tcn75a Microchip Technology Inc., tcn75a Datasheet - Page 20

• Manufacturer Part Number: tcn75a
• Description: 2-wire Serial Temperature Sensor
• Manufacturer: Microchip Technology Inc.

TCN75A
FIGURE 5-5:
(See Section 4.0 “Serial Communication”).
DS21935C-page 20
SDA
SCL
• Writing to the T
• Reading the T
SDA
SCL
SDA
SCL
S
1
1
S
2
0
S
1
1
SET
SET
Address Byte
Timing Diagram for Writing and Reading from the Temperature Limit-set Register
0
3
1
1
2
0
Register to set the temperature limit to 90°C,
Register.
4
1
Address Byte
2
0
3
0
Address Byte
5
A
2
3
0
4
1
A
6
1
4
1
5
A
2
7
A
0
A
5
2
A
6
1
TCN75A
W
8
6
A
1
0
1
A
7
0
TCN75A
A
C
K
A
7
0
2
1
8
R
TCN75A
W
1
0
8
3
0
MSB Data
A
C
K
2
0
A
C
K
4
1
1
0
T
3
0
1
0
1
5
SET
2
1
4
0
2
0
6
0
3
0
Pointer
MSB Data
T
5
0
3
0
SET
7
1
4
1
TCN75A
6
0
4
0
8
0
1
5
Pointer
7
1
5
0
A
C
K
6
0
TCN75A
8
1
6
0
1
0
7
1
<
A
C
K
0101 1010 0000 0000
7
1
2
0
8
0
Master
TCN75A
8
1
3
0
LSB Data
A
C
K
A
C
K
4
0
1
0
Note:
5
0
2
0
6
0
3
© 2006 Microchip Technology Inc.
0
LSB Data
7
0
4
0
It is not necessary to
select
pointer if it was set from
the previous read/write.
(see Section 4.1.1)
TCN75A
8
0
5
0
A
C
K
6
0
>b
P
the
7
0
8
0
Master
N
A
K
register
P