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SC18IM700IPW датащи(PDF) 22 Page - NXP Semiconductors |
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SC18IM700IPW датащи(HTML) 22 Page - NXP Semiconductors |
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22 / 22 page ![]() NXP Semiconductors SC18IM700 Master I2C-bus controller with UART interface © NXP B.V. 2007. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 10 August 2007 Document identifier: SC18IM700_2 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. 19. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 Pinning information . . . . . . . . . . . . . . . . . . . . . . 3 6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3 7 Functional description . . . . . . . . . . . . . . . . . . . 4 7.1 UART message format . . . . . . . . . . . . . . . . . . . 4 7.1.1 Write N bytes to slave device . . . . . . . . . . . . . . 4 7.1.2 Read N byte from slave device . . . . . . . . . . . . . 5 7.1.3 Write to 18IM internal register . . . . . . . . . . . . . 5 7.1.4 Read from 18IM internal register . . . . . . . . . . . 6 7.1.5 Write to GPIO port . . . . . . . . . . . . . . . . . . . . . . 6 7.1.6 Read from GPIO port . . . . . . . . . . . . . . . . . . . . 6 7.1.7 Repeated START: read after write . . . . . . . . . . 6 7.1.8 Repeated START: write after write . . . . . . . . . . 7 7.1.9 Power-down mode . . . . . . . . . . . . . . . . . . . . . . 7 8I2C-bus serial interface . . . . . . . . . . . . . . . . . . . 8 9 Internal registers available . . . . . . . . . . . . . . . . 9 9.1 Register summary . . . . . . . . . . . . . . . . . . . . . . 9 9.2 Register descriptions . . . . . . . . . . . . . . . . . . . 10 9.2.1 Baud Rate Generator (BRG) . . . . . . . . . . . . . 10 9.2.2 Programmable port configuration (PortConf1 and PortConf2) . . . . . . . . . . . . . . . 10 9.2.2.1 Quasi-bidirectional output configuration . . . . . 10 9.2.2.2 Input-only configuration . . . . . . . . . . . . . . . . . 11 9.2.2.3 Push-pull output configuration . . . . . . . . . . . . 11 9.2.2.4 Open-drain output configuration . . . . . . . . . . . 12 9.2.3 Programmable I/O pins state register (IOState) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 9.2.4 I2C-bus address register (I2CAdr) . . . . . . . . . 12 9.2.5 I2C-bus clock rates (I2CClk) . . . . . . . . . . . . . . 12 9.2.6 I2C-bus time-out (I2CTO) . . . . . . . . . . . . . . . . 13 9.2.7 I2C-bus status register (I2CStat). . . . . . . . . . . 13 10 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 14 11 Static characteristics. . . . . . . . . . . . . . . . . . . . 15 12 Dynamic characteristics . . . . . . . . . . . . . . . . . 16 13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17 14 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 14.1 Introduction to soldering . . . . . . . . . . . . . . . . . 18 14.2 Wave and reflow soldering . . . . . . . . . . . . . . . 18 14.3 Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 18 14.4 Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 19 15 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 20 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . 20 17 Legal information . . . . . . . . . . . . . . . . . . . . . . 21 17.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 21 17.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 17.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 21 17.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 21 18 Contact information . . . . . . . . . . . . . . . . . . . . 21 19 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 |
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