White paper download | New PSoC™ Edge product family – next-generation MCUs supporting machine learning
As one of the core components of electronic products, MCU has gradually occupied an important position in the semiconductor market. Infineon MCU products cover various combinations from simple low-cost to high-performance dedicated full series, integrating excellent performance, connectivity and security functions, and can be widely used in the field of Internet of Things, consumer electronics and industrial equipment applications, etc. Various occasions.
Infineon’s recently launched PSoC™ Edge product series, designed for next-generation responsive computing and control applications, features hardware-assisted machine learning (ML) acceleration, enabling designers to provide devices with unparalleled, highly available user experience.
Autonomous analog signaling system
Enabling low-power audio and voice signal chains
Today, analog MEMS microphones are widely used in audio/voice applications due to their low cost and low power consumption. However, microphones that use analog signal output require external signal conditioning circuitry, sound activity detection circuitry, and analog-to-digital conversion circuitry. In an MCU with an integrated signal chain, sound activity detection and loop start control of the modules that make up the signal chain are usually completed by the CPU. Therefore, the CPU and supporting circuitry (voltage regulators, high-frequency clocks, etc.) need to wake up periodically to perform these functions. This increases overall system power consumption. The need for normally-on, low-power audio signal chains has driven advances in analog signal chain control methods.
PSoC™ Edge devices achieve this improvement through Autonomous Analog. The autonomous analog signal system is a low-power, reconfigurable mixed-signal system that integrates sensing, modulation and response and operates independently of the CPU.
Autonomous analog signaling system
The autonomous analog signal function integrates a programmable operational amplifier (CTB) that can perform various analog front-end functions, as well as DACs, ADCs, comparators, programmable reference blocks (PRBs), and digital post-processors. These modules are controlled by a state machine called an Autonomous Controller that is independent of the CPU. This autonomous controller architecture is built around an easy-to-use programmable state transition table that dynamically configures analog peripherals based on user-defined configurations. This operation requires minimal software overhead. To reduce power consumption, the autonomous controller can run while the device is in deep sleep mode, allowing the system to monitor analog peripherals and collect and preprocess data while consuming only a fraction of the power typically consumed by traditional systems.
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