欧美极品高清xxxxhd,国产日产欧美最新,无码AV国产东京热AV无码,国产精品人与动性XXX,国产传媒亚洲综合一区二区,四库影院永久国产精品,毛片免费免费高清视频,福利所导航夜趣136

標題: 為什么nrf905一上電DR腳就一直是高電平? [打印本頁]

作者: wxy1214432989    時間: 2016-3-5 21:08
標題: 為什么nrf905一上電DR腳就一直是高電平?
為什么nrf905一上電DR腳就一直是高電平???

作者: mqwu    時間: 2016-5-18 10:39
After the Data Ready (DR) has been set high a valid data packet is available in the RX data register. This
may be clocked out in RX mode or standby mode. After the data has been clocked out through the SPI the
Data Ready (DR) and Address Match (AM) pins are reset to low.
看上面這段話, DR 被置位,有效的數(shù)據(jù)包將在RX數(shù)據(jù)寄存器變?yōu)榭捎玫模?數(shù)據(jù)時鐘輸出在RX模式和待機模式, 顯然一開機DR將被置位





歡迎光臨 (http://www.raoushi.com/bbs/) Powered by Discuz! X3.1