The C167CSLMCAKXUMA3 from Cypress Semiconductor (now part of Infineon Technologies) is a sophisticated 32-bit microcontroller unit designed for demanding embedded applications requiring robust processing capabilities and extensive peripheral integration. This device belongs to the renowned C16xx series and serves as a powerful solution in the Embedded Microcontrollers category of Integrated Circuits.
At its core, this microcontroller features a 16-bit C166 processor architecture operating at 25MHz, providing substantial computational power for real-time control applications. The device addresses critical design challenges in industrial and automotive environments by offering ROMless program memory architecture, which provides maximum flexibility for external memory configurations and allows designers to customize memory solutions based on specific application requirements. It incorporates 11K x 8 RAM for efficient data handling and temporary storage during operation.
The microcontroller excels in connectivity and peripheral integration, featuring 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. This comprehensive connectivity suite makes it ideal for applications requiring multiple communication interfaces. The device includes 24 channels of 10-bit analog-to-digital conversion, enabling precise analog signal acquisition for sensor interfacing and measurement applications. 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 are integrated on-chip.
Housed in a 144-pin MQFP (Metric Quad Flat Pack) surface-mount package, specifically the P-MQFP-144-8 configuration, the device provides 111 general-purpose I/O pins, offering extensive interfacing capabilities for complex system designs. The wide operating temperature range of -40°C to 125°C ensures reliable performance in harsh industrial and automotive environments. The device operates from a 4.5V to 5.5V supply voltage and requires an external oscillator for clock generation, providing flexibility in frequency selection and stability requirements.
Primary advantages include its high I/O count for complex interfacing needs, integrated CANbus support for automotive-grade communication, extensive ADC channels for multi-sensor applications, and industrial-grade temperature tolerance. The ROMless architecture is particularly beneficial for applications requiring external program memory or frequent code updates. This microcontroller finds primary application in automotive control systems, industrial automation, motor control applications, building automation, process control systems, and embedded systems requiring robust real-time performance with multiple communication protocols.
Equivalent and alternative models within the C16xx family include the C167CR series with integrated ROM/Flash memory, C161 series for cost-optimized applications, and XC167CI series offering enhanced features. Cross-manufacturer alternatives include Infineon's XC2000 family (successor architecture), STMicroelectronics' ST10 family, Renesas' M16C series, and NXP's LPC2000 series ARM-based controllers for applications migrating to ARM architecture while maintaining similar peripheral sets and industrial-grade specifications.
C167CSLMCAKXUMA3 Key Technical Attributes
32-bit Microcontroller, 16-bit Core, 25MHz, 144-Pin MQFP
C167CSLMCAKXUMA3 Packing Size
Package Type: Tray; Case: P-MQFP-144-8, 144-BQFP; Pin Count: 144;
Size: Standard 144-BQFP footprint; Mount: Surface Mount
Operating Temperature
-40°C to 125°C (TA)
C167CSLMCAKXUMA3 Application
The C167CSLMCAKXUMA3 microcontroller from Cypress Semiconductor (Infineon Technologies) is widely used in automotive electronic control units (ECUs), industrial automation, motor control, measurement and instrumentation, and communication infrastructure systems. Its robust temperature range, versatile connectivity options, and high reliability make it ideal for harsh environments and long-life cycle applications.
C167CSLMCAKXUMA3 Features
This microcontroller belongs to the renowned C16xx series, integrating a powerful 16-bit C166 core processor running at 25MHz. It supports 111 general-purpose I/Os, making it ideal for complex control designs. The device provides 11K x 8 RAM for demanding embedded tasks and features a ROMless program memory architecture to support external memory interface (EMI/EBI). Connectivity interfaces include CANbus for high-speed, robust automotive communications; SPI; UART/USART for serial communications, and external bus interface. Peripherals are comprehensive and include power-on reset (POR), pulse width modulation (PWM), and watchdog timer (WDT), enabling greater resilience and system safety. The microcontroller is also equipped with 24-channel 10-bit A/D converters for precise analog signal monitoring and processing requirements. Low-power consumption and a wide operating voltage (4.5V to 5.5V) further enhance versatility.
C167CSLMCAKXUMA3 Quality and Safety Features
The C167CSLMCAKXUMA3 adheres to stringent automotive and industrial grade requirements. Integrated built-in safety features such as a watchdog timer (WDT), power-on reset (POR), and advanced peripheral sets ensure continuous operation under adverse conditions. The extended -40°C to 125°C temperature range and robust design ensure high system reliability and long-term stability, crucial for mission-critical and safety-oriented applications.
C167CSLMCAKXUMA3 Compatibility
This microcontroller is compatible with C16xx series development tools, supporting a wide variety of embedded system designs using external memory configurations. It supports standard surface-mount assembly processes and is suited for both new product development and legacy replacement in systems using the C166 core family. Its versatile I/O and peripheral compatibility facilitate integration with various sensors, actuators, communication modules, and human-machine interfaces.
C167CSLMCAKXUMA3 Datasheet PDF
To ensure you have the most up-to-date and comprehensive technical data on the C167CSLMCAKXUMA3, our website provides the most authoritative datasheet available. We strongly recommend downloading the current product model’s datasheet directly from this page to guarantee you access all the latest electrical, mechanical, and programming information.
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