ZSSC3240CC1B datasheet(49/64 Pages) RENESAS

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ZSSC3240

Datasheet

Nov.27.20

Page 49

NVM Address

Word/ Bit Range

Default Setting

Description

Notes/ Explanations

Measurement Configuration Register 1 (SM_config1)

14HEX

3:0

0000BIN

Gain_stage1

Gain setting for the 1st PGA stage with Gain_stage1[3:0]:

Parameters are valid for

GainPGA ≤ 192:

Parameters are limited for

GainPGA > 192:

0000 = 1.2

0110 = 30

1011 = 150

0001 = 2

0111 = 40

1100 = 200

0010 = 4

1000 = 60

1101 = 240

0011 = 6

1001 = 80

1110 = 300

0100 = 12

1010 = 120

1111 = Not assigned

0101 = 20

6:4

000BIN

Gain_stage2

Gain setting for the 2nd PGA stage with Gain_stage2[1:0]:

000 = 1.1

100 = 1.5

001 = 1.2

101 = 1.6

010 = 1.3

110 = 1.7

011 = 1.4

111 = 1.8

0BIN

Gain_polarity

Set up the polarity of the sensor bridge’s gain

(invert chopper 1):

0 =

positive (no polarity change)

1 =

negative (180° polarity change)

11:8

0100BIN

adc_bits

Resolution, i.e. absolute number of bits for the ADC with

adc_bits[3:0]:

0000 = 12

0111 = 19

0001 = 13

1000 = 20

0010 = 14

1001 = 21

0011 = 15

1010 = 22

0100 = 16 (default)

1011 = 23

0101 = 17

1100 = 24

0110 = 18

1101 to 1111 = Not assigned

14:12

000BIN

adc_offset

Differential signal’s offset shift in the ADC including gain x2;

compensation of x% signal offset:

000 = 0%, no offset compensation

100 = 25.00% offset

001 = 6.25% offset

101 = 31.25% offset

010 = 12.50% offset

110 = 37.50% offset

011 = 18.75% offset

111 = 44.00% offset

0BIN

sel_ref1

Reference source for main sensor measurement:

0 = Absolute (internal) bandgap is the reference

1 = Ratiometric reference; recommended for

ratiometrically supplied sensors

Measurement Configuration Register 2 (SM_config2)

15HEX

4:0

0 0000BIN

ioffsc

Absolute voltage input shift for input signals to the PG, e.g.

INP-INN

The input signal is shifted by the following voltages:

00000 =

0mV, no shift

00001 =

-1mV

00010 =

-2mV

00011 =

-3mV

…

01110 =

-14mV

01111 =

-15mV

10000 =

0mV, no shift

10001 =

+1mV

10010 =

+2mV

…

11110 =

+14mV

11111 =

+15mV

ZSSC3240CC1B Datasheet(PDF) 49 Page - Renesas Technology Corp

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