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NuMicro NUC230/240 Datasheet
NuMicro™ NUC230/240 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 NuMicroTM 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
Dec. 30, 2014
Page 1 of 97
Revision 1.01
NuMicro NUC230/240 Datasheet
TABLE OF CONTENTS
LIST OF FIGURES ..................................................................................................... 6
LIST OF TABLES ....................................................................................................... 7
1 GENERAL DESCRIPTION..................................................................................... 8
2 FEATURES ............................................................................................................ 9
2.1 NuMicro NUC230 Features – Automotive Line ............................................ 9
2.2 NuMicro NUC240 Features – Connectivity Line..........................................13
3 ABBREVIATIONS ................................................................................................ 17
4 PARTS INFORMATION LIST AND PIN CONFIGURATION................................ 19
4.1 NuMicro NUC230/240xxxAE Selection Guide ............................................19
4.1.1 NuMicro NUC230 Automotive Line Selection Guide ......................................... 19
4.1.2 NuMicro NUC240 Connectivity Line Selection Guide ........................................ 19
4.2 Pin Configuration................................................................................21
4.2.1 NuMicro NUC230 Pin Diagram .................................................................. 21
4.2.2 NuMicro NUC240 Pin Diagram .................................................................. 24
4.3 Pin Description ..................................................................................27
4.3.1 NuMicro NUC230 Pin Description............................................................... 27
4.3.2 NuMicro NUC240 Pin Description............................................................... 35
5 BLOCK DIAGRAM ............................................................................................... 43
5.1 NuMicro NUC230 Block Diagram...........................................................43
5.2 NuMicro NUC240 Block Diagram...........................................................44
6 FUNCTIONAL DESCRIPTION ............................................................................. 45
6.1 ARM® Cortex™-M0 Core......................................................................45
6.2 System Manager ................................................................................47
6.2.1 Overview .............................................................................................. 47
6.2.2 System Reset ........................................................................................ 47
6.2.3 System Power Distribution ......................................................................... 48
6.2.4 System Memory Map ............................................................................... 50
6.2.5 System Timer (SysTick) ............................................................................ 52
6.2.6 Nested Vectored Interrupt Controller (NVIC) .................................................... 53
6.2.7 System Control....................................................................................... 56
6.3 Clock Controller .................................................................................57
6.3.1 Overview .............................................................................................. 57
6.3.2 System Clock and SysTick Clock ................................................................. 60
Dec. 30, 2014
Page 2 of 97
Revision 1.01
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