PIC18F4580-I/ML Microchip Technology, PIC18F4580-I/ML Datasheet - Page 274
PIC18F4580-I/ML
Manufacturer Part Number
PIC18F4580-I/ML
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F4480-IPT.pdf
(490 pages)
4.PIC18F4480-IPT.pdf
(8 pages)
5.PIC18F4480-IPT.pdf
(6 pages)
6.PIC18F4480-IPT.pdf
(6 pages)
Specifications of PIC18F4580-I/ML
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F4480-IPT PDF datasheet #3
- PIC18F4480-IPT PDF datasheet #4
- PIC18F4480-IPT PDF datasheet #5
- PIC18F4480-IPT PDF datasheet #6
- Current page: 274 of 490
- Download datasheet (9Mb)
PIC18F2480/2580/4480/4580
The module is enabled by setting the HLVDEN bit.
Each time that the HLVD module is enabled, the
circuitry requires some time to stabilize. The IRVST bit
is a read-only bit and is used to indicate when the circuit
is stable. The module can only generate an interrupt
after the circuit is stable and IRVST is set.
The VDIRMAG bit determines the overall operation of
the module. When VDIRMAG is cleared, the module
monitors for drops in V
point. When the bit is set, the module monitors for rises
in V
23.1
When the HLVD module is enabled, a comparator uses
an internally generated reference voltage as the set
point. The set point is compared with the trip point
where each node in the resistor divider represents a
trip point voltage. The “trip point” voltage is the voltage
FIGURE 23-1:
DS39637D-page 274
HLVDIN
DD
above the set point.
V
Operation
DD
Externally Generated
Trip Point
HLVDIN
HLVD MODULE BLOCK DIAGRAM (WITH EXTERNAL INPUT)
DD
below a predetermined set
HLVDEN
BOREN
V
DD
HLVDL<3:0>
parator input is multiplexed from the external input pin,
level at which the device detects a high or low-voltage
event, depending on the configuration of the module.
When the supply voltage is equal to the trip point, the
voltage tapped off of the resistor array is equal to the
internal reference voltage generated by the voltage
reference module. The comparator then generates an
interrupt signal by setting the HLVDIF bit.
The trip point voltage is software programmable to any
one of 16 values. The trip point is selected by
programming the HLVDL<3:0> bits (HLVDCON<3:0>).
The HLVD module has an additional feature that allows
the user to supply the trip voltage to the module from an
external source. This mode is enabled when bits,
HLVDL<3:0>, are set to ‘1111’. In this state, the com-
HLVDIN. This gives users flexibility because it allows
them to configure the High/Low-Voltage Detect interrupt
to occur at any voltage in the valid operating range.
Internal Voltage
Reference
HLVDEN
HLVDCON
Register
© 2009 Microchip Technology Inc.
VDIRMAG
HLVDIF
Set
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