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平臺
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 preserves the existing YAMON
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 is designed to interact with a second Demonstration
board programmed with the Demo RFD project
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, especially the fiber to the home (FTTH) media converters. The ADM6993F/FX feature set includes link pass through (LPT), TS1000 OAM frame receiving/processing/transmitting, programmable link status LED display, various loop-back modes, and one configurable MII ports for snooping/inserting OAM frame from/to 100Fx. The ADM6993FX is the environmentally friendly “green” package version.
給VC增加多標簽功能,每個打開的文件顯示為一個標簽,可以快速切換文件.安裝后解壓語言文件到安裝目錄,可以實現多語言切換.
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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 the opened windows in the workspace. You can switch
between the windows by simply clicking on the tab.
The tabs have extensive right-click context menus full of useful functions.
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 countdown from n down to 0 on the 7-segment LEDs.
Done light lit when program terminates.
