The low-cost KeeLoq 3 Development Kit is designed to help engineers get up to speed quickly using PIC® microcontrollers (MCUs), and provides everything needed to program, debug, and develop secure authentication applications for a variety of markets such as security systems (keypads, remote sensors and access control); remote keyless entry (automotive) and authentication (identity and property) applications. See the product site for more information.
PIC® MCU with KEELOQ® Cryptographic Peripheral— Optimized for Battery-Powered Applications
New PIC® Microcontrollers Combine Data Transmission Security with Power Management
PIC12F635 and PIC16F636 microcontrollers feature a combination of a new KEELOQ® peripheral, low power consumption via nanoWatt Technology and reliable battery-powered operation to provide a total solution for secure data transmission and authentication applications.
Designers of remotely controlled security systems and authentication products are encountering the need for an integrated solution that provides control of system power consumption and ensures reliable battery-powered operation. The new PIC12F635 and PIC16F636 microcontrollers meet these needs by providing engineers with the KEELOQ cryptographic peripheral, nanoWatt Technology power management modes, and reliable battery reset and detect features, including: Programmable Low Voltage Detect (PLVD), a Wake-up Reset (WUR) function, software-controlled Brownout Reset (BOR) and an Extended Watchdog Timer (EWDT).
Additional PIC12F635/PIC16F636 Features:
• 8 MHz internal oscillator with software clock switching
• Ultra Low Power Wakeup (ULPW)
• Up to 3.5K bytes of Flash program memory, and up to 256 bytes of EEPROM data memory
• Up to 128 bytes of RAM
• Up to 2 Analog Comparators
Typical Applications:
• Remotely Security Control, including remote keyless entry (RKE) and passive keyless entry (PKE)
• Property and Identity Authentication
• Security Systems – remote sensors and their intercommunication
• Pseudo Random Number Generation, such as electronic toy dice
Application Notes
Passive Keyless Entry Reference Design (APGRD001)
AN959 Using the PIC16F639 MCU for Smart Wireless Applications
TB086 PIC16F635/36/39 Cryptographic Module General Overview
TB088 PIC16F639 Microcontroller Overview
Additional Applications Notes 
What is KEELOQ code-hopping technology - FAQs
KEELOQ Encoders
KEELOQ Decoders
KEELOQ Transcoders
Development Tools
Begin your next design now. Visit Sample.Microchip to request product samples now.
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