TCN75 データシートの表示（PDF） - TelCom Semiconductor Inc => Microchip

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TCN75

2-WIRE SERIAL TEMPERATURE SENSOR AND THERMAL MONITOR

TelCom Semiconductor Inc => Microchip 

2-WIRE SERIAL TEMPERATURE

SENSOR AND THERMAL MONITOR

PRELIMINARY INFORMATION

TCN75

REGISTER SET AND PROGRAMMER'S MODEL

Register (POINT), 8-bits, Write-only

Pointer Register (POINT)

D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0]

Must Be Set To Zero

Pointer

Register Selection via the Pointer Register:

D1

D0

Register Selection

0

0

TEMP

0

1

CONFIG

1

0

THYST

1

1

TSET

Configuration Register (CONFIG), 8-bits,

Read/Write

Configuration Register (CONFIG)

D[7] D[6] D[5] D[4] D[3] D[2]

D[1] D[0]

Must Be Set To Zero Fault INT/CMPTR. COMP/ Shut-

Queue POLARITY INT. Down

D0: Shutdown: 0 = Normal Operation

1 = Shutdown Mode

D1: CMPTR/INT: 0 = Comparator Mode

1 = Interrupt Mode

D2: INT/CMPTR POLARITY: 0 = Active Low

1 = Active High

D3 - D4: Fault Queue: Number of sequential temperature-

to-digital conversions with the same result before the

INT/CMPTR output is updated:

D4

D3

Number of Conversions

0

0

1 (Power-up-default)

0

1

2

1

0

4

1

1

6

TCN75-04 6/16/97

7

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