MCP19116-ESLASHMJ datasheet(64/246 Pages) MICROCHIP

64 / 246 page

MCP19116/7

DS20005479B-page 64

 2015-2016 Microchip Technology Inc.

9.8

Calibration Word 8

Calibration Word 8 is at memory location 2087h and

contains the calibration bits for the Error Amplifier Offset

Voltage EAOFFCAL<4:0> and for the Current Sense

Amplifier (A2) Gain while configured using the Internal

Feedback Resistor A2GRFBCAL<3:0>. A2 Gain

calibration trim bits set the 10V/V gain of the current

sense amplifier (A2). If the user has configured the

device using the internal Feedback Resistor, the

A2GRFBCAL<3:0> calibration value must be read via

firmware and copied into the A2GCAL Special Function

also read the EAOFFCAL<4:0> values and copy them

into the EAOFFCAL Special Function Register located

in Bank 3 at 19Ch.

CALWD8: CALIBRATION WORD 8 REGISTER

U-0

R/P-1

—

—A2GRFB-

CAL3

A2GRFB-

CAL2

A2GRFB-

CAL1

A2GRFB-

CAL0

bit 13

bit 8

U-0

R/P-1

—

EAOFFCAL4

EAOFFCAL3

EAOFFCAL2

EAOFFCAL1

EAOFFCAL0

bit 7

bit 0

Legend:

R = Readable bit

P = Programmable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 13-12

Unimplemented: Read as ‘0’

bit 11-8

A2GRFBCAL<3:0>: A2 Current Sense Amplifier Gain Calibration bits

bit 7-5

Unimplemented: Read as ‘0’

bit 4-0

EAOFFCAL<4:0>: Error Amplifier Offset Voltage Calibration bits

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