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BU21078MUV 数据表(PDF) 6 Page - Rohm |
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BU21078MUV 数据表(HTML) 6 Page - Rohm |
6 / 17 page 6/14 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 ● Timing Charts ●Host interface 2-wire serial bus. Compatible with I2C protocol. Supports slave mode only. Slave Address = 0x5C (BU21072MUV) Slave Address = 0x5D (BU21078MUV) Supports Standard-mode (data transfer rate of 100 kbit/s) and Fast-mode (data transfer rate of 400 kbit/s). Supports sequential read. START SDA SCL STOP Address R/W ACK ACK ACK Data Data Standard-mode Fast-mode Parameter Symbol MIN MAX MIN MAX Unit Hold time (repeated) START condition fSCL 0 100 0 400 kHz LOW period of the SCL clock tHD;STA 4.0 - 0.6 - usec HIGH period of the SCL clock tLOW 4.7 - 1.3 - usec Data hold time tHIGH 4.0 - 0.6 - usec Data set-up time tHD;DAT 0.1 3.45 0.1 0.9 usec Set-up time for a repeated START condition tSU;DAT 0.25 - 0.1 - usec Set-up time for STOP condition tSU;STA 4.7 - 0.6 - usec Bus free time between a STOP and START condition tSU;STO 4.0 - 0.6 - usec Hold time (repeated) START condition tBUF 4.7 - 1.3 - usec Fig.9 2-wire serial bus timing chart Fig.8 2-wire serial bus data format SDA SCL START Address ACK Data Data ACK STOP NACK / ACK R/W |
类似零件编号 - BU21078MUV |
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类似说明 - BU21078MUV |
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