LM75B
All information provided in this document is subject to legal disclaimers.
?NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 5 22 January 2014
15 of 37
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
Fig 10.   Write Tos or Thyst register (2-byte data)
1  2    3    4    5    6    7    8    9    1    2    3    4    5    6    7    8    9
D7
DA (cont.)
CL (cont.)
D6  D5  D4  D3  D2  D1  D0  A    D7  D6  D5  D4  D3  D2  D1  D0   A
P
1
S
DA
CL
0    0    1   A2  A1  A0   W   A    0    0    0    0    0    0   P1  P0   A    (next)
(next)
1    2    3    4    5    6    7    8    9    1    2    3    4    5    6    7    8    9
device address
pointer byte
MSByte data
LSByte data
START
write
device
acknowledge
device
acknowledge
STOP
device
acknowledge
device
kn wl
Fig 11.   Read Temp, Tos or Thyst register including pointer byte (2-byte data)
1  2   3   4   5   6   7   8   9
1   2   3   4   5   6   7   8   9   1   2   3   4   5   6   7   8   9
1   2   3   4   5   6   7   8   9
1   0   0   1  A2  A1  A0  R   A  D7 D6 D5 D4 D3 D2 D1 D0  A'  D7 D6 D5 D4 D3 D2 D1 D0 NA    P
1   2   3   4   5   6   7   8   9   0
1
S
0   0   1  A2  A1  A0 W  A    0   0   0   0   0   0  P1  P0  A
(next)
(next)
SDA
SCL
DA (cont)
CL (cont)
RS
device address
pointer byte
device address
MSByte from device
LSByte from device
START
RE-START
write
device
acknowledge
device
acknowledge
read
master
acknowledge
master not
acknowledged
device
STOP
Fig 12.   Read Temp, Tos or Thyst register with preset pointer (2-byte data)
1   2   3   4   5   6   7   8   9   1   2   3   4   5   6   7   8   9   1   2   3   4   5   6   7   8   9
1
S
0   0   1  A2  A1  A0  R   A  D7 D6 D5 D4 D3 D2 D1 D0  A'  D7 D6 D5 D4 D3 D2 D1 D0 NA    P
DA
CL
device address
MSByte from device
LSByte from device
START
read
master
acknowledge
master not
acknowledged
device
STOP