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[Other Embeded program] shiz

Description: 本时钟采用8吋笔段式LED高亮度数码管组装而成，显示清晰稳定，双面同时同步显示时分秒。采用低温度系数高精度时钟晶振，每月时间误差不超过12秒。采用4键无线遥控器控制时钟校正和倒计时设定，操作简便。-The clock using T-piece 8-inch high-brightness LED digital tube assembled to show a clear stable, two-sided at the same time synchronization is displayed every minute. By adopting a low temperature coefficient of high-precision clock oscillator, the monthly time error is not more than 12 seconds. 4-button wireless remote control and the countdown clock calibration settings, easy to operate.
Platform: | Size: 3072 | Author: 陆晓东 | Hits:

[SCM] Calibration_of_the_internal_RC_oscillator

Description: 一种校准内部RC振荡器的方法，针对所有带可调（内部）RC振荡器的AVR芯片。除此之外，还提供了一个可以自行修改（参数值）的简单软件（用于校准内部RC振荡器）。这使得AVR芯片可以用AVR开发工具进行校准.-A calibration method of the internal RC oscillator, all with adjustable (internal) RC oscillator of the AVR chip. In addition, also provided a self-modification (parameter values) of the simple software (used to calibrate the internal RC oscillator). AVR which the chip can be calibrated AVR development tools.
Platform: | Size: 139264 | Author: ECN | Hits:

[Com Port] Run_time_calibration_of_the_internal_RC_oscillator

Description: 如何通过UART来校准内部RC振荡器。这种方法是基于LIN协议上使用的方法。-Run-time calibration of the internal RC oscillator (19 pages, revision A, updated 09/04) This application note describes how to calibrate the internal RC oscillator via the UART. The method used is based on the calibration method used in the Local Interconnect Network (LIN) protocol.
Platform: | Size: 548864 | Author: ECN | Hits:

[File Format] AD7799PDF

Description: AD7799/AD7798 特性： RMS 噪声（有效值噪声）： 在 4.13HZ 转换率下紧为 27nV(AD7799). 在 16.7HZ 转换率下为 65Nv. · 低 功 耗 ，典型为 300uA · 内 置 1 一 128 增益的低噪声可编程仪表放大器 · 内 置 时 钟振荡器，省去了外接晶振 · 低 非 线 性度:0.0015 · 内 设 自 校准电路 · 带 有 SPI 数据接口，可以方便地与 DPS 或者 MCU 连接 · 50 H z 和 06Hz 同步陷波，消除 05Hz 和 06Hz 电源干扰 · 可 配 置 3 个差分输人通道 · 21 位 有 效分辨率(PGA=1)，19BIST (PGA=128 工作电源范围 2.7V----5.5V，-40 ° C 至 105 ° C 的温度范围，独立供电接口； 16 脚 的 TSSOP 封装。 应用 电子磅秤 压力测量 应变传感器 血气分析 工业过程控制 仪器仪表 便携式仪表 血液分析 智能-AD7799/AD7798 features: RMS noise (rms noise): in 4.13HZ conversion rates under tight 27nV (AD7799). In 16.7HZ conversion rate for 65Nv. Low power consumption, typical 300uA built-in 1 128 gain low-noise programmable instrumentation amplifier built-in clock oscillator, eliminating the need for an external crystal oscillator Low Nonlinearity: 0.0015 equipped with self-calibration circuitry with SPI data interface, you can easily and DPS or MCU connection 50 H z and 06Hz synchronization notch to eliminate 05Hz and 06Hz power interference 3 differential input channels can be configured 21 effective resolution (PGA = 1), 19BIST (PGA = 128 working power range 2.7V---- 5.5V, a temperature range of-40 C to 105 C, independent power supply interface 16-pin TSSOP package. electronic scales pressure measuring strain sensor blood gas analysis, industrial process control instrumentation portable instrument blood analytic intelligence
Platform: | Size: 610304 | Author: zanjiangfeng | Hits:

[SCM] AD7705

Description: 控制芯片STC90C516RD+ ,AD7705,16位∑－Δ模数转换芯片，调试可用。附有中英文手册。AD7705是完整的16 位AD转换器。若外接晶体振荡器、精密基准源和少量去耦电容, 即可连续进行A D转换。 采用SP I Q SP I兼容的三线串行接口,具有高分辨 率、宽动态范围、自校准、优良的抗噪声性能以及低电压低功耗等特点， 非常适合仪表测量、工业控制等领域的应用。 -The control chip STC90C516RD+, AD7705,16 bit sigma delta analog-to-digital conversion chip, debugging available. With Chinese and English manual. AD7705 is a complete 16 bit AD converter. If the external crystal oscillator, precision reference source and a small amount of decoupling capacitors, you can continue to carry out the D A conversion. The SP SP I Q I is compatible with three wire serial interface with high resolution rate, wide dynamic range, self calibration, excellent anti noise performance and low voltage, low power characteristics, very suitable for the application of instrumentation, industrial control and other fields.
Platform: | Size: 12598272 | Author: 张海蓝 | Hits:

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