This datasheet provides a detailed introduction to the XFS4041CN Chinese speech synthesis chip, including an overview, main application areas, functional features, ordering information, system structure diagram, pin definition, chip control method, communication method, communication protocol, product specifications and other content.
The XFS4041CN is a Chinese speech synthesis chip from iFlytek, offered in a dual‑chip configuration (XFS4041A and XFS4041B). It supports UART and SPI interfaces for text input and can synthesize up to 4 KB of Chinese text per request, with support for multiple character encodings.
The document provides detailed specifications, package information, pin definitions, control commands, power modes, and built‑in prompt sounds, as well as guidance for adding custom audio prompts via SPI flash. This manual is written in Chinese.
| Package XFS4041A | LQFP128, 128 pins, 14 mm × 14 mm × 1.4 mm |
|---|---|
| Package XFS4041B | TQFP48, 48 pins, 7 mm × 7 mm × 1.0 mm |
| Supported interfaces | UART, SPI |
| Power modes | Normal, Power Down, IDLE |
| Supported character sets | GB2312, GBK, BIG5, UNICODE |
The chip supports both UART and SPI data interfaces.
The XFS4041A package has 128 pins.
It can operate in Normal, Power Down, and IDLE modes.