搜索：Clock
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https://www.eeworm.com/dl/829283.html
技术资料
STM32L053C8T6数据手册
STM32L053C8T6数据手册Features • Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.27 µA Standby mode (2 wakeup pins) – 0.4 µA Stop mode (16 wakeup lines) – 0.8 µA Stop mode + RTC + 8 KB RAM retention – 139 µA/MHz Run mode at ...
https://www.eeworm.com/dl/967908.html
技术资料
Virtex-II Platform FPGAs
Module 1:
Introduction and Overview
7 pages
• Summary of Features
• General Description
• Architecture
• Device/Package Combinations and Maximum I/O
• Ordering Examples
Module 2:
Functional Description
41 pages
• Detailed Description
- Input/Output Blocks (IOBs)
- Digitally ...
https://www.eeworm.com/dl/835547.html
技术资料
vivado约束指导手册
时序路径时序路径由设计中instance之间的连接决定。在数字设计中，时序路径由一对时序元作sequential elements）形成，这对时序元件由一个或二个不同的时钟控制。普通时序路径在任何设计中最普通的时序路径有以下4种：1输入端口到内部时序单元路径2从时序单元到时序单元之间的内部路径3从内部时序单元 ...
https://www.eeworm.com/dl/502/29887.html
单片机编程
AD9859芯片资料
FEATURES400 MSPS internal clock speedIntegrated 10-bit DAC32-bit tuning wordPhase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output)Excellent dynamic performance>75 dB SFDR @ 160 MHz (±100 kHz offset) AOUTSerial I/O control1.8 V power supplySoftware and hardware controlled power- ...
https://www.eeworm.com/dl/648/405697.html
单片机开发
虚拟I2C总线汇编程序软件包 I2C 软件包的底层子程序
虚拟I2C总线汇编程序软件包
I2C 软件包的底层子程序，使用前要定义好SCL和SDA。在标准80C51模式（12 Clock）下,对主频要求是不高于12MHz(1个机器周期1us)若Fosc>12MHz,则要增加相应的NOP指令数。在使用本软件包时，请在你的程序的未尾加入$INCLUDE (VI2C_ASM.ASM)即可。 ...
https://www.eeworm.com/dl/979029.html
技术资料
Specifying the Jitter Performance
The question of sample-clock quality is a perennial one for digital audio equipment designers. Yet most chip makers
provide very little information about the jitter performance of their products. Consequently, equipment designers
sometimes get burnt by jitter issues. The increasi ...
https://www.eeworm.com/dl/502/30990.html
单片机编程
PCA9517 Level translating I2C-
The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also pe ...
https://www.eeworm.com/dl/502/31002.html
单片机编程
PCA9519 4channel level transla
The PCA9519 is a 4-channel level translating I2C-bus/SMBus repeater that enables theprocessor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also p ...
https://www.eeworm.com/dl/564/33749.html
通信网络
XAPP807-封装最小的三态以太网MAC处理引擎
The Tri-Mode Ethernet MAC (TEMAC) UltraController-II module is a minimal footprint,embedded network processing engine based on the PowerPC™ 405 (PPC405) processor coreand the TEMAC core embedded within a Virtex™-4 FX Platform FPGA. The TEMACUltraController-II module ...
https://www.eeworm.com/dl/663/134176.html
VHDL/FPGA/Verilog
减1计数器 一、设计要求 用Verilog HDL语言设计一个计数器。 要求计数器具有异步置位/复位功能
减1计数器 一、设计要求 用Verilog HDL语言设计一个计数器。 要求计数器具有异步置位/复位功能，可以进行自增和自减计数，其计数周期为2^N（N为二进制位数）。 二、设计原理 输入/输出说明： d：异步置数数据输入； q：当前计数器数据输出； clock：时钟脉冲； count_en：计数器计数使能控制（1：计数/ ...