ZSSC3281BC3R datasheet(82/107 Pages) RENESAS

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ZSSC3281 Datasheet

Rev. 1.3 FW Ver. 1.4.0

Mar.13.24 R33DS0020ED0100

Page 82

Address:

0x17

0x19

0x1B

ExtTemp1Cfg1

– T1 Sensor setting

ExtTemp2Cfg1

– T2 Sensor setting

ExtTemp3Cfg1

– T3 Sensor setting

Default:

0x0011C5F1

0x00118502

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

Bits

Field Name

Default

Description

23:20

ExtTempBrdgRth

0x1

Rth resistor, applicable depending on ExtTempType setting

0x0:

Open

0x1:

1333 ohms

0x2:

2000 ohms

0x3:

4000 ohms

0x4:

8000 ohms

0x5:

10000 ohms

0x6:

14000 ohms

0x7:

18000 ohms

0x8:

20000 ohms

0x9:

24000 ohms

0xA:

28000 ohms

0xB:

40000 ohms

27:24

ExtTempBrdgRtl

0x0

Rtl resistor, applicable depending on ExtTempType setting

0x0:

Open

0x1:

1333 ohms

0x2:

2000 ohms

0x3:

4000 ohms

0x4:

8000 ohms

0x5:

10000 ohms

0x6:

14000 ohms

0x7:

18000 ohms

0x8:

20000 ohms

0x9:

24000 ohms

0xA:

28000 ohms

0xB:

40000 ohms

Address:

0x18

0x1A

0x1C

ExtTemp1Cfg2

– T1 Sensor setting

ExtTemp2Cfg2

– T2 Sensor setting

ExtTemp3Cfg2

– T3 Sensor setting

Default:

0x00000210

0x00000010

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

Bits

Field Name

Default

Description

4:0

ExtTempPgaOffset

0x10

PGA Offset Shift

0x1:

-1.9 mV

0x2:

-3.8 mV

0x3:

-5.6 mV

0x4:

-7.5 mV

0x5:

-9.4 mV

0x6:

-11.3 mV

0x7:

-13.1 mV

0x8:

-15.0 mV

0x9:

-16.9 mV

0xA:

-18.8 mV

0xB:

-20.6 mV

0xC:

-22.5 mV

0xD:

-24.4 mV

0xE:

-26.2 mV

0xF:

-28.1 mV

0x10:

0mV

0x11:

1.9 mV

0x12:

3.8 mV

0x13:

5.6 mV

0x14:

7.5 mV

0x15:

9.4 mV

0x16:

11.3 mV

0x17:

13.1 mV

0x18:

15.0 mV

0x19:

16.9 mV

0x1A:

18.8 mV

0x1B:

20.6 mV

0x1C:

22.5 mV

0x1D:

24.4 mV

0x1E:

26.2 mV

0x1F:

28.1 mV

8:5

ExtTempBrdgIBias

0x0

External Temp Sensor Supply Current, applicable depending on ExtTempType

setting

0x0:

Open/Off;

0x1:

5 uA

0x2:

10 uA

0x3:

20 uA

0x4:

40 uA

0x5:

80 uA

0x6:

100 uA

0x7:

160 uA

0x8:

200 uA

0x9:

500 uA

0xA:

-20 uA

0xB:

-100 uA

ExtTempAdcEnShift

0x1 @ 0x18

0x0 @ 0x1A

0x0 @ 0x1C

ADC Shift & Gain ×2 Enable, activates ExtTempAdcShift setting

0x0:

ADC Gain ×1, ADC Shift disabled

0x1:

ADC Gain ×2, ADC Shift enabled

11:10

ExtTempBias

0x0

AFE Bias current Setting

0x0:

normal operation

0x3:

reduced AFE bias current

13:12

ExtTempSetTime

0x0

Tx Input Settling Time before ADC conversion starts

0x0:

20 us

0x2:

60 us

0x1:

40 us

0x3:

80 us

ZSSC3281BC3R Datasheet(PDF) 82 Page - Renesas Technology Corp

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