NSR Smart Audio Control and GPIO Expansion Solution

NSR is a high-performance single-chip solution that integrates voice synthesis, recording capabilities, and multiple I/O expansions. It features 15 GPIO interfaces and 9 PWM channels, enabling flexible implementation of LED control, button input, and motor drive applications. With built-in 6 touch keys and differential microphone input, along with dual-track audio playback, it delivers a rich human-machine interaction experience. Using standard communication interfaces such as I2C and UART, it can be easily integrated with various MCUs. The solution includes OTA upgrade functionality and is particularly suitable for smart home appliances and industrial control applications.

21. A001_NSR 智能音频控制与GPIO扩展解决方案_EN_2

Solution Features

-	PlayList Tool UI support
-	GPIO for LED/button control
-	PWM for LED/motor drive
-	Differential mic recording
-	Dual-track audio playback
-	Touch wake-up function
-	OTA upgrade support
-	Temperature: -40°C ~ 85°C
-	I²C/ UART/ Two-wire interface

NSR Features

- Voltage: 2.4V ~ 5.5V

- Package: QFN32 (5×5mm²)

- Audio: 876s at 12 KHz

- GPIO: 15 pins

- PWM: 9 channels

- Touch: 6 keys

- Power: 1.0W at 8Ω, 5.5V

系統示意圖

21. A001_NSR 智能音频控制与GPIO扩展解决方案_SC

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NSR Smart Audio Control and GPIO Expansion Solution

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-	Voltage: 2.4V ~ 5.5V
-	Package: QFN32 (5×5mm²)
-	Audio: 876s at 12 KHz
-	GPIO: 15 pins
-	PWM: 9 channels
-	Touch: 6 keys
-	Power: 1.0W at 8Ω, 5.5V