The C167CRLMHAKXQLA2 from Cypress Semiconductor (now part of Infineon Technologies) is a sophisticated 16-bit microcontroller designed for demanding embedded applications requiring high performance and extensive peripheral integration. This ROMless MCU belongs to the renowned C16xx series and is built around the powerful C166 core processor, operating at speeds up to 25MHz to deliver robust computational capabilities for real-time control systems.
This microcontroller addresses critical design challenges in industrial and automotive applications where external memory flexibility is essential, as its ROMless architecture allows designers to implement custom program memory solutions tailored to specific application requirements. The device integrates 4K x 8 RAM for data storage and features an impressive array of 111 I/O pins, providing exceptional connectivity options for complex system designs. The chip incorporates comprehensive communication interfaces including CANbus for automotive and industrial networking, EBI/EMI for external memory interfacing, SPI for high-speed serial communication, and UART/USART for standard serial protocols, making it highly versatile for multi-protocol environments.
Key specifications include a wide operating temperature range of -40°C to 125°C, making it suitable for harsh environmental conditions, and a supply voltage range of 4.5V to 5.5V for stable operation. The integrated 16-channel 10-bit analog-to-digital converter enables precise analog signal acquisition, while essential peripherals such as Power-On Reset (POR), Pulse Width Modulation (PWM) for motor control and power management, and Watchdog Timer (WDT) for system reliability enhance its functionality. The device comes in a 144-pin P-MQFP (Plastic Metric Quad Flat Pack) surface mount package, facilitating high-density PCB layouts while maintaining excellent thermal performance.
Primary advantages include its flexible ROMless design allowing for external program memory customization, extensive I/O capability for complex interfacing requirements, robust communication protocol support, and industrial-grade temperature tolerance. This microcontroller is particularly well-suited for automotive control systems, industrial automation, motor control applications, building automation, and any embedded system requiring reliable real-time processing with external memory flexibility.
Equivalent and alternative models within the C16xx family include the C167CR with internal ROM, C167CS variants with different memory configurations, and other C166-based microcontrollers from Infineon's extensive portfolio such as the XC167 series offering enhanced features, as well as competitive alternatives from manufacturers like STMicroelectronics' ST10 family and Renesas' M16C series that provide similar 16-bit architecture and peripheral integration for comparable application domains.
C167CRLMHAKXQLA2 Key Technical Attributes
- Core Processor: C166
- Core Size: 16-Bit
- Speed: 25MHz
C167CRLMHAKXQLA2 Packing Size
The C167CRLMHAKXQLA2 comes in a P-MQFP-144-8 (Plastic Metric Quad Flat Pack) package with a total of 144 pins. The package dimensions and body are optimized for surface mount technology, providing secure performance and efficient thermal dissipation. The device is supplied in trays, which is ideal for automated assembly lines.
C167CRLMHAKXQLA2 Application
This microcontroller is extensively used in automotive control systems, industrial automation, communications infrastructure, and embedded control systems where high reliability and robust functionality are essential. The ROMless architecture allows flexible program memory configurations, accommodating code updates and custom firmware in various applications.
C167CRLMHAKXQLA2 Features
The C167CRLMHAKXQLA2 integrates a high-performance C166 16-bit core operating at up to 25MHz, featuring 4K x 8 RAM and a rich set of peripherals such as Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). Connectivity options include integrated CANbus, EBI/EMI, SPI, and UART/USART interfaces, which enable versatile communication capabilities with both legacy and new system designs. The device includes advanced analog support with sixteen 10-bit A/D converter channels, ensuring accurate analog signal processing. The external oscillator provides precision timing with improved stability. With 111 programmable I/Os, the microcontroller supports complex input/output requirements for sophisticated application needs.
C167CRLMHAKXQLA2 Quality and Safety Features
The operating temperature range of -40°C to +125°C ensures that the device performs reliably in both industrial and automotive environments with stringent safety requirements. Integrated Watchdog Timer (WDT) and Power-On Reset (POR) enhance system-level fault tolerance and autonomous recovery from unpredictable reset events. EMI resistance and proven manufacturing standards further reinforce the device’s resilience and long-term reliability.
C167CRLMHAKXQLA2 Compatibility
This device is fully compatible with the entire C16xx family, which makes it easy to integrate into both new and existing platforms. Connectivity options such as CANbus and SPI support seamless interface with a wide spectrum of chips and systems, ensuring broad compatibility for engineers and system designers.
C167CRLMHAKXQLA2 Datasheet PDF
At IC-Components, customers have access to the most authoritative and current datasheet for the C167CRLMHAKXQLA2. For in-depth technical details, reference designs, and programming information, we strongly recommend downloading the official datasheet directly from this page to ensure optimal product selection and integration.
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