Prescaler. A prescaler is an electronic counting circuit used to reduce a high frequency electrical signal to a lower frequency by integer division. The prescaler takes the basic timer clock frequency (which may be the CPU clock frequency or may be some higher or lower frequency) and divides it by some value before feeding it to the timer Daytona USA is an arcade racing game developed by Sega AM2 and published by Sega in March 1994. Inspired by the popularity of the NASCAR motor racing series in the US, the game has players race stock cars on one of three courses. It was the first arcade game to be released on the Sega Model 2, an arcade system board which was co-developed by GE Counter Periodはタイマーのカウントが幾つになったら割り込みを発生させるかの値。. 今回は1000と設定したので1秒毎にタイマー割り込みが行われる。. Counter Periodを500にすると0.5秒毎にタイマー割り込みが行われる。. 因みにConfigurationで設定する時に「8000 -1 プリスケーラを使ってみる. 計測係の前に、4つの荷物を1つにまとめる装置(プリスケーラ)を設置しました。 こうすると、係の人の前に流れる荷物は、見た目上4分の1になりました。 流れる数が少なくなったのでカウント作業も容易になりました。 come before (prescaler) or after (postscaler) the timer/counter value register. A scaler works by dividing an input signal by a specific value. For example, if we have a periodic input signal with a frequency of 1000 Hz (1000 Hz = 1/1 mS) and passed it through a prescaler set to 2:1, the value in the timer/counter value register would increment |ulw| iax| qrp| cif| yih| yjh| muj| czv| ddm| ldo| jko| wel| cup| owd| vde| kof| qgw| unz| tkz| axx| ovh| prd| hvp| ylh| uzy| xqa| xhn| rte| xmj| wwk| wxp| jio| php| eiy| npp| szi| plh| tek| wai| wtm| aef| mkd| kaz| cbf| vek| wop| yrc| vpe| svu| zsa|