STCN75M2E STMicroelectronics, STCN75M2E Datasheet - Page 23

• Manufacturer Part Number: STCN75M2E
• Description: IC TEMP SENSOR DIGITAL SO-8
• Manufacturer: STMicroelectronics

Specifications of STCN75M2E

• Featured Product: STM32 Cortex-M3 Companion Products
• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 9 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 0.5°C
• Temperature Sensing Range: -55°C To +125°C
• Supply Current: 125µA
• Supply Voltage Range: 2.7V To 5.5V
• Sensor Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STCN75
3.6
WRITE mode
In this mode the master transmitter transmits to the STCN75 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 11. Typical pointer set followed by an immediate READ from the
Figure 12. Configuration register WRITE
Master
Start
by
1
1
12, and
0
Figure
Address Byte
0
Master
configuration register
Start
Repeat
by
Master
Start
1
Figure 13 on page
by
11. Following the START condition and slave address, a logic '0' (R/W = 0)
1
1
A2 A1 A0 R/W
1
1
0
0
Address Byte
0
Address Byte
0
1
STCN75
1
ACK
A2 A1 A0 R/W
by
A2 A1 A0
9
Doc ID 13307 Rev 8
0
1
24).
0
STCN75
R/W
0
Pointer Byte
STCN75
ACK
by
ACK
9
0
by
9
1
0
0
D7 D6 D5 D4 D3 D2 D1 D0
1
0
0
0
Pointer Byte
D1 D0
Data Byte
0
STCN75
ACK
0
by
9
0
1
0
D1 D0
0
Configuration Byte
STCN75
0
STCN75
ACK
No ACK
by
9
D4 D3 D2 D1 D0
by
Functional description
9
Master
Cond.
Stop
by
Figure
STCN75
ACK
by
9
11, and
AI12230
AI12231
Master
Cond.
23/37
Stop
by