SE95_7
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 2 September 2009
14 of 27
NXP Semiconductors
SE95
Ultra high accuracy digital temperature sensor and thermal watchdog
Fig 8.    Write Tos or Thyst register (2-byte data)
001aad627
1  2    3    4    5    6    7    8    9    1    2    3    4    5    6    7    8    9
D7
SDA (cont.)
SCL (cont.)
D6  D5  D4  D3  D2  D1  D0  A    D7  D6  D5  D4  D3  D2  D1  D0   A
P
1
S
SDA
SCL
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
ms byte data
ls byte data
START
write
device
acknowledge
device
acknowledge
STOP
device
acknowledge
device
acknowledge
Fig 9.    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  A4  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
SDA (cont)
SCL (cont)
RS
001aad628
device address
pointer byte
device address
ms byte from device
ls byte from device
START
RE-START
write
device
acknowledge
device
acknowledge
read
master
acknowledge
master not
acknowledged
device
acknowledge
STOP
Fig 10.  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  A4  D7 D6 D5 D4 D3 D2 D1 D0 NA    P
SDA
SCL
001aad629
device address
ms byte from device
ls byte from device
START
read
master
acknowledge
master not
acknowledged
device
acknowledge
STOP