NUC131 Datasheet PDF - nuvoton


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NUC131
nuvoton

Part Number NUC131
Description 32-BIT MICROCONTROLLER
Page 30 Pages

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NuMicroNUC131 Series Datasheet
NuMicro™ NUC131 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
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NuMicroNUC131 Series Datasheet
TABLE OF CONTENTS
1 GENERAL DESCRIPTION..................................................................................... 7
2 FEATURES ............................................................................................................ 8
3 ABBREVIATIONS ................................................................................................ 11
4 PARTS INFORMATION LIST AND PIN CONFIGURATION................................ 12
4.1 NuMicroMUC131 Series Selection Code .................................................12
4.2 NuMicroNUC131 Series Selection Guide.................................................13
4.3 Pin Configuration................................................................................14
4.3.1 NuMicroNUC131 Pin Diagram .................................................................. 14
4.4 Pin Description ..................................................................................16
4.4.1 NuMicroNUC131 Pin Description............................................................... 16
5 BLOCK DIAGRAM ............................................................................................... 22
5.1 NuMicroNUC131 Block Diagram...........................................................22
6 FUNCTIONAL DESCRIPTION ............................................................................. 23
6.1 ARM® Cortex™-M0 Core......................................................................23
6.2 System Manager ................................................................................25
6.2.1 Overview .............................................................................................. 25
6.2.2 System Reset ........................................................................................ 25
6.2.3 System Power Distribution ......................................................................... 26
6.2.4 System Memory Map ............................................................................... 27
6.2.5 System Timer (SysTick) ............................................................................ 29
6.2.6 Nested Vectored Interrupt Controller (NVIC) .................................................... 30
6.2.7 System Control....................................................................................... 34
6.3 Clock Controller .................................................................................35
6.3.1 Overview .............................................................................................. 35
6.3.2 System Clock and SysTick Clock ................................................................. 36
6.3.3 Power-down Mode Clock ........................................................................... 38
6.3.4 Frequency Divider Output .......................................................................... 39
6.4 Flash Memory Controller (FMC) ..............................................................40
6.4.1 Overview .............................................................................................. 40
6.4.2 Features .............................................................................................. 40
6.5 General Purpose I/O (GPIO) ..................................................................41
6.5.1 Overview .............................................................................................. 41
6.5.2 Features .............................................................................................. 41
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NuMicroNUC131 Series Datasheet
6.6 Timer Controller (TIMER) ......................................................................42
6.6.1 Overview .............................................................................................. 42
6.6.2 Features .............................................................................................. 42
6.7 PWM Generator and Capture Timer (PWM) ................................................43
6.7.1 Overview .............................................................................................. 43
6.7.2 Features .............................................................................................. 43
6.8 Basic PWM Generator and Capture Timer (BPWM) .......................................45
6.8.1 Overview .............................................................................................. 45
6.8.2 Features .............................................................................................. 45
6.9 Watchdog Timer (WDT) ........................................................................47
6.9.1 Overview .............................................................................................. 47
6.9.2 Features .............................................................................................. 47
6.10Window Watchdog Timer (WWDT) ...........................................................48
6.10.1 Overview .............................................................................................. 48
6.10.2 Features .............................................................................................. 48
6.11UART Interface Controller (UART) ...........................................................49
6.11.1 Overview .............................................................................................. 49
6.11.2 Features .............................................................................................. 49
6.12I2C Serial Interface Controller (I2C) ..........................................................50
6.12.1 Overview .............................................................................................. 50
6.12.2 Features .............................................................................................. 50
6.13Serial Peripheral Interface (SPI) ..............................................................51
6.13.1 Overview .............................................................................................. 51
6.13.2 Features .............................................................................................. 51
6.14Controller Area Network (CAN) ...............................................................52
6.14.1 Overview .............................................................................................. 52
6.14.2 Features .............................................................................................. 52
6.15Analog-to-Digital Converter (ADC) ...........................................................53
6.15.1 Overview .............................................................................................. 53
6.15.2 Features .............................................................................................. 53
7 APPLICATION CIRCUIT ...................................................................................... 54
8 ELECTRICAL CHARACTERISTICS .................................................................... 55
8.1 Absolute Maximum Ratings ...................................................................55
8.2 DC Electrical Characteristics ..................................................................56
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NuMicroNUC131 Series Datasheet
8.3 AC Electrical Characteristics ..................................................................60
8.3.1 External 4~24 MHz High Speed Oscillator....................................................... 60
8.3.2 External 4~24 MHz High Speed Crystal.......................................................... 60
8.3.3 Internal 22.1184 MHz High Speed Oscillator .................................................... 61
8.3.4 Internal 10 kHz Low Speed Oscillator ............................................................ 62
8.4 Analog Characteristics .........................................................................63
8.4.1 12-bit SARADC Specification ...................................................................... 63
8.4.2 LDO and Power Management Specification ..................................................... 64
8.4.3 Low Voltage Reset Specification .................................................................. 65
8.4.4 Brown-out Detector Specification ................................................................. 65
8.4.5 Power-on Reset Specification ..................................................................... 65
8.5 Flash DC Electrical Characteristics...........................................................67
8.6 I2C Dynamic Characteristics ..................................................................68
8.7 SPI Dynamic Characteristics ..................................................................69
8.8 I2S Dynamic Characteristics ..................................................................71
9 PACKAGE DIMENSIONS .................................................................................... 73
9.1 64-pin LQFP (7x7x1.4 mm footprint 2.0 mm) ...............................................73
9.2 48-pin LQFP (7x7x1.4 mm footprint 2.0 mm) ...............................................74
10REVISION HISTORY............................................................................................ 75
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