tcn75 Microchip Technology Inc., tcn75 Datasheet - Page 12

• Manufacturer Part Number: tcn75
• Description: 2-wire Serial Temperature Sensor And Thermal Monitor
• Manufacturer: Microchip Technology Inc.

TCN75
FIGURE 5-1:
DS21490C-page 12
Master
Master
Master
Start
Start
Start
(c) Typical 1-Byte Read From Configuration Register with Preset Pointer
by
by
by
(a) Typical 2-Byte Read From Preset Pointer Location Such as Temp, T OS , T HYST
(b) Typical Pointer Set Followed by Immediate Read for 2-Byte Register Such as Temp, T OS , T HYST
1
1
1
1
1
1
Repeat
Master
0
0
0
Start
by
Address Byte
Address Byte
Address Byte
0
0
0
1 A2 A1 A0
1 A2 A1 A0 R/W
1 A2 A1 A0 R/W
1
1
0
Timing Diagrams
Address Byte
0
1 A2 A1 A0 R/W
R/W
TCN75T
TCN75
TCN75
Ack
Ack
Ack
by
by
by
9
9
9
D7 D6 D5
D7 D6 D5 D4 D3 D2 D1 D0
0
1
1
1
Most Significant Data Byte
0
TCN75
Ack
Pointer Byte
0
by
9
Data Byte
D4
D7 D6 D5 D4 D3 D2 D1 D0
0
1
Most Significant Data Byte
D3 D2 D1 D0
0
0 D1 D0
TCN75
Master
Ack
Ack
by
by
No Ack
9
9
9
Master
by
D7 D6 D5 D4 D3 D2 D1 D0
1
. . . . .
. . . . .
Least Significant Data Byte
Master
Cond
Stop
Master
by
Ack
by
9
D7 D6 D5 D4 D3 D2 D1 D0
1
Least Significant Data Byte
© 2006 Microchip Technology Inc.
No Ack
Master
9
by
Master
Cond
Stop
by
No Ack
Master
9
by
Master
Cond
Stop
by