Freescale Semiconductor MPC8260 - Manual (Page 1121)

Inverse Multiplexing for ATM (IMA)
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
Freescale Semiconductor 33-19
Cel
l Re
ce
pti
on T
a
sk
-
E
a
c
h
I
M
A
L
in
k
fo
llo
w
s
a
Fo
u
r-
S
ta
te
M
a
c
h
in
e
-
R
e
c
e
iv
e
d
I
C
P C
e
ll
(
A
A
L
0
s
p
ec
if
ic
c
han
ne
l) ar
e pr
oc
es
s
e
d b
y
t
h
e
d
riv
er t
o
c
o
n
tr
o
l t
h
e
S
tat
e M
a
c
h
ine
-
A
c
c
o
rd
ing
t
o
t
h
e Li
nk
’s
s
tat
e,
t
h
e M
ic
ro
c
o
d
e
e
x
e
c
ut
es
dif
fe
re
n
t T
a
s
k
s
Group
Una
s
s
ig
ned
L
in
k
I
F
SM
Un
syn
ch
ro
n
ize
d
L
in
k
De
la
y Un
syn
ch
ro
n
iz
e
d
No Li
nk
De
fe
c
t
IR
LCNTL.
G
A
=
1
(
S
et
b
y
t
he
dr
iv
er
)
Mi
cr
ocode A
c
ti
on
s
- scr
een i
n
com
ing cel
ls
- k
eep onl
y I
C
P cel
ls
, di
s
c
ar
d ot
he
r cel
ls
C
onfi
gur
ati
on
to re
ach to
move t
o
next
state
- G
roup
& L
in
k
i
n
it
ia
liz
ed
by
t
he
dr
iv
er
ba
sed
on
th
e I
C
P
cont
ent
(
L
ink
’s
M
v
a
lu
e
,
IC
P
- scr
een i
n
com
ing cel
ls
- sear
ch f
o
r one I
C
P ce
ll
- lo
o
k
f
o
r
s
e
v
e
ra
l lC
P
c
e
lls
in
e
x
p
e
c
te
d
- I
M
A F
ram
e
Seq
uence
Num
b
e
r V
a
lidat
io
n
IF
SW
I
N
T g
ener
at
ed
(I
M
A
_e
v
e
nt
) t
o
t
h
e dr
iv
e
r
-
dat
a A
T
M
c
e
ll
re
c
ept
io
n en
ab
le
- “
N
e
w
G
roup Li
nk Del
a
y Sync
hr
o
Al
go”
O
R
-
“A
dde
d L
ink
Del
a
y
Sy
nchr
o
Al
go
”
IG
RST
A
TE.
G
DSS=
1
(a
ll l
in
ks of
t
he G
roup
- G
roup ach
ie
v
es del
a
y
sy
nchr
oni
zat
ion
ei
th
e
r
G
D
S
I
N
T i
n
cas
e
o
f
G
roup
St
ar
t Up
Pr
oc
edur
e o
r
L
D
S
I
N
T i
n
case of
a
dded Li
nk
Set
Rx Li
nks
/G
roups t
o
act
iv
e
m
o
de
fr
am
e f
o
rm
at
)
po
si
ti
on
gener
at
ed t
he I
F
SW
I
N
T)