PIC16F18446
The Microchip PIC16F18446 is an reader IC, with 28 KB Flash, 2 KB RAM, 256 bytes EEPROM, operating at 125 kHz, under EM4100 HID Prox compatible (LF RFID reader).
8-bit microcontroller with integrated LF RFID reader functionality for access control applications
Full Specifications
| Manufacturer | Microchip |
|---|---|
| Frequency Category | LF 125 kHz |
| Frequency | 125 kHz |
| Protocol | EM4100, HID Prox compatible (LF RFID reader) |
| Memory | 28 KB Flash, 2 KB RAM, 256 bytes EEPROM |
| Interface | GPIO, I2C, SPI, UART, analog comparators, timers |
| Temperature Range | -40°C to +125°C |
| Form Factor | 28-pin SPDIP, SOIC, SSOP, QFN packages |
| Security | Program memory code protection, data EEPROM protection, write protection |
Engineering Brief
The PIC16F18446 is an 8-bit microcontroller from Microchip's PIC16F family featuring integrated peripherals suitable for building LF RFID reader circuits operating at 125 kHz. It includes configurable logic cells, multiple timers, analog comparators, and communication interfaces that enable direct interfacing with LF antenna coils and demodulation circuits for reading EM4100, HID Prox, and similar low-frequency transponder formats. With 28 KB of program memory and operating across industrial temperature ranges, it provides a cost-effective platform for access control and proximity reader designs without requiring separate RFID reader ICs.
Typical Applications
Standards & Compliance
Frequently Asked Questions
What is the PIC16F18446 used for in RFID systems?
The PIC16F18446 is an 8-bit microcontroller designed to build LF RFID reader circuits. It interfaces with antenna coils and demodulation circuits to read 125 kHz transponders in EM4100 and HID Prox formats, commonly used in access control and proximity readers.
Does the PIC16F18446 have built-in RFID reader hardware?
The PIC16F18446 does not contain a dedicated RFID reader IC, but provides integrated peripherals (analog comparators, timers, configurable logic cells) that enable direct interfacing with LF antenna circuits and demodulation hardware to implement a complete 125 kHz reader solution.
What memory does the PIC16F18446 have?
The PIC16F18446 features 28 KB Flash program memory, 2 KB RAM, and 256 bytes EEPROM. It includes program memory code protection, data EEPROM protection, and write protection features.
Which LF RFID protocols does the PIC16F18446 support?
The PIC16F18446 supports reading EM4100 and HID Prox compatible 125 kHz low-frequency RFID tags when configured with appropriate antenna and demodulation circuits.
What communication interfaces are available on the PIC16F18446?
The PIC16F18446 offers multiple communication interfaces including GPIO, I2C, SPI, and UART, along with analog comparators and timers to support LF RFID reader implementations and system integration.
Can the PIC16F18446 replace a dedicated RFID reader IC?
Yes, the PIC16F18446 can replace separate RFID reader ICs in cost-sensitive 125 kHz applications by using its integrated peripherals to directly interface with LF antenna circuits, reducing BOM cost and component count.
Explore
Cross-manufacturer alternatives
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