Rainbow Electronics DS75LV - Manual (Page 12)

DS75LV: Digital Thermometer and Thermostat
12 of 13
Figure 9. 2-Wire Interface Timing
(D
S75LV)
(D
S
75LV)
A
D2
D6
D5
D
4
D3
D1
D0
A0
WA
A1
0
00
0
0
00
1A
D
7
A2
b
) W
ri
te to
th
e C
o
nf
igu
ra
tio
n R
egister
S1
1
00
Addr
es
s By
te
ST
AR
T
SC
L
SD
A
AC
K
Po
inter
By
te
P
D
ata By
te
(f
ro
m
M
as
te
r)
ST
OP
AC
K
AC
K
(D
S75L
V)
(D
S75LV)
(D
S
75LV)
A
D2
D6
D5
D
4
D3
D1
D0
A0
WA
A1
0
00
0
0
00
1
0
00
0
0
00
1A
D
7
A2
b
) W
ri
te to
th
e C
o
nf
igu
ra
tio
n R
egister
S1
1
00
Addr
es
s By
te
ST
AR
T
SC
L
SD
A
AC
K
Po
inter
By
te
P
D
ata By
te
(f
ro
m
M
as
te
r)
ST
OP
AC
K
AC
K
(D
S75L
V)
c)
W
rite t
o
t
h
e T
OS
or
T
HYS
T
R
egist
er
A2
A1
A0
SC
L
SD
A
S
1
1
0
0
W
A
Add
ress By
te
ST
AR
T
AC
K
(D
S75
LV)
A
0
0
00
0
0
P1
P0
Poin
te
r By
te
AC
K
(D
S75L
V)
D4
D6
D5
D3
D2
D
0
D7
D
6
D5
D4
D3
D2
D1
D0
D7
A
D1
P
LS
D
ata
B
yt
e
(f
ro
m
M
as
te
r)
A
M
S
D
ata
B
yt
e
(f
ro
m
M
ast
er
)
ST
O
P
AC
K
(D
S75
LV)
AC
K
(D
S75L
V)
c)
W
rite t
o
t
h
e T
OS
or
T
HYS
T
R
egist
er
A2
A1
A0
SC
L
SD
A
S
1
1
0
0
W
A
Add
ress By
te
ST
AR
T
AC
K
(D
S75
LV)
A
0
0
00
0
0
P1
P0
0
0
00
0
0
P1
P0
Poin
te
r By
te
AC
K
(D
S75L
V)
D4
D6
D5
D3
D2
D
0
D7
D
6
D5
D4
D3
D2
D1
D0
D7
A
D1
P
LS
D
ata
B
yt
e
(f
ro
m
M
as
te
r)
A
M
S
D
ata
B
yt
e
(f
ro
m
M
ast
er
)
ST
O
P
AC
K
(D
S75
LV)
AC
K
(D
S75L
V)
d
) R
ead S
in
g
le B
yte (
n
ew
p
o
int
er
locat
ion
)
(D
S75L
V)
ST
AR
T
(f
ro
m
DS
75
LV
)
(M
as
te
r)
(D
S75
LV )
(D
S7
5LV)
N
A0
S1
1
0
0
A2
A1
A0
W
00
0
A
0
0D
6
D
5
D4
D3
D2
D1
D0
P
D7
S1
1
00
A2
A1
A0
RA
AC
K
Re
peat
SC
L
SD
A
Ad
dr
ess By
te
ST
AR
T
Poi
nt
er
By
te
D
ata By
te
ST
O
P
NA
CK
Addr
es
s By
te
AC
K
AC
K
P1
P0
N
A0
S1
1
0
0
A2
A1
A0
W
00
0
A
0
0D
6
D
5
D4
D3
D2
D1
D0
P
D7
S1
1
00
A2
A1
A0
RA
AC
K
Re
peat
SC
L
SD
A
Ad
dr
ess By
te
ST
AR
T
Poi
nt
er
By
te
D
ata By
te
ST
O
P
NA
CK
Addr
es
s By
te
AC
K
AC
K
P1
P0
P1
P0
S
e)
R
ead
Fr
o
m
t
h
e C
o
n
fig
u
ratio
n R
egist
er
(cu
rr
ent
po
int
er
locatio
n
)
SC
L
SD
A
ST
AR
T
N
D6
D5
D4
D3
D2
D1
D
0
P
D7
1
1
00
A2
A1
A0
RA
D
ata By
te
(f
ro
m
DS
75
LV
)
ST
O
P
NA
C
K
(M
as
te
r)
Add
ress By
te
AC
K
(D
S7
5LV)
S
e)
R
ead
Fr
o
m
t
h
e C
o
n
fig
u
ratio
n R
egist
er
(cu
rr
ent
po
int
er
locatio
n
)
SC
L
SD
A
ST
AR
T
N
D6
D5
D4
D3
D2
D1
D
0
P
D7
1
1
00
A2
A1
A0
RA
D
ata By
te
(f
ro
m
DS
75
LV
)
ST
O
P
NA
C
K
(M
as
te
r)
Add
ress By
te
AC
K
(D
S7
5LV)
N
D6
D5
D4
D3
D2
D1
D
0
P
D7
1
1
00
A2
A1
A0
RA
D
ata By
te
(f
ro
m
DS
75
LV
)
ST
O
P
NA
C
K
(M
as
te
r)
Add
ress By
te
AC
K
(D
S7
5LV)
S
a) R
ead 2-
B
yt
es Fr
o
m
t
h
e T
emper
at
ur
e, T
OS
or
T
HYST
R
egist
er (cu
rrent
po
int
er
locatio
n
)
SC
L
SD
A
ST
AR
T
A
D6
D
5
D4
D3
D2
D1
D
0
D7
1
1
0
0
A2
A1
A0
RA
M
S
Data By
te
(f
ro
m
DS
75
LV
)
AC
K
(M
as
te
r)
Addr
ess By
te
AC
K
(D
S7
5LV)
N
D
6
D5
D4
D3
D2
D
1
D0
P
D7
LS
D
ata
By
te
(f
ro
m
D
S
75
LV
)
ST
O
P
NA
CK
(M
as
te
r)
S
a) R
ead 2-
B
yt
es Fr
o
m
t
h
e T
emper
at
ur
e, T
OS
or
T
HYST
R
egist
er (cu
rrent
po
int
er
locatio
n
)
SC
L
SD
A
ST
AR
T
A
D6
D
5
D4
D3
D2
D1
D
0
D7
1
1
0
0
A2
A1
A0
RA
M
S
Data By
te
(f
ro
m
DS
75
LV
)
AC
K
(M
as
te
r)
Addr
ess By
te
AC
K
(D
S7
5LV)
N
D
6
D5
D4
D3
D2
D
1
D0
P
D7
LS
D
ata
By
te
(f
ro
m
D
S
75
LV
)
ST
O
P
NA
CK
(M
as
te
r)