MCP3912 datasheet(61/82 Pages) MICROCHIP

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 2014 Microchip Technology Inc.

DS20005348A-page 61

MCP3912

8.2

MOD Register – Modulators

Output Register

The MOD register contains the most recent modulator

data output and is updated at a DMCLK rate. The

default value corresponds to an equivalent input of 0V

on all ADCs. Each bit in this register corresponds to

one comparator output on one of the channels. Do not

write to this register to ensure the accuracy of each

ADC.

Name

Bits

Address

Cof.

MOD

0x08

R/W

MOD REGISTER

U-0

—

bit 23

bit 16

R/W-0

R/W-1

R/W-0

R/W-1

COMP3_CH3

COMP2_CH3

COMP1_CH3

COMP0_CH3

COMP3_CH2

COMP2_CH2

COMP1_CH2

COMP0_CH2

bit 15

bit 8

R/W-0

R/W-1

R/W-0

R/W-1

COMP3_CH1

COMP2_CH1

COMP1_CH1

COMP0_CH1

COMP3_CH0

COMP2_CH0

COMP1_CH0

COMP0_CH0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 23-16

Unimplemented

: read as 0

bit 15-12

COMPn_CH3

: Comparator Outputs from ADC Channel 3

bit 11-8

COMPn_CH2

: Comparator Outputs from ADC Channel 2

bit 7-4

COMPn_CH1

: Comparator Outputs from ADC Channel 1

bit 3-0

COMPn_CH0

: Comparator Outputs from ADC Channel 0

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