8051 nop time
PULSE: SETB P1.7 ; set pin 7 on port 1 to logic 1 NOP ; hold logic 1 on pin 7, port ... 1.12 using NOP instructions to produce a square-wave output The cycle time ... ,單晶片指令執行的時間是非常短暫的，單位是以u sec來計算。如果以驅動LED為例，至少閃爍間格要大於200 ms。所以要以一些方式來延遲cpu 執行的時間。
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 8051 nop time 相關參考資料
8051 Instruction Set Manual: NOP - Keil
NOP is typically used to generate a delay in execution or to reserve space in code memory. NOP C AC F0 RS1 RS0 OV P Bytes 1 Cycles 1 Encoding 00000000 ... http://www.keil.com 8051 Microcontroller: An Applications Based Introduction
PULSE: SETB P1.7 ; set pin 7 on port 1 to logic 1 NOP ; hold logic 1 on pin 7, port ... 1.12 using NOP instructions to produce a square-wave output The cycle time ... https://books.google.com.tw 8051時間延遲的計算方式@ Hello Jacky 的部落格:: 痞客邦::
單晶片指令執行的時間是非常短暫的，單位是以u sec來計算。如果以驅動LED為例，至少閃爍間格要大於200 ms。所以要以一些方式來延遲cpu 執行的時間。 http://lee52311.pixnet.net C51: USING NOP IN C - Keil
QUESTION: What is the syntax for using an NOP instruction in C? ANSWER: The C51 Compiler comes with ... Refer to NOP in the 8051 Instruction Set Manual. http://www.keil.com NOP - No Operation - NOP 8051 8052 Microcontroller Instruction Set ...
NOP - No Operation - NOP 8051 / 8052 Microcontroller Instruction Set ... Function: None, waste time. Syntax ... NOP is generally used only for timing purposes. https://www.hobbyprojects.com TIME DELAY FOR VARIOUS 8051 CHIPS
SECTION 3.3: TIME DELAY FOR VARIOUS 8051 CHIPS In the last section we ... therefore, one way to increase the delay is to use NOP instructions in the loop. https://what-when-how.com Time per cycle for 8051 Micro controller - Stack Overflow
It requires to calculate machine cycle. Machine cycle is term that shows time to execute one instruction.( Simple instruction like NOP, that requires only one ... https://stackoverflow.com [轉]計算指令週期| GoMCU
義隆的指令週期(INSTRUCTION PERIOD)可以在專案開始的時候，選擇要花幾 ... 例如：單晶片執行一個 NOP（NOP是屬於一個指令週期的指令）. https://www.gomcu.com 利用printf 來算出delay 1ms 的函數 - 邱小新の單晶片筆記
Posted by: 邱小新 at 下午4:38 in 8051, apps, SDCC. 10 ... 最近又從別人的code 發現，其實在i=CNT 前加入nop 指令可以用來增加準確度到1us 喔，當然nop ... 出來的TH0 都是16bit 的數值，而TL0 卻總是0，time,cnt 算出的值也不對，真是莫明奇怪。 http://jyhshin3.blogspot.com |