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BU21072MUV データシート(PDF) 7 Page - Rohm |
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BU21072MUV データシート(HTML) 7 Page - Rohm |
7 / 17 page 7/14 Datasheet Datasheet BU21072MUV / BU21078MUV TSZ02201-0Y2Y0FZ00020-1-2 © 2012 ROHM Co., Ltd. All rights reserved. 12.Mar.2012 Rev.001 www.rohm.com TSZ22111・15・001 S T A R T W R I T E A C K A C K A C K S T O P S S S S S S S RRR RR RRR W W W W W W W W AA AA AA A A A A AA AA A D D D D D D D D 65 432 10 7 6 5 4 3 210 7 654 32 10 S T A R T W R I T E A C K A C K S T A R T R E A D A C K N A C K S T O P S S S S S S S RRR RR RRR S S S S S S S R RR RR RRR AA AA AA A A A A AA AA A A A A A A AA D D D D D D D D 65 432 10 7 6 5 4 3 210 654 32 10 7 6 5 432 10 S T A R T W R I T E A C K A C K S T A R T R E A D A C K A C K A C K N A C K S T O P S S S S S S S RRR RR RRR S S S S S S S R RR RR RRR R R R R R RRR RR AA AA AA A A A A AA AA A A A A A A AA D D D D D D D D D D D D D D D D D D 65 432 10 7 6 5 4 3 210 654 32 10 7 6 5 432 10 7 0 7 654 32 10 Read Data from Register (Register Address = n+x) Slave Address =0x5C (BU21072MUV) =0x5D (BU21078MUV) Slave Address =0x5C (BU21072MUV) =0x5D (BU21078MUV) Register Address (n) Slave Address =0x5C (BU21072MUV) =0x5D (BU21078MUV) Read Data from Register (Register Address = n) Write Data to Register (Register Address = n) Register Address (n) Read Data from Register (Register Address = n) Slave Address =0x5C (BU21072MUV) =0x5D (BU21078MUV) Slave Address =0x5C (BU21072MUV) =0x5D (BU21078MUV) Register Address (n) ●Scan rate After scan each sensor in time series, MPU convert to the switch operations from the detected results. The number of sensor ports is difference between BU21072MUV and BU21078MUV, but one scan rate is the same. One scan rate is about 16msec at typical. Fig.11 Timing chart of scan rate Fig.10 2-wire serial bus protocol BU21072MUV BU21078MUV ●Sequential Read ●Random Read ●Byte Write SIN9 is nonexistent on BU21078MUV. SIN8 is the same above. SIN13 and SIN14 are nonexistent on BU21072MUV. SIN11 and SIN12 are the same above. SA : Slave Address RA : Register Address RD : Read Data WD : Write Data |
同様の部品番号 - BU21072MUV |
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同様の説明 - BU21072MUV |
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