当GPIO处于output模式,一般选择no pull,引脚能够正确地输出目标值; 当GPIO处于input模式,需要根据默认的输入值来确定配置模式,如果默认输入的值为1时,最好配置为pull up,否则,最好配置为pull down; 当按照上面的规则进行配置之后,则能够避免外部电路没有上拉、下拉电阻时出现的不确定情况。 注意:上拉(pull up)是...
1. 当GPIO处于output模式，⼀般选择no pull，引脚能够正确地输出⽬标值；2. 当GPIO处于input模式，需要根据默认的输⼊值来确定配置模式，如果默认输⼊的值为1时，最好配置为pull up,否则，最好配置为pull down;3. 当按照上⾯的规则进⾏配置之后，则能够避免外部电路没有上拉、下拉电阻时出现的不确定...
pull in pull sb in 1. 拘留(问话) pull sth in/down 1. 赚(大笔钱) pull in (to sth) 1.(火车)进站停靠 2.(车辆或司机)驶向路边(或某 pull at 猛拽,用力拉;深吸,大口地喝 pull it 逃走, 尽快地跑 pull into 驶进进入,驶入;(尤指即将停下来的车辆司机把车停下)开向路边, 开进 pull...
pulldown拆毁,拉倒;使降低 pullin(车)进站;(船)到岸 pullinto进入;到达 pulloff脱(帽等);努力实现 pullon穿上;继续拉(或划) pullout拔出,抽出,挖出 pullthrough使渡过(危险等) pullup(使)停下;拔起(树等) onpurpose为了;故意地 putacross解释清楚;做成(交易) putaside储存,保留 putaway把…收起;储存,...
pullup或pulldown只对对当前无驱动的线wire才会有作用，若有驱动应该按照驱动信号来决定。当线wire为z时，pullup或pulldonw才起作用。
I need a break.hold your horses:等一等;不要着急,耐心一点VOA英语释义:And if someone is pushing you to do something, you can say, “Hold your horses!” This is a very informal way to tell someone to calm down and wait. You would not use it with your boss but you could use it ...
pull one's punches v. 故意不用力打,故意不猛烈 roll with the punches 逆来顺受;避其锋芒 pull in pull sb in 1. 拘留(问话) pull sth in/down 1. 赚(大笔钱) pull in (to sth) 1.(火车)进站停靠 2.(车辆或司机)驶向路边(或某 pull at 猛拽,用力拉;深吸,大口地喝 pull it 逃走,...
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Nogii acknowledges that there are similarities between chin-up and pull-up. However, fundamental differences are the crucial factors that can answer the question which one is better for you. Scroll down and find what you need in this article!
1.pull out 撤离;拔出;渡过难关;恢复健康;飞机进场重新飞起 2.pull something on someone 在…方面欺骗某人 3.pull down 摧毁,推翻;拉下来 4.pull up 拔起;停下来;阻止 5.pull together 齐心协力 6.pull in 进站;吸入;提到警察局 7.pull out of 退出;拉出,取出 ...