The line echo canceller (LEC) is designed to provide the maximum attainable transparent voice quality for
de-echoing of a PSTN or POTS connection in voice-over-LAN systems with internal delays, or on a codec end of a telecom switch,基于TI 54X/55X平台
The preferred technique places the new YAMON in the opposite Flash
bank (the Db1200 boards have two Flash banks), and then changes switch
S11 to swap the Flash banks in the memory map to allow the other Flash
bank to become the boot bank. This technique is the safest and
preferred method since it pr ...
Making a cheap 1M SPI Rom Emulator
8 second to copy from parallel to SPI
re-Program STM Serial Flash M25P10 by reading 29010 parallel ROM
Running on standard 8051 32 I/O, a TTL 7407 as bus switch.
Total programming time is about 8 seconds including Erase, Program
This demonstration shows how a ZigBee coordinator can be set up. This demo allows
the Demonstration Board (PICDEM Z or Explorer 16) to act as either a "Switching Load
Controller" (e.g. a light) or a "Switching Remote Control" (e.g. a switch) as defined by
the Home Controls, Lighting profile. It ...
ADM6993F/FXFiber to Fast Ethernet Converter (TS1000 CPE Complied)
The ADM6993F/FX is a single chip integrating two 10/100 Mbps MDIX TX/FX transceivers, a three-port 10/100M Ethernet L2 switch controller, and one OAM engine to meet demanding applications, including Fiber-to-Ethernet media converters, ...
给VC增加多标签功能,每个打开的文件显示为一个标签,可以快速切换文件.安装后解压语言文件到安装目录,可以实现多语言切换.
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"Window Tabs" (WndTabs) is an add-in for Microsoft Visual C++ v6 family of
products (VC5, VC6, eVC3, eVC4 and Visual Fortran). It adds a docking bar of
tabs reflecting all of t ...
Flex chip implementation
File: UP2FLEX
JTAG jumper settings: down, down, up, up
Input:
Reset - FLEX_PB1
Input n - FLEX_SW switches 1 to 8
Output:
Countdown - two 7-segment LEDs.
Done light - decimal point on Digit1.
Operation:
Setup the binary input n number.
Press the Reset switch.
See the count ...