ne1618 NXP Semiconductors, ne1618 Datasheet - Page 12
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ne1618
Manufacturer Part Number
ne1618
Description
Temperature Monitor For Microprocessor Systems
Manufacturer
NXP Semiconductors
Datasheet
1.NE1618.pdf
(16 pages)
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Philips Semiconductors
Table 9. SMBus Interface Protocols
2002 Jan 04
Temperature monitor for microprocessor systems
WRITE BYTE FORMAT (To write a data byte to the device register) :
SCL
SDA
SCL
SDA
READ BYTE FORMAT (To read a data byte from the device register):
SCL
SDA
SCL
SDA
RECEIVE BYTE FORMAT (To read a data byte from already pointed register):
SCL
SDA
SEND BYTE FORMAT (To generate a one–shot command) :
SCL
SDA
SMBus INTERFACE PROTOCOLS:
(CONT)
(CONT)
(CONT)
(CONT)
RESTART
(CONT)
(CONT)
S
S
S
S
S
a6
D7
a6
a6
a6
a6
1
1
1
1
1
1
a5
D6
a5
a5
a5
a5
2
2
DATA TO BE WRITTEN TO RGTR
2
2
2
2
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
a4
D5
a4
a4
a4
a4
3
3
3
3
3
3
a3
D4
a3
a3
a3
a3
4
4
4
4
4
4
a2
D3
a2
a2
a2
5
5
5
5
5
a2
5
a1
D2
a1
a1
a1
6
6
6
6
6
a1
6
a0
D1
a0
a0
a0
7
7
7
7
7
a0
7
w
D0
W
R
R
8
8
8
8
8
w
8
A
A
A
A
A
9
9
9
9
9
A
12
9
D7
D7
D7
D7
1
1
1
1
D7
1
DATA FROM DEVICE REGISTER
DATA FROM DEVICE REGISTER
P
DEVICE REGISTER COMMAND
DEVICE REGISTER COMMAND
D6
D6
D6
D6
2
2
2
2
D6
2
ONE–SHOT COMMAND
D5
D5
D5
D5
3
3
3
3
D5
3
D4
D4
D4
D4
4
4
4
4
D4
4
D3
D3
D3
D3
5
5
5
5
D3
5
D2
D2
D2
D2
6
6
6
6
D2
6
D1
D1
D1
D1
7
7
7
7
D1
7
D0
D0
D0
D0
8
8
8
8
D0
8
A
A
NA
NA
9
9
9
9
A
9
(TO NEXT)
(TO NEXT)
P
P
P
NE1618
P
STOP
STOP
STOP
Product data
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