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MCP19124 bảng dữ liệu(PDF) 59 Page - Microchip Technology

tên linh kiện MCP19124
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MCP19124 bảng dữ liệu(HTML) 59 Page - Microchip Technology

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 2016 Microchip Technology Inc.
DS20005619A-page 59
MCP19124/5
9.0
DEVICE CALIBRATION
Read-only memory locations 2080h through 208Fh
contain factory calibration data. Refer to Section 20.0
“Flash Program Memory Control” for information on
how to read from these memory locations.
9.1
Calibration Word 1
Calibration Word 1 is at memory location 2080h and
contains the calibration bits for the Transconductance
Gm trim for both the current regulation error amplifier
and the voltage regulation error amplifier. The
CGM<3:0> bits set the trim for the Transconductance
current loop error amp (EA1). The VGM<3:0> bits set
the trim for the transconductance voltage loop error
amplifier (EA2). Firmware must read these values and
copy into the CGMVGMCAL Special Function Register
located in Bank 3 at 197h.
REGISTER 9-1:
CALWD1: CALIBRATION WORD 1 REGISTER
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
bit 13
bit 8
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
CGM3
CGM2
CGM1
CGM0
VGM3
VGM2
VGM1
VGM0
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 13-8
Unimplemented: Read as ‘0’
bit 7-4
CGM<3:0>: Gm Adjust for the Current Error Amplifier (EA1)
bit 3-0
VGM<3:0>: Gm Adjust for the Voltage Error Amplifier (EA2)



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