Русский
English
PIC16F1459 Product Overview
The PIC16F1459 is a compact 8-bit microcontroller with integrated USB 2.0 Full-Speed device capability. It targets low-cost USB peripherals and embedded interfaces that need a single-chip controller with Flash, RAM, EEPROM, analog I/O and common control peripherals.
The device can support crystal-free USB designs under the appropriate clocking and Active Clock Tuning conditions, which can reduce BOM and board area. Designers must validate the clock configuration and USB requirements in the official documentation.
This model has a clear use-case SEO advantage: users searching for low-cost USB HID, keypad, bridge or accessory controllers often search directly by PIC16F1459.
Market position Best content angle: niche but high-intent USB traffic. The page should focus on USB Full-Speed device applications, crystal-free design conditions and exact package sourcing. |
PIC16F1459 Key Specifications
Parameter | PIC16F Device Summary |
Architecture | Enhanced mid-range 8-bit PIC MCU |
Maximum CPU / USB clock | Up to 48 MHz system clock for USB operation |
Program Flash | 14 KB |
Data SRAM | 1,024 bytes |
Data EEPROM | 256 bytes |
I/O capability | Up to 18 I/O pins, package/configuration dependent |
USB | USB 2.0 Full-Speed device module |
Analog | 10-bit ADC with up to 9 channels |
Control peripherals | PWM and complementary waveform generation resources |
Low power | XLP low-power features |
Typical packages | 20-pin PDIP, SOIC, SSOP and QFN options |
Official status | In Production as checked on the Microchip product page |
Specifications can vary by device revision, package and full ordering code. Engineers should validate pinout, electrical limits, programming requirements and errata against the latest Microchip documentation before releasing a design.
Why This Device Still Attracts Buyer and Engineer Interest
Integrated USB device function
The MCU can implement USB peripherals without an external USB bridge controller.
Potential crystal-free BOM reduction
Under supported clocking conditions, Active Clock Tuning can remove an external crystal in certain USB applications.
Compact mixed-signal controller
ADC, EEPROM, PWM and digital I/O allow the USB interface and local control functions to share one device.
Typical Applications
USB human-interface devices
Keypads, simple control panels, custom HID devices and button interfaces.
USB-to-embedded bridges
Compact protocol or control bridges where firmware handles both USB and local I/O.
USB-powered accessories
Low-power local control, indicators, sensors and configuration storage.
Service and configuration tools
Embedded products can expose a USB interface for setup, diagnostics or firmware workflows.
Design and Procurement Advantages
• Integrated USB 2.0 Full-Speed device module.
• One kilobyte of RAM supports USB buffering and control firmware.
• EEPROM for identifiers, calibration and user settings.
• 20-pin package options for compact USB products.
Package and Ordering-Code Guidance
USB layout, ESD protection, connector selection and clock configuration are as important as package choice. Confirm the full PIC16F1459 order code and verify the required USB clocking mode before PCB release.
1. Quote the complete orderable part number, not only the base device name.
2. Confirm package, temperature grade, packing method and required compliance documentation.
3. For replacement or migration projects, verify pin compatibility, oscillator behavior, peripheral registers, programming voltage and firmware changes.
4. For production purchases, agree acceptable lot/date-code range and traceability requirements before order confirmation.
Lifecycle and Market Position
Microchip displayed PIC16F1459 as In Production on the review date. Its demand is application-specific and can be commercially attractive because USB buyers tend to have high intent and exact functional requirements.
Alternative and Migration Options
Compare alternatives by USB role, endpoint and buffer needs, clocking, package, firmware stack and local peripheral requirements.
• Other PIC16F145x family members for different memory or pin requirements.
• Microchip AVR USB devices when the development platform favors AVR.
• PIC18 USB MCUs for larger memory or more complex USB applications.
• External USB bridge ICs combined with another MCU when architecture or certification strategy favors separation.
Alternative devices are comparison starting points only. They are not automatically pin-compatible or firmware-compatible, and the final choice must be validated against the complete electrical, mechanical and regulatory requirements.
Sourcing and Quality Checklist
• Confirm manufacturer, complete ordering code and requested quantity.
• Review product status, current PCNs, errata and any customer-specific qualification requirements.
• Specify package condition, moisture-sensitivity handling, packing and labeling requirements.
• Request lot/date-code information and traceability documentation appropriate to the transaction.
• Use incoming inspection and functional or programming verification proportionate to the application risk.
• Avoid approving substitutes solely on price; conduct engineering and quality review first.
Frequently Asked Questions
Does PIC16F1459 support USB host mode?
The device is positioned for USB Full-Speed device applications; do not assume host capability.
Can PIC16F1459 run USB without a crystal?
Supported crystal-free implementations depend on the specified clock source and Active Clock Tuning conditions. Follow the official reference design and datasheet.
What products commonly use PIC16F1459?
USB HID devices, keypads, accessories, configuration interfaces and compact USB control bridges.
What should be included in a PIC16F1459 RFQ?
Provide exact package and temperature suffix, quantity, date-code requirements, packing, destination and traceability expectations.
