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BU21077MUV データシート(PDF) 5 Page - Rohm |
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BU21077MUV データシート(HTML) 5 Page - Rohm |
5 / 16 page 5/12 BU21077MUV TSZ02201-0L5L0F300820-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 14.Jul.2016 Rev.002 www.rohm.com TSZ22111・15・001 Host Interface BU21077MUV has 2-wire serial bus interface. It is compatible with I2C protocol and BU21077MUV is a slave device. Slave address of BU21077MUV is 5Ch (Shown 7-bit). And it supports Standard-mode (100 KHz) and Fast-mode (400 kHz). It has sequential read for reduce access time. S 1-7 8 9 P 1-7 8 9 1-7 8 9 Figure 7. 2-wire Serial Bus Interface Data Format SDA tLOW tHD;STA SCL repeated START condition tHD;DAT tHIGH tHD;STA tSU;STA tSU;DAT tBUF tSU;STO STOP condition START condition START condition Figure 8. 2-wire Serial Bus Interface Timing Chart Parameter Symbol Standard-mode Fast-mode Unit Min Max Min Max SCL Clock Frequency fSCL 0 100 0 400 kHz Hold Time for ( Repeated ) START Condition tHD;STA 4.0 - 0.6 - μs Low Period of SCL tLOW 4.7 - 1.3 - μs High Period of SCL tHIGH 4.0 - 0.6 - μs Data Hold Time tHD;DAT 0.1 3.45 0.1 0.9 μs Data Setup Time tSU;DAT 0.25 - 0.1 - μs Setup Time for Repeated Start Condition tSU;STA 4.7 - 0.6 - μs Setup Time for STOP Condition tSU;STO 4.0 - 0.6 - μs Bus Free Time Between STOP and START Condition tBUF 4.7 - 1.3 - μs SDA SCL START Address ACK Data Data ACK STOP NACK / ACK R/W |
同様の部品番号 - BU21077MUV |
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同様の説明 - BU21077MUV |
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