STLM75 STMicroelectronics, STLM75 Datasheet - Page 25

• Manufacturer Part Number: STLM75
• Description: Digital Temperature Sensor And Thermal Watchdog
• Manufacturer: STMicroelectronics

3.6
WRITE mode
In this mode the master transmitter transmits to the STLM75 slave receiver. Bus protocol is
shown in
is placed on the bus and indicates to the addressed device that word address will follow and
is to be written to the on-chip address pointer.
These modes are shown in the WRITE mode typical timing diagrams (see
Figure
Figure 12. Typical pointer set followed by an immediate READ from the
Figure 13. Configuration register WRITE
Master
Master
Start
Start
by
Repeat
by
Master
Start
by
1
1
1
1
13, and
1
1
0
0
Figure
0
Address Byte
Address Byte
0
0
Address Byte
configuration register
0
1
1
Figure
1
12. Following the START condition and slave address, a logic '0' (R/W = 0)
A2 A1 A0 R/W
A2 A1 A0 R/W
A2 A1 A0
14).
STLM75
STLM75
R/W
ACK
STLM75
ACK
by
by
9
ACK
9
by
9
0
1
1
0
D7 D6 D5 D4 D3 D2 D1 D0
1
0
0
0
Pointer Byte
0
Pointer Byte
Data Byte
0
0
0
0
0
0
D1 D0
D1 D0
STLM75
STLM75
ACK
STLM75
ACK
No ACK
by
by
9
9
by
9
1
0
Master
0
Cond.
Stop
Configuration Byte
by
0
D4 D3 D2 D1 D0
Figure
STLM75
ACK
by
9
12, and
AI12230
AI12231
Master
Cond.
Stop
25/37
by