2)
Up-
load
ing
matrix f
or t
he h
ost
S
T
A
T
E
Init
ial
A
fter s
ending ID E
N
Q
A
ft
er
s
endi
ng
te
x
t
E
V
E
NT
0
1
2
ENQ
—
—
—
A
C
K
—
S
ends
t
e
x
t and
goes
to 2.
S
ends
E
O
T
and goes
t
o
3.
NA
K
—
—
Res
ends
the tex
t
and then goes
t
o
2.
If
the hos
t has
res
ent
t
he
te
x
t two t
imes
,
it
goes
t
o
0.
(E
RRO
R
E
ND)
EO
T
—
—
T
he hos
t goes
to
0.
(E
RRO
R
E
ND)
TE
X
T
—
—
—
TI
ME
-U
P
—
Res
ends
I
D
E
N
Q
and then goes
t
o
1.
If
t
he
hos
t
has
res
ent ID E
NQ two t
imes
,
it
goes
t
o
0.
(E
RROR E
ND)
Res
ends
the tex
t
and then goes
t
o
2.
If
the hos
t has
res
ent
t
he
te
x
t two t
imes
,
it
goes
t
o
0.
(E
RRO
R
E
ND)
KEY E
N
T
R
Y
S
ends
I
D
E
N
Q
and
goes
t
o
1
.
—
—
T
im
e-up:
O
ne s
e
c
ond
a
ft
er s
endi
ng of
I
D
E
N
Q
.
F
our s
e
c
onds
aft
er s
endi
ng of
t
e
x
t.
S
T
A
T
E
A
ft
er
s
endi
ng
E
O
T
A
ft
er
s
endi
ng
A
C
K
A
fter
s
ending
NA
K
E
V
E
NT
3
4
5
ENQ
S
ends
A
C
K
and
goes
to
4.
A
ft
er the hos
t has
rec
eiv
ed E
N
Q
, res
ends
A
C
K
and goes
to
4.
A
ft
er
the
hos
t
has
rec
eiv
ed T
E
X
T
, ignores
the E
NQ.
—
AC
K
—
—
—
NA
K
—
—
—
EO
T
The hos
t goes
t
o
0
(E
RROR E
ND)
A
ft
er
the
hos
t
has
rec
eiv
ed T
E
X
T
, goes
t
o
0.
(Normal
end)
A
ft
er t
he hos
t has
rec
eiv
ed
E
NQ,
goes
to
0.(E
R
R
O
R E
N
D
)
T
he hos
t goes
to
0.
(E
RRO
R
E
ND)
TE
X
T
—
The hos
t c
hec
k
s
t
he
te
x
t bl
oc
k
, i
f t
he bloc
k
i
s
c
orrec
t,
the
hos
t
s
ends
A
C
K
and
goes
to
4.
If
i
t i
s
not c
orrec
t,
t
he
hos
t
s
ends
NA
K
and goes
t
o
5.
If
trans
m
is
s
ion c
annot be c
onti
nued, t
he hos
t s
ends
E
O
T
and goes
to
0.
T
he
hos
t
c
hec
k
s
t
he
c
hec
k
s
the
tex
t bl
oc
k
,
if
t
he
bl
oc
k
i
s
c
orrec
t,
the hos
t s
ends
A
C
K
and
goes
to 4.
If
i
t
is
not
c
orrec
t,
the hos
t s
ends
NA
K
and
goes
to 5.
If
trans
m
is
s
ion
c
annot
be c
ont
inued,
the hos
t
s
ends
E
O
T
and goes
t
o
0.
(E
RRO
R
E
ND)
TI
ME
-U
P
Res
ends
E
O
T
and
goes
to 3.
If
t
he
hos
t
has
res
ent the E
O
T
t
wo
ti
m
e
s
, i
t
goes
to 0.
(E
RROR E
ND)
The hos
t goes
t
o
0.
(E
RROR E
ND)
Ti
me-up i
s
7
s
e
c
onds
T
he hos
t goes
to
0.
(E
RRO
R
E
ND)
T
im
e-up i
s
7
s
e
c
onds
KEY ENTR
Y
—
—
—
T
im
e-up:
T
wo s
e
c
ond
a
ft
er s
endi
ng of
E
O
T
.
Содержание ER-A570
Страница 62: ...13 PWB layout 1 Parts side 4 19 ...
Страница 63: ...2 Solder side 4 20 ...
Страница 73: ...7 PWB layout 4 30 ...