CY8C3446AXI-115

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Embedded - Microcontrollers

A microcontroller, such as the CY8C3446AXI-115, is an embedded system-on-chip (SoC) system. It includes a central processing unit (CPU) and memory, as well as supporting multiple peripherals, including analog-to-digital converters (A/D), digital-to-analog converters (D/A) and interfaces. In this article, we will discuss the applications of the CY8C3446AXI-115, as well as its working principles.

Application Field

The CY8C3446AXI-115 is a part of the PSoC(Programmable System-on-Chip) portfolio of microcontroller units. PSoCs combine a large range of peripherals with a CPU and are designed to replace traditional microcontroller-based designs, reducing costs and improving power consumption. Primarily, the CY8C3446AXI-115 is implemented in the development of remote-controlled or autonomous systems, such as toys, robots and vehicles.

Furthermore, the microcontroller finds use in embedded systems where it can manage data streaming and sensor-controlling capabilities over Bluetooth, Wi-Fi and proprietary wireless protocols. This includes multimedia and entertainment equipment as well as industrial, environmental, automotive and healthcare control systems.

Working Principle

The CY8C3446AXI-115 is a 32-bit ARM®Coretx-M0 processor-based microcontroller with Flash and SRAM memory. It provides a total of 81 general-purpose and 16 communications I/Os, with the latter including four independent Pulse Width Modulator (PWM) channels, two I2C or SPI ports, two UARTs, three timer/counters, advanced encryption standard (AES) encryption, a parallel port, two GPIOs and two Pulse Position Modulus (PPM) pins.

The CY8C3446AXI-115 runs at a frequency of up to 150 MHz, with four independent power domains—system power (4.5V to 5.5V), PMIC, Subsystem, and Low-power subsystem domains—with configurable supply voltages and mixed-voltage support. Its four-channel DMA controller (DMA0/1/2/3) provides up to 4 GB/s transfer rate, while the 10 kHz - 50 MHz oscillator provides clock sources for operation.

The CY8C3446AXI-115 also features four 12-bit analog-to-digital converters (ADCs) with high-speed throughput rates up to 536 ksps, eight digital-to-analog converters (DACs) and four load cells. The ADC, as well as the DAC, can also utilize a versatile power-saving standby mode, allowing them to be switched-on and off on demand.

Conclusion

The CY8C3446AXI-115 microcontroller provides the necessary performance and features for many embedded systems and applications. By combining a wide range of peripherals, and four independent power domains, it provides a powerful and flexible platform for developers to use in the creation of their own systems. Furthermore, its ADC and DAC also provide excellent power savings and customizable sampling rates for applications that require precise data acquisition.

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