MCP3913 datasheet(59/82 Pages) MICROCHIP

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DS20005227A-page 59

MCP3913

8.1

CHANNEL Registers -

ADC Channel Data

Output Registers

The ADC Channel Data Output registers always

contain the most recent A/D conversion data for each

channel. These registers are read-only. They can be

accessed independently or linked together (with

READ<1:0> bits). These registers are latched when an

ADC read communication occurs. When a data ready

event occurs during a read communication, the most

current ADC data is also latched to avoid data

corruption issues. These registers are updated and

latched together if DR_LINK = 1 synchronously with

the data ready pulse (toggling on the most lagging

ADC channel data ready event).

Name

Bits

Address

Cof.

CHANNEL0

0x00

CHANNEL1

0x01

CHANNEL2

0x02

CHANNEL3

0x03

CHANNEL4

0x04

CHANNEL5

0x05

MCP3913 CHANNEL REGISTERS

R-0

DATA_CHn

<23> (MSB)

DATA_CHn

<22>

DATA_CHn

<21>

DATA_CHn

<20>

DATA_CHn

<19>

DATA_CHn

<18>

DATA_CHn

<17>

DATA_CHn

<16>

bit 23

bit 16

R-0

DATA_CHn

<15>

DATA_CHn

<14>

DATA_CHn

<13>

DATA_CHn

<12>

DATA_CHn

<11>

DATA_CHn

<10>

DATA_CHn

<9>

DATA_CHn

<8>

bit 15

bit 8

R-0

DATA_CHn

<7>

DATA_CHn

<6>

DATA_CHn

<5>

DATA_CHn

<4>

DATA_CHn

<3>

DATA_CHn

<2>

DATA_CHn

<1>

DATA_CHn

<0>

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 23-0

DATA_CHn:

Output code from ADC Channel n. This data is post-calibration if the EN_OFFCAL or

EN_GAINCAL bits are enabled. This data can be formatted in 16-/24-/32-bit modes, depending on the

WIDTH_DATA<1:0> settings. (see Section 5.5 “ADC Output Coding”)

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