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PIC24FJ128GA310 데이터시트(PDF) 331 Page - Microchip Technology

부품명 PIC24FJ128GA310
상세설명  64/80/100-Pin, General Purpose, 16-Bit Flash Microcontrollers with LCD Controller and nanoWatt XLP Technology
PDF  406 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC24FJ128GA310 데이터시트(HTML) 331 Page - Microchip Technology

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 2010-2011 Microchip Technology Inc.
DS39996F-page 331
PIC24FJ128GA310 FAMILY
28.0
HIGH/LOW-VOLTAGE DETECT
(HLVD)
The High/Low-Voltage Detect (HLVD) module is a
programmable circuit that allows the user to specify
both the device voltage trip point and the direction of
change.
An interrupt flag is set if the device experiences an
excursion past the trip point in the direction of change.
If the interrupt is enabled, the program execution will
branch to the interrupt vector address and the software
can then respond to the interrupt.
The HLVD Control register (see Register 28-1)
completely controls the operation of the HLVD module.
This allows the circuitry to be “turned off” by the user
under software control, which minimizes the current
consumption for the device.
FIGURE 28-1:
HIGH/LOW-VOLTAGE DETECT (HLVD) MODULE BLOCK DIAGRAM
Note:
This data sheet summarizes the features
of this group of PIC24F devices. It is not
intended
to
be
a
comprehensive
reference source. For more information
on the High/Low-Voltage Detect, refer to
the “PIC24F Family Reference Manual”,
Section 36. “High-Level Integration
with Programmable High/Low-Voltage
Detect (HLVD)”
(DS39725).
Set
VDD
HLVDEN
HLVDL<3:0>
LVDIN
VDD
Externally Generated
Trip Point
HLVDIF
HLVDEN
Band Gap
VDIR
1.2V Typical



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