Boardoza
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.

Where to buy?

ÖzdisanDigiKey
Boardoza NSP2340T16L VoiceIC Development Board – 1

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 NumberPin NameDescription
1VCCPower Supply
2SCLI2C Serial Clock Pin
3SDAI2C Serial Data Pin
4GNDGround

( J2 ) Power Selection Header

Pin NumberPin NameDescription
1VCCPower Supply Voltage Level
2SELECTPower source selection input
33.3V3.3V regulated voltage

( J3 ) General I/O Header

Pin NumberPin NameDescription
1BP02 (I/O)General input/output pin
2INT (O)Interrupt output to Host MCU

( J4 ) Speaker Output Header

Pin NumberPin NameDescription
1PWM+PWM positive output for speaker
2PWM-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.

Boardoza NSP2340T16L VoiceIC Development Board | Boardoza