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BR24S02FVJ-WE2 Datasheet(PDF) 11 Page - Rohm |
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BR24S02FVJ-WE2 Datasheet(HTML) 11 Page - Rohm |
11 / 41 page Technical Note 11/40 www.rohm.com 2009.09 - Rev.D © 2009 ROHM Co., Ltd. All rights reserved. BR24L□□-W Series,BR24S□□□-W Series ○ Notes on write cycle continuous input *1 BR24L01A-W becomes Don’t care. *2 BR24L04-W, BR24L08-W, and BR24L16-W become (n+15). *3 BR24L32-W and BR24L64-W become (n+31). Fig.41 Page write cycle Note) *1 In BR24L16-W, A2 becomes P2. *2 In BR24L08-W, BR24L16-W, A1 becomes P1. *3 In BR24L04-W, A0 becomes PS, and in BR24L08-W and in BR24L16-W, A0 becomes P0. Fig.42 Difference of each type of slave address ○ Notes on page write cycle List of numbers of page write Number of Pages 8Byte 16Byte 32Byte Product number BR24L01A-W BR24L02-W BR24L04-W BR24L08-W BR24L16-W BR24L32-W BR24L64-W The above numbers are maximum bytes for respective types. Any bytes below these can be written. In the case BR24L02-W, 1 page=8bytes, but the page write cycle write time is 5ms at maximum for 8byte bulk write. It does not stand 5ms at maximum × 8byte=40ms(Max.). W R I T E S T A R T R / W A C K S T O P WORD ADDRESS(n) DATA(n) SDA LINE A C K DATA(n+7) A C K SLAVE ADDRESS 10 0 1A0 A1 A2 WA 7 D0 D7 D0 *1 A C K Note) WA 0 1 1 00 Next command tWR(maximum : 5ms) Command is not accepted for this period. At STOP (stop bit), write starts. *2 *3 S T A R T 1 0 0 1A 0 A1 A2 *1 *2 *3 |
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