SC18IM700 查看數據表（PDF） - NXP Semiconductors.
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SC18IM700 Datasheet PDF : 24 Pages
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NXP Semiconductors
SC18IM700
Master I2C-bus controller with UART interface
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1 14.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 19
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1 15
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 21
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 16
Revision history . . . . . . . . . . . . . . . . . . . . . . . 21
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2 17
Legal information . . . . . . . . . . . . . . . . . . . . . . 22
4.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2 17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 22
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2 17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3 17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 17.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3 18
Contact information . . . . . . . . . . . . . . . . . . . . 23
7
Functional description . . . . . . . . . . . . . . . . . . . 4 19
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.1.7
7.1.8
7.1.9
UART message format . . . . . . . . . . . . . . . . . . . 4
Write N bytes to slave device . . . . . . . . . . . . . . 4
Read N byte from slave device. . . . . . . . . . . . . 5
Write to 18IM internal register. . . . . . . . . . . . . . 5
Read from 18IM internal register . . . . . . . . . . . 6
Write to GPIO port . . . . . . . . . . . . . . . . . . . . . . 6
Read from GPIO port . . . . . . . . . . . . . . . . . . . . 6
Repeated START: read after write . . . . . . . . . . 6
Repeated START: write after write . . . . . . . . . . 7
Power-down mode . . . . . . . . . . . . . . . . . . . . . . 7
8
I2C-bus serial interface . . . . . . . . . . . . . . . . . . . 8
9
Internal registers available . . . . . . . . . . . . . . . . 9
9.1
9.2
9.2.1
9.2.2
9.2.2.1
9.2.2.2
9.2.2.3
9.2.2.4
9.2.3
9.2.4
9.2.5
9.2.6
9.2.7
Register summary . . . . . . . . . . . . . . . . . . . . . . 9
Register descriptions . . . . . . . . . . . . . . . . . . . 10
Baud Rate Generator (BRG) . . . . . . . . . . . . . 10
Programmable port configuration (PortConf1 and
PortConf2) . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Quasi-bidirectional output configuration . . . . . 10
Input-only configuration . . . . . . . . . . . . . . . . . 11
Push-pull output configuration . . . . . . . . . . . . 11
Open-drain output configuration . . . . . . . . . . . 12
Programmable I/O pins state register (IOState) . .
12
I2C-bus address register (I2CAdr) . . . . . . . . . 12
I2C-bus clock rates (I2CClk) . . . . . . . . . . . . . . 12
I2C-bus time-out (I2CTO) . . . . . . . . . . . . . . . . 13
I2C-bus status register (I2CStat) . . . . . . . . . . . 13
10
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 14
11
Static characteristics. . . . . . . . . . . . . . . . . . . . 15
12
Dynamic characteristics . . . . . . . . . . . . . . . . . 16
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
14
Soldering of SMD packages . . . . . . . . . . . . . . 18
14.1
Introduction to soldering . . . . . . . . . . . . . . . . . 18
14.2
Wave and reflow soldering . . . . . . . . . . . . . . . 18
14.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 18
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP Semiconductors N.V. 2017.
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: 12 October 2017
Document identifier: SC18IM700_3
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