The C167CRLMHAFXUMA2 from Cypress Semiconductor (now part of Infineon Technologies) is a sophisticated 16-bit ROMless microcontroller designed for embedded applications requiring high performance and extensive peripheral integration. This surface-mount integrated circuit belongs to the renowned C16xx series and operates on the powerful C166 core processor architecture, delivering reliable processing capabilities at 25MHz for demanding industrial and automotive control systems.
This microcontroller addresses critical design challenges in applications where external program memory flexibility is essential, as its ROMless architecture allows developers to implement custom memory configurations and easily update firmware without replacing the entire microcontroller. The device features 4K x 8 RAM for data storage and processing, while the 144-pin P-MQFP package provides access to an impressive 111 I/O pins, offering exceptional connectivity options for complex system designs. The compact BQFP-144 footprint balances high pin count with space efficiency, making it suitable for densely populated circuit boards.
Key specifications include an operating voltage range of 4.5V to 5.5V and a wide operating temperature range from -40°C to 85°C, ensuring robust performance in harsh industrial environments. The integrated 16x10-bit analog-to-digital converter enables precise analog signal acquisition, while comprehensive connectivity options including CANbus, EBI/EMI, SPI, and UART/USART interfaces facilitate seamless communication with various peripheral devices and network protocols. Essential peripherals such as Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT) enhance system reliability and control capabilities, while the external oscillator type provides flexibility in clock source selection.
Primary advantages include the ROMless design's adaptability for custom applications, extensive I/O capability for complex interfacing requirements, robust industrial-grade temperature tolerance, and integrated CANbus support ideal for automotive and industrial networking. The device is supplied in convenient Tape & Reel packaging with 2533 units available, facilitating automated assembly processes in high-volume manufacturing environments.
This microcontroller finds primary application in automotive control systems, industrial automation equipment, motor control applications, building automation, process control systems, and any embedded application requiring reliable 16-bit processing with flexible memory architecture and extensive peripheral integration. Equivalent or alternative models within the C16xx family include the C167CR series variants with different memory configurations, the C167CS with integrated ROM, and similar 16-bit microcontrollers from the Infineon XC16x family that offer comparable core architecture and peripheral sets with varying memory options and package configurations.
C167CRLMHAFXUMA2 (1)
C167CRLMHAFXUMA2 Key Technical Attributes
Manufacturer: Cypress Semiconductor (Infineon Technologies)
Main Category: Integrated Circuits (ICs)
Embedded Microcontrollers
C167CRLMHAFXUMA2 Packing Size
This product is packaged in a surface mount format with a package/case type of P-MQFP-144-8, also known as 144-BQFP, and is delivered in Tape & Reel (TR) packing. The P-MQFP-144-8 is a plastic quad flat package featuring 144 pins, allowing high-density connection and robust thermal dissipation, which is suitable for demanding embedded applications. The mounting type is surface mount, facilitating automated PCB assembly. It supports a broad operating temperature range from -40°C to 85°C (TA), making it suitable for industrial environments.
C167CRLMHAFXUMA2 Application
The C167CRLMHAFXUMA2 microcontroller is optimized for sophisticated real-time embedded control systems. Common applications include automotive electronics, industrial automation, networking equipment, and complex control modules requiring CANbus connectivity and advanced peripheral support. The 16-bit core and rich I/O configuration cater to systems needing reliable multitasking and data processing in harsh environments.
C167CRLMHAFXUMA2 Features
The C167CRLMHAFXUMA2 boasts a powerful 16-bit C166 core processor running at up to 25MHz, delivering robust computational performance for embedded tasks. With 4K x 8 RAM, 111 I/O pins enable flexible system integration for a wide variety of hardware interfaces. Advanced connectivity options such as CANbus, EBI/EMI, SPI, and UART/USART ensure seamless communication between modules, supporting both legacy and modern protocols. Integrated peripherals include Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT), enhancing reliability and control capabilities. The device incorporates 16 channels of 10-bit A/D converters, supporting precise sensor input data acquisition. Its external oscillator type allows custom clock solutions for optimized timing and system flexibility. The ROMless architecture enables users to attach external program memory, offering development versatility and scalability. The supply voltage range is 4.5V to 5.5V, providing compatibility with 5V system designs.
C167CRLMHAFXUMA2 Quality and Safety Features
Engineered for industrial robustness, the device's operational temperature range (-40°C to 85°C) ensures reliable center performance in varied environments. Integrated watchdog timer and power-on reset mechanisms safeguard against system hang-ups or erratic start conditions. The package ensures excellent thermal characteristics protecting the device from overheating and ensuring stability during extensive operation. The surface-mount quad flat package enables secure PCB attachment, contributing to mechanical stability and longevity.
C167CRLMHAFXUMA2 Compatibility
This IC is fully compatible with standard development platforms utilizing the C166 architecture series and is suitable for expansion with external memory due to its ROMless configuration. Its comprehensive peripheral set makes it easy to interface with numerous sensors, modules, and actuators found in industrial and automotive settings. The supply voltage and standard interface support facilitate integration into existing systems with minimal redesign effort.
C167CRLMHAFXUMA2 Datasheet PDF
Our website provides the most authoritative and up-to-date datasheet PDF for the C167CRLMHAFXUMA2 product model. We highly recommend customers download the datasheet from the current page to access complete technical specifications, recommended application circuits, pin descriptions, and reference design guidelines for optimal performance and design assurance.
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