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OPTION_REG Folha de dados(PDF) 35 Page - Microchip Technology

Nome de Peças OPTION_REG
Descrição Electrónicos  Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver
PDF  222 Pages
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Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

OPTION_REG Folha de dados(HTML) 35 Page - Microchip Technology

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 2013 Microchip Technology Inc.
DS22331A-page 35
MCP19111
6.0
CONFIGURING THE MCP19111
The MCP19111 is an analog controller with digital
peripheral. This means that device configuration is
handled through register settings instead of adding
external components. The following sections detail how
to set the analog control registers.
6.1
Input Under Voltage Lockout
The VINLVL register contains the digital value that sets
the input under voltage lockout. When the input voltage
on the VIN pin to the MCP19111 is below this pro-
grammed level, the INTCON<VINIF> flag will be set.
This bit is automatically cleared when the MCP19111
VIN voltage rises above this programmed level.
The VINLVL<UVLOEN> bit must be set to enable the
input under voltage lockout circuitry.
Note:
The VINIF interrupt flag bit is set when an
interrupt condition occurs, regardless of
the state of its corresponding enable bit or
the Global Enable bit, GIE, of the INTCON
register.
REGISTER 6-1:
VINLVL: INPUT UNDER VOLTAGE LOCKOUT CONTROL REGISTER
R/W-0
U-0
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
UVLOEN
—
UVLO5
UVLO4
UVLO3
UVLO2
UVLO1
UVLO0
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 7
UVLOEN: Under Voltage Lockout DAC Control bit
1
= Under Voltage Lockout DAC is enabled
0
= Under Voltage Lockout DAC is disabled
bit 6
Unimplemented: Read as ‘0’
bit 5-0
UVLO<5:0>: Under Voltage Lockout Configuration bits
UVLO<5:0>
= 26.5*ln(UVLOSET_POINT/4)



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