Development Boards
Boardoza NSP2340T16L VoiceIC Development Board
The Boardoza NSP2340T16L Development Board is a high-performance voice recognition and capacitive touch controller module powered by the Nuvoton NSP2340T16L Voice IC. It is designed for voice-assisted and touch-interactive applications, integrating up to 13 capacitive touch pads and a PWM speaker driver for direct audio output. Equipped with hardware I²C and firmware two-wire interfaces, it communicates seamlessly with host MCUs and supports In-System Programming (ISP) for firmware and voice data updates.

Product Details
Key Features
- Integrated Voice IC: Nuvoton NSP2340T16L for voice assistance and playback applications.
- Capacitive Touch Input: Supports up to 13 capacitive touch pads for interactive control.
- I²C Communication: Hardware and firmware-based two-wire interface for easy MCU integration.
- Direct PWM Audio Output: Drive speakers directly via built-in PWM output stage.
- ISP Support: Update firmware and audio data over I²C with high-speed programming capability.
- Wide Voltage Range: Operates on both 3.3V and 5V, compatible with most microcontrollers.
- Compact Design: Ideal for embedded voice control and sound feedback applications.
Technical Specifications
- Model
- Nuvoton NSP2340T16L Input
- Input Voltage
- 3.3V – 5.5V
- Interface
- I²C / Two-Wire Serial Interface
- Functions
- Voice playback IC with capacitive touch sensing Touch
- Channels
- 13-channel capacitive touch inputs
- Memory
- Embedded Flash (for voice and firmware storage)
- PWM Output
- PWM output for direct speaker drive
- Capability
- Supported (via I²C) Operating
- Operating Temperature
- -40°C ~ +85°C
- Board Dimensions
- 40mm x 100mm
Board Pinout
( J1 ) I²C Communication Header
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power Supply |
| 2 | SCL | I2C Serial Clock Pin |
| 3 | SDA | I2C Serial Data Pin |
| 4 | GND | Ground |
( J2 ) Power Selection Header
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power Supply Voltage Level |
| 2 | SELECT | Power source selection input |
| 3 | 3.3V | 3.3V regulated voltage |
( J3 ) General I/O Header
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | BP02 (I/O) | General input/output pin |
| 2 | INT (O) | Interrupt output to Host MCU |
( J4 ) Speaker Output Header
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | PWM+ | PWM positive output for speaker |
| 2 | PWM- | PWM negative output for speaker |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.


