
-S
ta
tus
Read : It consist
s of INT
hig
h st
ate ch
ec
kin
g and Contr
oller
S
tatu
s Re
gister checking step.
-Host rea
d 1st~nth
dat
a fr
om Dat
aRAM :
During this step, H
ost
can r
ead dat
a
from Dat
aRAM by any
read mode
which suppor
ted by Mu
xO
ne
NA
ND
.
-Finish C
ommand Setting : If host wan
t to fin
ish Cache Read
, Host can
finish Cache Read b
y issuing Finish C
ommand.
-Contr
oller
S
tatus Reg
ister S
tatus: Dur
ing C
ach
e Read -
Ong
oing /
Load
E
C
C Err
or dur
ing C
ach
e Read -
Ong
oing /
Load / Err
or
E
C
C Err
or at F
inish Cache Read -
Load / Er
ror
NOTE
:
1)
3rd~nt
h add
ress
can be
set
d
u
ring
I
N
T=low
, and also dur
ing INT=High
, bef
ore
n
e
xt
‘Cache Read Comman
d
’.
INT
A/
D
Q
0:
A/DQ15
(con
t.)
(co
n
t.
)