Key facts
- Manuals
- 3
- Languages
- ZH
- Last added
- 2012-02-15
Featured 飞凌嵌入式 manuals

Feling S3C2440A AC97 Controller Programming Manual
This manual describes the programming model of the AC97 controller unit in the S3C2440A processor. It explains the register map, data paths, and the interaction with an AC97 codec over the AC‑Link interface.
The document also details reset procedures, power‑down and wake‑up sequences, and special registers for controlling PCM and MIC channels. It is intended for developers integrating audio functionality into embedded systems. This manual is written in Chinese.
Covers: Overview · Features · AC97 Controller Operation · AC‑Link Digital Interface Protocol · Power‑Down and Wake‑Up · Special Registers
Feiling OK2 440 Development Board User Manual
The document provides step‑by‑step instructions for operating the Linux system that comes pre‑installed on the OK2 440 development board. It covers booting Linux, setting the board to auto‑start, selecting the file system, switching between mouse and touch screen, transferring files via serial, mounting NFS, SD card and USB drive, using CMOS and USB cameras, setting the system clock, testing audio and network, and using web server, Telnet, FTP, auto‑run and abort functions.
A separate development tutorial section shows how to install Red Hat 9.0, add new users, create a cross‑compilation environment, compile and configure the kernel, build file systems, configure drivers (UART, USB, SD/MMC, camera, LED, RTC), and develop graphical applications with Qt. It also includes examples of GUI programming, threading, and driver experiments. This manual is written in Chinese.
Covers: 预装 Linux 使用说明 · 如何启动 Linux · 设置 Linux 上电自启动 · 文件系统的选择 · 鼠标与触摸屏的切换 · 通过串口与 PC 传送文件
Witech TE2440 Development Board User Manual
The manual introduces the TE2440 development board, an ARM9‑based platform designed by Witech for handheld device projects. It details the board’s six‑layer hardware layout, CPU, memory, interfaces and supported operating systems such as Linux and WINCE.
It also provides step‑by‑step instructions for installing Windows drivers, using the debugging terminal, configuring the bootloader, and performing code debugging with AXD and JTAG tools. This manual is written in Chinese.
Covers: Hardware Overview · Hardware Resources · Hardware Resource Allocation · Interface Description · Supported Operating Systems and Drivers · Basic Board Usage
Latest 飞凌嵌入式 manuals
Feling S3C2440A AC97 Controller Programming Manual
Programming Manual 8 pages · 439 KB · ZHTechnical programming guide for the S3C2440A AC97 controller covering registers, operation modes and power management.
Feiling OK2 440 Development Board User Manual
User Manual 143 pages · 4.2 MB · ZHThis manual explains how to start, configure, and use the pre‑installed Linux system on the Feiling OK2 440 development board.
Witech TE2440 Development Board User Manual
User Manual 64 pages · 2.6 MB · ZHUser manual for the Witech TE2440 ARM9‑based development board, covering hardware overview, driver installation, bootloader and debugging.
Which document do I need?
Programming Manual
Instruction set, parameters and examples for configuring or programming the device.
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in 飞凌嵌入式 manuals
Can the AC97 controller be used together with the IIS controller?
No, the AC97 controller and the IIS controller cannot be used simultaneously.
How is a power‑down request sent to the AC97 codec?
The controller writes to register 0x26 to trigger the codec’s power‑down mode.
How do I set the board to boot Linux automatically after power‑on?
Enter the bootloader menu, select parameter 0 and set its value to 2, then save and reset the board.
How can I transfer files between the board and a PC via the serial port?
Use a super terminal on the PC and the "sz" command (e.g., sz /usr/etc/rc.local) to send files, and the "rz" command to receive them.
What is the hardware warranty period for the TE2440 board?
The hardware warranty is three months, excluding human error or force‑majeure.
Which operating systems are supported on the TE2440 development board?
Linux and WINCE have been successfully ported to the TE2440 board.
