MCP3564 datasheet(91/108 Pages) MICROCHIP

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DS20006181C-page 91

MCP3561/2/4

8.10

OFFSETCAL Register

8.11

GAINCAL Register

Name

Bits

Address

Cof

OFFSETCAL

0x9

R/W

OFFSETCAL: OFFSET CALIBRATION REGISTER

R/W-0

OFFSETCAL[23:0]

bit 23

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

OFFSETCAL[23:0]: Offset Error Digital Calibration Code (two’s complement, MSb first coding)

See Section 5.12 “Digital System Offset and Gain Calibrations”.

Name

Bits

Address

Cof

GAINCAL

0xA

R/W

GAINCAL: GAIN CALIBRATION REGISTER

R/W-1

R/W-0

GAINCAL[23:0]

bit 23

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

GAINCAL[23:0]: Gain Error Digital Calibration Code (unsigned, MSb first coding)

The GAINCAL default value is 800000, which provides a gain of 1x. See Section 5.12 “Digital

System Offset and Gain Calibrations”.

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