ATA5749C-6DPY-64 Overview
The ATA5749C-6DPY-64 is a highly integrated 16-bit microcontroller designed specifically for automotive remote keyless entry (RKE) and immobilizer systems. Featuring an advanced low-power architecture, it supports secure communication protocols and offers robust anti-theft protection. With embedded EEPROM and multiple interface options, the device ensures reliable performance in harsh automotive environments. Its low current consumption and integrated transceiver make it ideal for battery-powered applications. For detailed specifications and sourcing information, visit IC Manufacturer.
ATA5749C-6DPY-64 Technical Specifications
| Parameter | Specification |
|---|---|
| Core Architecture | 16-bit RISC |
| Operating Voltage | 2.7 V to 5.5 V |
| Operating Temperature Range | -40??C to +125??C |
| Internal EEPROM | 64 kbit |
| Flash Memory | Not applicable (EEPROM-based) |
| Communication Interfaces | LIN, SPI, UART |
| Low Power Modes | Multiple sleep modes with <10 ??A consumption |
| Integrated RF Transceiver | ASK/OOK modulation support |
| Package | 64-pin LQFP |
| Clock Frequency | Up to 16 MHz |
ATA5749C-6DPY-64 Key Features
- Integrated RF Transceiver: Enables direct ASK/OOK communication, reducing external component count and simplifying remote keyless entry system design.
- Robust 16-bit RISC core: Provides efficient processing power for secure authentication and encryption routines essential in immobilizer applications.
- Low Power Consumption: Multiple low-power modes allow extended battery life, critical for key fob and remote control devices.
- Large Internal EEPROM: 64 kbit of non-volatile memory supports flexible data storage for security keys and system parameters.
- Wide Operating Temperature Range: Ensures reliable operation under automotive environmental conditions from -40??C to +125??C.
- Multiple Communication Interfaces: Supports LIN, SPI, and UART protocols for seamless integration with vehicle networks and diagnostic tools.
- 64-pin LQFP Package: Offers ample I/O pins for complex system integration while maintaining a compact footprint.
ATA5749C-6DPY-64 Advantages vs Typical Alternatives
This microcontroller offers superior integration by combining a low-power 16-bit core with a built-in RF transceiver and ample EEPROM memory, minimizing external components. Its extended operating temperature range and robust communication interfaces provide enhanced reliability and flexibility compared to typical automotive microcontrollers. These features help improve system security, reduce power consumption, and simplify OEM design, making it a preferred choice for keyless entry and immobilizer applications.
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Typical Applications
- Automotive remote keyless entry systems requiring secure, low-power wireless communication and reliable authentication mechanisms for vehicle access control.
- Immobilizer and anti-theft systems that demand embedded secure data storage and efficient processing for encryption algorithms.
- Battery-operated remote controls where long battery life and compact system design are critical.
- Vehicle network nodes interfacing via LIN, SPI, or UART for diagnostic or communication purposes within automotive electronic systems.
ATA5749C-6DPY-64 Brand Info
The ATA5749C-6DPY-64 is produced by a leading semiconductor company specializing in automotive-grade microcontrollers. This product series is recognized for its robust design tailored to meet stringent automotive standards, including extended temperature ranges and high reliability. The device supports advanced security features and integration capabilities, reflecting the brand??s commitment to innovation in automotive electronics and secure vehicle access solutions.
FAQ
What communication protocols does the ATA5749C-6DPY-64 support?
The microcontroller supports multiple communication interfaces including LIN (Local Interconnect Network), SPI (Serial Peripheral Interface), and UART (Universal Asynchronous Receiver/Transmitter). These protocols enable flexible integration with various vehicle networks and external peripherals.
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How does the integrated RF transceiver benefit remote keyless entry systems?
The built-in RF transceiver supports ASK/OOK modulation, allowing direct wireless communication without additional external RF components. This integration reduces system complexity, lowers bill of materials, and helps achieve more compact and energy-efficient remote keyless entry designs.
What is the operating voltage range for this microcontroller?
The device operates reliably within a voltage range of 2.7 V up to 5.5 V, making it compatible with standard automotive battery voltages and ensuring stable operation in varying power conditions commonly found in vehicles.
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Can this microcontroller operate in harsh automotive environments?
Yes, it is qualified for automotive use with an extended temperature range from -40??C to +125??C. This makes it suitable for installation in locations exposed to extreme temperatures and ensures consistent performance throughout the vehicle??s lifecycle.
How does the low power consumption feature impact battery-operated applications?
With multiple low-power modes consuming less than 10 ??A, this microcontroller significantly extends battery life in devices such as key fobs and remote controls. Efficient power management is crucial to maintain long operational periods without frequent battery replacement.
