PIC18F2420-E/SP Microchip Technology, PIC18F2420-E/SP Datasheet - Page 33
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F2420-E/SP
Manufacturer Part Number
PIC18F2420-E/SP
Description
28 PIN, 16 KB STD FLASH, 3804 RAM, 25 I/O, PB FREE,
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)
Specifications of PIC18F2420-E/SP
Rohs Compliant
YES
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
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2420-E/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- 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
- Current page: 33 of 412
- Download datasheet (7Mb)
2.8
When PRI_IDLE mode is selected, the designated pri-
mary oscillator continues to run without interruption.
For all other power-managed modes, the oscillator
using the OSC1 pin is disabled. The OSC1 pin (and
OSC2 pin, if used by the oscillator) will stop oscillating.
In
SEC_IDLE), the Timer1 oscillator is operating and pro-
viding the device clock. The Timer1 oscillator may also
run in all power-managed modes if required to clock
Timer1 or Timer3.
In internal oscillator modes (RC_RUN and RC_IDLE),
the internal oscillator block provides the device clock
source. The 31 kHz INTRC output can be used directly
to provide the clock and may be enabled to support
various special features, regardless of the power-
managed mode (see Section 23.2 “Watchdog Timer
(WDT)”, Section 23.3 “Two-Speed Start-up” and
Section 23.4 “Fail-Safe Clock Monitor” for more
information on WDT, Fail-Safe Clock Monitor and Two-
Speed Start-up). The INTOSC output at 8 MHz may be
used directly to clock the device or may be divided
down by the postscaler. The INTOSC output is disabled
if the clock is provided directly from the INTRC output.
If Sleep mode is selected, all clock sources are
stopped. Since all the transistor switching currents
have been stopped, Sleep mode achieves the lowest
current consumption of the device (only leakage
currents).
Enabling any on-chip feature that will operate during
Sleep will increase the current consumed during Sleep.
The INTRC is required to support WDT operation. The
Timer1 oscillator may be operating to support a Real-
Time Clock. Other features may be operating that do
TABLE 2-3:
© 2008 Microchip Technology Inc.
RC, INTIO1
RCIO
INTIO2
ECIO
EC
LP, XT and HS
Note:
secondary
OSC Mode
Effects of Power-Managed Modes
on the Various Clock Sources
See Table 4-2 in Section 4.0 “Reset” for time-outs due to Sleep and MCLR Reset.
OSC1 AND OSC2 PIN STATES IN SLEEP MODE
clock
modes
Floating, external resistor should pull high
Floating, external resistor should pull high
Configured as PORTA, bit 7
Floating, pulled by external clock
Floating, pulled by external clock
Feedback inverter disabled at quiescent
voltage level
(SEC_RUN
OSC1 Pin
PIC18F2420/2520/4420/4520
and
not require a device clock source (i.e., MSSP slave,
PSP, INTx pins and others). Peripherals that may add
significant
Section 26.2 “DC Characteristics”.
2.9
Power-up delays are controlled by two timers so that no
external Reset circuitry is required for most applica-
tions. The delays ensure that the device is kept in
Reset until the device power supply is stable under nor-
mal circumstances and the primary clock is operating
and stable. For additional information on power-up
delays, see Section 4.5 “Device Reset Timers”.
The first timer is the Power-up Timer (PWRT), which
provides a fixed delay on power-up (parameter 33,
Table 26-10). It is enabled by clearing (= 0) the
PWRTEN Configuration bit.
The second timer is the Oscillator Start-up Timer
(OST), intended to keep the chip in Reset until the
crystal oscillator is stable (LP, XT and HS modes). The
OST does this by counting 1024 oscillator cycles
before allowing the oscillator to clock the device.
When the HSPLL Oscillator mode is selected, the
device is kept in Reset for an additional 2 ms, following
the HS mode OST delay, so the PLL can lock to the
incoming clock frequency.
There is a delay of interval, T
Table 26-10), following POR, while the controller
becomes ready to execute instructions. This delay runs
concurrently with any other delays. This may be the
only delay that occurs when any of the EC, RC or INTIO
modes are used as the primary clock source.
Power-up Delays
At logic low (clock/4 output)
Configured as PORTA, bit 6
Configured as PORTA, bit 6
Configured as PORTA, bit 6
At logic low (clock/4 output)
Feedback inverter disabled at quiescent
voltage level
current
consumption
OSC2 Pin
CSD
DS39631E-page 31
are
(parameter 38,
listed
in
Related parts for PIC18F2420-E/SP
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PIC18F242-I/SO](/photos/6/59/65909/150-28-soic_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 8KX16 EE A/D 28SOIC
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F242-I/SP](/photos/6/59/65908/150-28-dip_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 8KX16 EE A/D 28DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F242](/images/no-image3.png)
Part Number:
Description:
28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC18F242-E/SO](/photos/6/59/65909/150-28-soic_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 40MHZ 8K FLSH 28SOIC
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F242-E/SP](/photos/6/59/65908/150-28-dip_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 40MHZ 8K FLASH 28DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F24](/images/no-image3.png)
Part Number:
Description:
28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC18F6393T-I/PT](/photos/6/81/68123/c04-066_pf_tmb.jpg)
Part Number:
Description:
PIC18F With 128-segment LCD Driver And 12-bit ADC, 8KB Flash, 768B RAM, CCP, MSS
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F6493T-I/PT](/photos/6/81/68123/c04-066_pf_tmb.jpg)
Part Number:
Description:
PIC18F With 128-segment LCD Driver And 12-bit ADC, 16KB Flash, 768B RAM, CCP, MS
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F8393T-I/PT](/images/manufacturer_photos/0/4/439/microchip_technology_tmb.jpg)
Part Number:
Description:
PIC18F With 192-segment LCD Driver And 12-bit ADC, 8KB Flash, 768B RAM, CCP, MSS
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F8493T-I/PT](/images/manufacturer_photos/0/4/439/microchip_technology_tmb.jpg)
Part Number:
Description:
PIC18F With 192-segment LCD Driver And 12-bit ADC, 16KB Flash, 768B RAM, CCP, MS
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F6585-I/L](/photos/16/12/161282/68-plcc-large-300dpi-lyrd_tmb.jpg)
Part Number:
Description:
Microcontrollers (MCU) 48KB 3328 RAM 52 I/O
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F6680-I/L](/photos/16/12/161282/68-plcc-large-300dpi-lyrd_tmb.jpg)
Part Number:
Description:
Microcontrollers (MCU) 64KB 3328 RAM 52 I/O
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F65K90T-I/MR](/photos/16/3/160368/qfn64_tmb.jpg)
Part Number:
Description:
32kB Flash, 2kB RAM, 1kB EE, NanoWatt XLP, LCD 64 QFN 9x9x0.9mm T/R
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F65K90T-I/PT](/photos/16/3/160367/tqfp-64_tmb.jpg)
Part Number:
Description:
32kB Flash, 2kB RAM, 1kB EE, NanoWatt XLP, LCD 64 TQFP 10x10x1mm T/R
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F87K90T-I/PT](/photos/40/31/403173/tqfp-80_tmb.jpg)
Part Number:
Description:
128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm T/
Manufacturer:
Microchip Technology
Datasheet: