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找到约 157 项符合 TTL 的查询结果

单片机编程 嵌入式CAN模块

嵌入式CAN模块 联系  杨迪 15336417867  0531-55508458 QQ:1347978253  htp://www.easyele.cn CAN (Controller Area Network)即控制器局域网络,属于工业现场总线的范畴。与一般的通信总线相比,CAN总线的数据通信具有突出的可靠性 、实时性和灵活性。嵌入式CAN模块控制器功能强,通信效率高,是公认的稳定可 ...
https://www.eeworm.com/dl/502/30187.html
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单片机编程 PCA9549 Octal bus switch with

The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlledby the I2C-bus. The low ON-state resistance of the switch allows connections to be madewith minimal propagation delay. Any individual A to B channel or combination of channelscan be selected via the I2C-bus, determi ...
https://www.eeworm.com/dl/502/31009.html
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单片机编程 DUAL RS-232 DRIVER RECEIVER WI

The TRS232E is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/RS-232-Fvoltage levels from a single 5-V supply. Each receiver converts TIA/RS-232-F inputs to 5-V TTL/CMOS levels.This receiver has a typical threshold of 1.3 V, a typical hysteresis of 0.5 V, and can a ...
https://www.eeworm.com/dl/502/31044.html
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单片机编程 CHMOS可编程时间间隔定时器芯片82C54

82C54是专为Intel系列微处理机而设计的一种可编程时间间隔定时器/计数器,它是一种通用芯片,在系统软件中可以把多级定时元素当成输入/输出端口中的一个阵列看待。1.  与所有Intel系列兼容2.  操作速度高,与8MHz的8086、80186一起可实现“零等待状态”的操作。3.  可处理从直流到10M频率的输入。4.  ...
https://www.eeworm.com/dl/502/31319.html
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单片机编程 可编程外围接口82C55A

82C55A是高性能,工业标准,并行I/O的LSI外围芯片;提供24条I/O脚线。     在三种主要的操作方式下分组进行程序设计82C88A的几个特点:(1)与所有Intel系列微处理器兼容;(2)有较高的操作速度;(3)24条可编程I/O脚线;(4)底功耗的CHMOS;(5)与TTL兼容;(6)拥有控制字读回功能;(7)拥有直接置位/复位功 ...
https://www.eeworm.com/dl/502/31321.html
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单片机编程 MPC106 PCI Bridge/Memory Contr

In this document, the term Ô60xÕ is used to denote a 32-bit microprocessor from the PowerPC architecture family that conforms to the bus interface of the PowerPC 601ª, PowerPC 603ª, or PowerPC 604 microprocessors. Note that this does not include the PowerPC 602ª microproc ...
https://www.eeworm.com/dl/502/31368.html
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单片机编程 Input Signal Rise and Fall Tim

All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, howeve ...
https://www.eeworm.com/dl/502/31376.html
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单片机编程 介绍C16x系列微控制器的输入信号升降时序图及特性

All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, howeve ...
https://www.eeworm.com/dl/502/31379.html
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单片机编程 并行接口

7.1 并行接口概述并行接口和串行接口的结构示意图并行接口传输速率高,一般不要求固定格式,但不适合长距离数据传输7.2 可编程并行接口芯片82C55     7.2.1  8255的基本功能 8255具有2个独立的8位I/O口(A口和B口)和2个独立的4位I/O(C口上半部和C口下半部),提供TTL兼容的并行接口。作为输入时提供三 ...
https://www.eeworm.com/dl/502/31402.html
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单片机编程 自制ATMEL 89系列FLASH单片机编程器

自制一台ATMEL 89系列FLASH单片机编程器学习单片机最有用的恐怕是编程器和仿真机,一台商品化的编程器至少要几百元,仿真机价格更高,往往让初学者难以选择。这里介绍的一款国外电子网站推出的廉价51编程器,能够读写最常用的12种51单片机,自己动手装配一台,既能锻炼自己的动手能力,又能廉价地装备一台多用编程器,无论是学 ...
https://www.eeworm.com/dl/502/31431.html
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