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开关电源 LTC3207,LTC3207-1用户指南
 
The LTC®3207/LTC3207-1 is a 600mA LED/Camera driverwhich illuminates 12 Universal LEDs (ULEDs) and onecamera fl ash LED. The ULEDs are considered universalbecause they may be individually turned on or off, setin general purpose output (GPO) mode, set to blink at aselected on-time and ...
可编程逻辑 Create a 1-Wire Master with Xilinx PicoBlaze
Abstract: Designers who must interface 1-Wire temperature sensors with Xilinx field-programmable gate arrays(FPGAs) can use this reference design to drive a DS28EA00 1-Wire slave device. The downloadable softwarementioned in this document can also be used as a starting point to connect other 1-Wir ...
测试测量 微电脑型RS-485显示电表（24*48mm/48*96mm）
微电脑型RS-485显示电表（24*48mm/48*96mm） 特点： 5位数RS-485显示电表 显示范围-19999-99999位數 通訊协议Modbus RTU模式 宽范围交直流兩用電源設計 尺寸小,穩定性高 主要规格： 显示范围:-19999~99999 digit RS-485传输速度: 19200/9600/4800/2400 selective RS-485通讯位址: "01"-"FF" RS-485通讯协议: Modbus RTU mod ...
测试测量 微电脑型单相交流集合式电表（单相二线系统）
微电脑型单相交流集合式电表（单相二线系统） 特点： 精确度0.25%满刻度±1位数 可同时量测与显示交流电压,電流,頻率,瓦特,(功率因數/視在功率) 交流電壓,電流,瓦特皆為真正有效值(TRMS) 交流電流,瓦特之小數點可任意設定 瓦特單位W或KW可任意設定 CT比可任意設定(1至999) 輸入與輸出絕緣耐压 2仟伏特/1分鐘( 突波測 ...
测试测量 集合式直流电能表（小功率的）
集合式直流电能表（小功率的） 特点： 精确度0.05%满刻度±1位数 可同时量测与显示/直流电压/电流/瓦特（千瓦）/瓦特小时（千瓦小时） 电压输入（DC0-99.99V/0-600.0V）自动变档功能 显示范围0-9999(电流/瓦特/千瓦),0至99999999(八位數瓦特小时)可任意规划 数位RS-485 界面 (Optional) 主要规格： 辅助电源消耗功率 ...
嵌入式Linux The aim of this application note is to show to scan the 4x4 matrix keypad multiplexed with a four
The aim of this application note is to show to scan the 4x4 matrix keypad
multiplexed with a four 7-segment display. The software attached to this application
note scans the pressed key and displays it on the multiplexed 7- segment LEDs.
This application note makes obvious Interrupt capability of ...
嵌入式/单片机编程 his design is the initial design when the board is powered-up. It increments a counter and displays
his design is the initial design when the board is powered-up. It increments a counter and displays the value on the
7-segment displays and LEDs. An image is also displayed on the VGA port.
VHDL/FPGA/Verilog Spartan 3 Digilent Demo:This demo drives the perphrials on the Spartan 3 board. This drives a simple
Spartan 3 Digilent Demo:This demo drives the perphrials on the Spartan 3 board. This drives a simple pattern to the VGA port, connects the switches to the LEDs, buttons to each anode of the seven segment decoder. The seven segment decoder has a simple counter running on it, and when SW0 is in the up ...
DSP编程 VDSP++打开。This directory contains an example ADSP-BF537 RTC project that does a basic blink routine a
VDSP++打开。This directory contains an example ADSP-BF537 RTC project that does a basic blink routine and
then puts the part in deep sleep mode to be woken up from a RTC Stopwatch Event. Once woken up,
the RTC is reconfigured to toggle the EZ KIT LEDs using RTC second, minute, hour, and day interrup ...
嵌入式Linux Linux 2.4.18 s3c2440 led driver 使用dev-C++撰寫
Linux 2.4.18 s3c2440 led driver
使用dev-C++撰寫，需要linux 2.4.18 kernel include，編譯完成後產生led module。
insmod main.o //安裝模組
mknod /dev/leds c 221 0
使用方法：
int main(int argc, char *argv[])
{
int testdev
//led test...
testdev = open("/dev/QuickMarkLed",O_RDWR)
ioctl(testdev, 2 ...