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nuvoton |
NUC442
ARM® Cortex® -M4
32-bit Microcontroller
NuMicro® Family
NUC442 Series
Datasheet
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based system
design. Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com
June 16, 2016
Page 1 of 228
Rev 1.09
NUC442
TABLE OF CONTENTS
1 GENERAL DESCRIPTION .............................................................. 9
1.1 NuMicro NUC442 General Description.................................................. 9
2 FEATURES .............................................................................. 10
2.1 NuMicro NUC442 Features – Connectivity Series ...................................10
3 ABBREVIATIONS ....................................................................... 17
3.1 Abbreviations .................................................................................17
4 PARTS INFORMATION LIST AND PIN CONFIGURATION ..................... 19
4.1 NuMicro NUC442 Connectivity Series Selection Guide .............................19
4.2 Pin Configuration.............................................................................21
4.2.1 NuMicro NUC442 Pin Diagrams ............................................................... 21
4.3 Pin Description ...............................................................................25
4.3.1 NuMicro NUC442 Package LQFP 64-pin Description ...................................... 25
4.3.2 NuMicro NUC442 Package LQFP 100-pin Description..................................... 36
4.3.3 NuMicro NUC442 Package LQFP 128-pin Description..................................... 56
4.3.4 NuMicro NUC442 Package LQFP 144-pin Description..................................... 80
4.3.5 Summary GPIO Multi-function Pin Description .............................................. 105
4.3.6 Summary Function Pin Description ............................................................ 111
5 BLOCK DIAGRAM .....................................................................133
6 FUNCTIONAL DESCRIPTION.......................................................134
6.1 ARM® Cortex® -M4 Core...................................................................134
6.2 System Manager ...........................................................................137
6.2.1 Overview ........................................................................................... 137
6.2.2 System Reset...................................................................................... 137
6.2.3 System Power Distribution ...................................................................... 138
6.2.4 System Memory Map............................................................................. 139
6.2.5 SRAM Memory Organization ................................................................... 142
6.2.6 System Timer (SysTick) ......................................................................... 145
6.2.7 Nested Vectored Interrupt Controller (NVIC) ................................................. 145
6.3 Clock Controller ............................................................................152
6.3.1 Overview ........................................................................................... 152
6.3.2 System Clock and SysTick Clock .............................................................. 155
6.3.3 Clock Monitor ...................................................................................... 155
6.3.4 Peripherals Clock ................................................................................. 157
June 16, 2016
Page 2 of 228
Rev 1.09
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