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MCP19124 датащи(PDF) 60 Page - Microchip Technology

номер детали MCP19124
подробное описание детали  Digitally-Enhanced Power Analog Synchronous Low-Side Dual-Loop PWM Controller
PDF  236 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP19124 датащи(HTML) 60 Page - Microchip Technology

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MCP19124/5
DS20005619A-page 60
 2016 Microchip Technology Inc.
9.2
Calibration Word 2
Calibration Word 2 is at memory location 2081h. It
contains the calibration bits for the desaturation
comparator current measurement input offset voltage.
Firmware must read these values and write them into
the DSTCAL register to implement the factory offset
calibration. The factory offset calibration will minimize
offset voltage. The desaturation comparator is one of
the few examples where the user may want to
implement their own offset voltage values. Writing user
defined values to the DSTCAL register provides this
flexibility. Firmware must read these values and copy
into the DSTCAL Special Function Register located in
Bank 3 at 196h to implement factory calibration values.
REGISTER 9-2:
CALWD2: CALIBRATION WORD 2 REGISTER
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
bit 13
bit 8
U-0
U-0
U-0
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
—
—
—
DST4
DST3
DST2
DST1
DST0
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 13-5
Unimplemented: Read as ‘0’
bit 4-0
DST<4:0>: Desaturation Comparator Current Measure Offset Calibration bits
11111
= Maximum negative offset calibration (-30 mV)
•
•
•
10000
= Mid scale (0 mV)
00000
= Mid scale (0 mV)
•
•
•
01111
= Maximum positive offset calibration (+30 mV)



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