void IIC_Init(void) { //由于STM8單片機，可以在輸入和輸出條件下讀取IO口狀態，故直接設置為輸出。 GPIO_Init(IIC_SCL_PORT, IIC_SCL_PIN, GPIO_MODE_OUT_OD_HIZ_SLOW ); GPIO_Init(IIC_SDA_PORT, IIC_SDA_PIN, GPIO_MODE_OUT_OD_HIZ_SLOW ); IIC_SCL_H; IIC_SDA_H; } //產生IIC起始信號 void IIC_Start(void) { IIC_SDA_H; IIC_SCL_H; Delay_us(); IIC_SDA_L; //START:when CLK is high,DATA change form high to low Delay_us(); IIC_SCL_L; //鉗住I2C總線，準備發送或接收數據 }
上傳時間： 2018-01-10
上傳用戶：m009988
Fire and Fury。 This article is about the 2018 book. For other uses, see Fire and Fury (disambiguation). The title refers to a quote by Trump about the conflict with North Korea. The book became a New York Times number one bestseller.Fire and Fury: Inside the Trump White House is a 2018 book by Michael Wolff which details the behavior of U.S. President Donald Trump and the staff of his 2016 presidential campaign and White House. The book highlights descriptions of Trump's behavior, chaotic interactions among senior White House staff, and derogatory comments about the Trump family by former White House Chief StrategistSteve Bannon. Trump is depicted as being held in low regard by his White House staff, leading Wolff to state that "100% of the people around him" believe Trump is unfit for office.[1] Reviewers generally accepted Wolff's portrait of a dysfunctional Trump administration, but were skeptical of many of the book's most controversial claims.
上傳時間： 2018-02-26
上傳用戶：Yoobaobao
This article is about the 2018 book. For other uses, see Fire and Fury (disambiguation). The title refers to a quote by Trump abot the conflict with North Korea. The book became a New York Times number one bestseller.Fire and Fury: Inside the Trump White House is a 2018 book by Michael Wolff which details the behavior of U.S. President Donald Trump and the staff of his 2016 presidential campaign and White House. The book highlights descriptions of Trump's behavior, chaotic interactions among senior White House staff, and derogatory comments about the Trump family by former White House Chief StrategistSteve Bannon. Trump is depicted as being held in low regard by his White House staff, leading Wolff to state that "100% of the people around him" believe Trump is unfit for office.[1] Reviewers generally accepted Wolff's portrait of a dysfunctional Trump administration, but were skeptical of many of the book's most controversial claims.
上傳時間： 2018-02-26
上傳用戶：Yoobaobao
一中低功耗的FFT設計的結構概述，采用SDF結構，以及對ROM的簡化，使得達到低功耗的目的
標簽： low-power processor pipeline FFT
上傳時間： 2018-03-26
上傳用戶：lpyaking
The 4.0 kbit/s speech codec described in this paper is based on a Frequency Domain Interpolative (FDI) coding technique, which belongs to the class of prototype waveform Interpolation (PWI) coding techniques. The codec also has an integrated voice activity detector (VAD) and a noise reduction capability. The input signal is subjected to LPC analysis and the prediction residual is separated into a slowly evolving waveform (SEW) and a rapidly evolving waveform (REW) components. The SEW magnitude component is quantized using a hierarchical predictive vector quantization approach. The REW magnitude is quantized using a gain and a sub-band based shape. SEW and REW phases are derived at the decoder using a phase model, based on a transmitted measure of voice periodicity. The spectral (LSP) parameters are quantized using a combination of scalar and vector quantizers. The 4.0 kbits/s coder has an algorithmic delay of 60 ms and an estimated floating point complexity of 21.5 MIPS. The performance of this coder has been evaluated using in-house MOS tests under various conditions such as background noise. channel errors, self-tandem. and DTX mode of operation, and has been shown to be statistically equivalent to ITU-T (3.729 8 kbps codec across all conditions tested.
標簽： frequency-domain interpolation performance Design kbit_s speech coder based and of
上傳時間： 2018-04-08
上傳用戶：kilohorse
淋浴器溫度控制調節采用MAT LAB 的附加組件Simulink, 仿真系 統的框圖如圖1 所示。圖中的虛線為模糊控制器, 作為二維模糊控制器機構以水的溫度偏差temp 和 流量偏差f low 為輸入量, 采用模糊推理方法對水 的溫度偏差和流量偏差進行整定, 用來確定冷水閥 門和熱水閥門的開口大小cold 和hot 以便控制冷 熱水的流量, 構成2 輸入2 輸出的一階模糊控制系 統; 模糊推理與去模糊化采用MIN - MAX 法及重 心法, 并用MA TLAB 模糊推理工具箱來編輯模糊 控制器。 圖1
上傳時間： 2018-10-12
上傳用戶：一只蟲蟲
DESCRIPTION The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 μs. The MSP430G2x13 and MSP430G2x53 series are ultra-low-power mixed signal microcontrollers with built-in 16- bit timers, up to 24 I/O capacitive-touch enabled pins, a versatile analog comparator, and built-in communication capability using the universal serial communication interface. In addition the MSP430G2x53 family members have a 10-bit analog-to-digital (A/D) converter. For configuration details see Table 1. Typical applications include low-cost sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system.
上傳時間： 2018-12-25
上傳用戶：ygyh
The SP2526A device is a dual +3.0V to +5.5V USB Supervisory Power Control Switch ideal for self-powered and bus-powered Universal Serial Bus (USB) applications. Each switch has low on-resistance (110mΩ typical) and can supply 500mA minimum. The fault currents are limited to 1.0A typical and the flag output pin for each switch is available to indicate fault conditions to the USB controller. The thermal shutdown feature will prevent damage to the device when subjected to excessive current loads. The undervoltage lockout feature will ensure that the device will remain off unless there is a valid input voltage present.
標簽： High-Side Switch Power Dual USB
上傳時間： 2019-03-06
上傳用戶：bhitr
AEC-Q100 qualified ? 12 V and 24 V battery systems compliance ? 3.3 V and 5 V logic compatible I/O ? 8-channel configurable MOSFET pre-driver – High-side (N-channel and P-channel MOS) – Low-side (N-channel MOS) – H-bridge (up to 2 H-bridge) – Peak & Hold (2 loads) ? Operating battery supply voltage 3.8 V to 36 V ? Operating VDD supply voltage 4.5 V to 5.5 V ? All device pins, except the ground pins, withstand at least 40 V ? Programmable gate charge/discharge currents for improving EMI behavior
標簽： configurable Automotive pre-driver suitable channel systems MOSFET fully High side
上傳時間： 2019-03-27
上傳用戶：guaixiaolong
Description The L9352B is an integrated quad low-side power switch to drive inductive loads like valves used in ABS systems. Two of the four channels are current regulators with current range from 0 mA to 2.25 A. All channels are protected against fail functions. They are monitored by a status output.
標簽： L9352B
上傳時間： 2019-03-27
上傳用戶：guaixiaolong
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