PCT2075DP/Q900 查看數據表（PDF） - NXP Semiconductors.

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PCT2075DP/Q900

I2C-bus Fm+, 1 degree C accuracy, digital temperature sensor and thermal watchdog

NXP Semiconductors. 

NXP Semiconductors

PCT2075

I2C-bus Fm+ digital temperature sensor and thermal watchdog

Table 5.

No.

24

25

26

27

PCT2075 address table (SO8, TSSOP8, HWSON8 packages) …continued

Address pin coding

Slave address

A2

A1

A0

1

1

floating 0101 111

0

floating

floating 0110 101

1

floating

floating 0110 110

floating

floating

floating 0110 111

Table 6.

No.

1

2

3

PCT2075 address table (TSOP6 package)

Address pin coding Slave address

A0

float

1001 000

0

1001 001

1

1001 010

7.4 Register list

The PCT2075 contains four data registers beside the pointer register as listed in Table 7.

The pointer value, read/write capability and default content at power-up of the registers

are also shown in Table 7.

Table 7. Register table

Register Pointer R/W

name value

Conf

01h

R/W

Temp 00h

read only

Tos

03h

R/W

Thyst 02h

R/W

Tidle

04h

R/W

POR

state

00h

0000h

5000h

4B00h

00h

Description

Configuration register: contains a single 8-bit data

byte; to set the device operating condition; default = 0.

Temperature register: contains two 8-bit data bytes;

to store the measured Temp data.

Overtemperature shutdown threshold register:

contains two 8-bit data bytes; to store the

overtemperature shutdown Tots limit; default = 80 C.

Hysteresis register: contains two 8-bit data bytes;

to store the hysteresis Thys limit; default = 75 C.

Temperature conversion cycle default to 100 ms.

PCT2075

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 7 — 6 March 2014

© NXP Semiconductors N.V. 2014. All rights reserved.

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