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- PIC18F2221 - Microchip
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Manufacturer:Microchip
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ManyChip's Part#:MC544147903
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RoHS:Lead free / RoHS Compliant
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Datasheet:Datasheet 3D Model
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Description:28/40/44Pin Enhanced Flash Microcontrollers with 10Bit A/D and nanoWatt Technology
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Stock Locations:
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Availability:210 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 0
Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- DEVICE OVERVIEW
- This document contains device specific information for the following devices: This family offers the advantages of all PIC18 micro controllers – namely, high computational performance at an economical price – with the addition of high endurance, Enhanced Flash program memory. On top of these features, the PIC18F4321 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power sensitive applications.
- • PIC18F2221 • PIC18LF2221
- • PIC18F2321 • PIC18LF2321
- • PIC18F4221 • PIC18LF4221
- • PIC18F4321 • PIC18LF4321
- New Core Features
- nanoWatt TECHNOLOGY
- All of the devices in the PIC18F4321 family incorporate a range of features that can significantly reduce power consumption during operation. Key items include:
- • Alternate Run Modes:By clocking the controller from the Timer1 source or the internal oscillator
- block, power consumption during code execution can be reduced by as much as 90%.
- • Multiple Idle Modes:The controller can also run with its CPU core disabled but the peripherals still active. In these states, power consumption can be reduced even further, to as little as 4% of normal operation requirements.
- • On-the-Fly Mode Switching:The power-managed modes are invoked by user code during operation, allowing the user to incorporate power-saving ideas into their application’s software design.
- • Low Consumption in Key Modules: The power requirements for both Timer1 and the Watchdog Timer are minimized. See Section 26.0 “Electrical Characteristics” for values.
- MULTIPLE OSCILLATOR OPTIONS AND FEATURES
- All of the devices in the PIC18F4321 family offer ten different oscillator options, allowing users a wide range of choices in developing application hardware. These include:
- • Four Crystal modes, using crystals or ceramic resonators.
- • Two External Clock modes, offering the option of using two pins (oscillator input and a divide-by-4 clock output) or one pin (oscillator input, with the second pin reassigned as general I/O).
- • Two External RC Oscillator modes with the same pin options as the External Clock modes.
- • Two Internal Oscillator modes which provide an 8 MHz clock and an INTRC source
- (approximately 31 kHz), as well as a range of 6 user-selectable clock frequencies, between
- 125 kHz to 4 MHz, for a total of 8 clock frequencies. One or both of the oscillator pins can be used for general purpose I/O.
- • A Phase Lock Loop (PLL) frequency multiplier, available to both the high-speed crystal and
- internal oscillator modes, which allows clock speeds of up to 40 MHz. Used with the internal
- oscillator, the PLL gives users a complete selection of clock speeds, from 31 kHz to 32 MHz – all
- without using an external crystal or clock circuit. Besides its availability as a clock source, the internal oscillator block provides a stable reference source that gives the family additional features for robust operation:
- • Fail-Safe Clock Monitor:This option constantly monitors the main clock source against a reference signal provided by the internal oscillator. If a clock failure occurs, the controller is switched to the internal oscillator block, allowing for continued low-speed operation or a safe application shutdown.
- • Two-Speed Start-up:This option allows the internal oscillator to serve as the clock source
- from Power-on Reset, or wake-up from Sleep mode, until the primary clock source is available.
PIC18F2221 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Number of Pins | 44 Pin |
| Show | |
| RoHS | RoHS Compliant |
Order guide
-
TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
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- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
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