поискавой системы для электроныых деталей |
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BU9847GUL-WE2 датащи(PDF) 3 Page - Rohm |
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BU9847GUL-WE2 датащи(HTML) 3 Page - Rohm |
3 / 19 page Technical Note 3/18 BU9847GUL-W www.rohm.com 2010.09 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. ● Sync data input / output timing SDA tSU:STA tSU:STO tHD:STA START BIT STOP BIT SCL ○ Input read at the rise edge of SCL ○ Data output in sync with the fall of SCL Fig.-1(a) Sync data input / output timing Fig.1-(b) Start – stop bit timing fig.1-(d) WP timing at write execution Fig.1-(e) WP timing at write cancel ○ At write execution, in the area from the DO taken clock rise of the first DATA (1), to tWR, set WP=”LOW” ○ By setting WP “HIGH” in the area, write can be cancelled. When it is set WP=”HIGH” during tWR, write is forcibly ended, and data of address under access is not guaranteed, therefore write it once again. tHIGH:WP WP SDA D1 D0 ACK ACK DATA(1) DATA(n) tWR SCL Fig.1-(c) Write cycle timing SDA (Input) SCL SDA (Output) tHD:STA tHD:DAT tSU:DAT tBUF tPD tDH tLOW tHIGH tR tF SDA D0 ACK tWR SCL Write data (n-th address) Stop condition Start condition SCL SDA WP t HD:WP ストップコンディション t WR D1 D0 ACK ACK DATA(1) DATA(n) tSU:WP stop condition |
Аналогичный номер детали - BU9847GUL-WE2 |
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Аналогичное описание - BU9847GUL-WE2 |
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