SA56004X Datasheet, PDF (18/23 Pages) NXP Semiconductors – 1 Degrees Celcious accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with over temperature alarms

Philips Semiconductors
±1 °C accurate, SMBus-compatible, 8-pin, remote/local
digital temperature sensor with over temperature alarms
Product data sheet
SA56004X
WRITE BYTE FORMAT (To write a data byte to the device register) :
SCLK
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SDATA
a6 a5 a4 a3 a2 a1 a0
D7 D6 D5 D4 D3 D2 D1 D0
S
WA
A
DEVICE ADDRESS
DEVICE REGISTER COMMAND
(TO NEXT)
(TO NEXT)
SCLK
(CONT)
1
2
3
4
5
6
7
8
9
SDATA
(CONT)
D7 D6 D5 D4 D3 D2 D1 D0
A
P
DATA TO BE WRITTEN TO RGTR
READ BYTE FORMAT (To read a data byte from the device register) :
SCLK
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
(TO NEXT)
SDATA
a6 a5 a4 a3 a2 a1 a0
D7 D6 D5 D4 D3 D2 D1 D0
(TO NEXT)
S
WA
A
P
DEVICE ADDRESS
DEVICE REGISTER COMMAND
STOP
SCLK (CONT)
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SDATA (CONT)
a6 a5 a4 a3 a2 a1 a0
D7 D6 D5 D4 D3 D2 D1 D0
S
RA
NA P
RESTART
DEVICE ADDRESS
DATA FROM DEVICE REGISTER
STOP
RECEIVE BYTE FORMAT (To read a data byte from already pointed register) :
SCLK (CONT)
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SDATA (CONT)
a6 a5 a4 a3 a2 a1 a0
D7 D6 D5 D4 D3 D2 D1 D0
S
RA
NA P
RESTART
DEVICE ADDRESS
DATA FROM DEVICE REGISTER
SEND BYTE FORMAT:
SCLK
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SDATA
a6 a5 a4 a3 a2 a1 a0
D7 D6 D5 D4 D3 D2 D1 D0
S
WA
A
P
DEVICE ADDRESS
DEVICE REGISTER COMMAND
STOP
Figure 17. SMBus interface protocols.
SL02016
2004 Oct 06
18