XFS3031CN Chinese Synthesizer Chip is a cost-effective synthesizer chip. It can receive the text for synthesis through UART interface and synthesize it into audio output.
The XFS3031CN is a Chinese voice synthesis chip from iFlytek that receives text via a UART interface and outputs synthesized speech. It supports multiple character encodings and can synthesize up to 199 bytes of text per request.
The datasheet details the chip’s packaging, pinout, control commands, built‑in prompt sounds, power‑down mode, and methods for querying its status, making it suitable for integration into GPS terminals, POS devices, vending machines, and other embedded applications. This manual is written in Chinese.
| Maximum Text Length | 199 bytes per synthesis |
|---|---|
| Communication Interface | UART |
| Power‑Down Mode | Supported |
| Built‑in Prompt Sounds | 7 sound prompts and 30 chord prompts |
| Volume Control | 16 levels |
| Supported Text Encodings | GB2312, GBK, BIG5, Unicode |
The chip uses a UART interface for receiving text and sending data.
It includes 7 sound prompts and 30 chord prompts that can be used for notifications.
Status can be read via hardware pins RDY or RD7, or by sending a software status‑query command frame.