PIC18LF2420-I/SO Microchip Technology, PIC18LF2420-I/SO Datasheet - Page 248
![IC MCU FLASH 8KX16 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18LF2420-I/SO
Manufacturer Part Number
PIC18LF2420-I/SO
Description
IC MCU FLASH 8KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2420-IML.pdf
(412 pages)
2.PIC18F2420-IML.pdf
(16 pages)
3.PIC18F2420-IML.pdf
(8 pages)
4.PIC18F2420-IML.pdf
(6 pages)
5.PIC18F2420-IML.pdf
(8 pages)
6.PIC18F2420-IML.pdf
(4 pages)
7.PIC18F4420-IP.pdf
(390 pages)
Specifications of PIC18LF2420-I/SO
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
28-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
SPI/I2C/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163014, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Package
28SOIC W
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF2420-I/SO
Manufacturer:
MICROCHIP
Quantity:
1 400
- PIC18F2420-IML PDF datasheet
- PIC18F2420-IML PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F4420-IP PDF datasheet #7
- Current page: 248 of 412
- Download datasheet (7Mb)
PIC18F2420/2520/4420/4520
FIGURE 22-3:
22.5
In many applications, the ability to detect a drop below,
or rise above, a particular threshold is desirable. For
example, the HLVD module could be periodically
enabled to detect Universal Serial Bus (USB) attach or
detach. This assumes the device is powered by a lower
voltage source than the USB when detached. An attach
would indicate a high-voltage detect from, for example,
3.3V to 5V (the voltage on USB) and vice versa for a
detach. This feature could save a design a few extra
components and an attach signal (input pin).
For general battery applications, Figure 22-4 shows a
possible voltage curve. Over time, the device voltage
decreases. When the device voltage reaches voltage,
V
The interrupt could cause the execution of an ISR,
which would allow the application to perform “house-
keeping tasks” and perform a controlled shutdown
before the device voltage exits the valid operating
range at T
tion a time window, represented by the difference
between T
DS39631E-page 246
A
, the HLVD logic generates an interrupt at time, T
CASE 1:
CASE 2:
Enable HLVD
Enable HLVD
Applications
A
B
. The HLVD, thus, would give the applica-
and T
HLVDIF
HLVDIF
IRVST
IRVST
V
V
B
DD
DD
, to safely exit.
HIGH-VOLTAGE DETECT OPERATION (VDIRMAG =
HLVDIF may not be set
Internal Reference is Stable
Advance Information
Internal Reference is Stable
T
T
IRVST
IRVST
A
.
HLVDIF cleared in software,
HLVDIF remains set since HLVD condition still exists
FIGURE 22-4:
V
V
A
B
Legend:
HLVDIF Cleared in Software
V
V
1
A
B
)
= HLVD trip point
= Minimum valid device
TYPICAL LOW-VOLTAGE
DETECT APPLICATION
© 2008 Microchip Technology Inc.
operating voltage
Time
HLVDIF Cleared in Software
T
A
V
V
LVD
LVD
T
B
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