M032LE3AE datasheet(2/288 Pages) NUVOTON

2 / 288 page

M031/M032

Sep. 29, 2020

Page 2 of 288

Rev 2.02

TABLE OF CONTENTS

1 GENERAL DESCRIPTION ............................................................................ 13

2 FEATURES .................................................................................................... 14

2.1 M031/M032 Features.................................................................................................. 14

3 PARTS INFORMATION ................................................................................. 22

3.1 Package Type .............................................................................................................. 22

3.2 M031/M032 Series Selection Guide......................................................................... 23

3.2.1 M031 Base Series (M031Fx / M031Ex / M031Tx) ....................................................23

3.2.2 M031 Base Series (M031Lx) ........................................................................................24

3.2.3 M031 Base Series (M031Sx)........................................................................................25

3.2.4 M031 Base Series (M031Kx)........................................................................................26

3.2.5 M032 USB Series (M032Fx / M032Ex / M032Tx) .....................................................27

3.2.6 M032 USB Series (M032Lx) .........................................................................................28

3.2.7 M032 USB Series (M032Sx).........................................................................................29

3.2.8 M032 USB Series (M032Kx).........................................................................................30

3.2.9 Naming Rule ...................................................................................................................31

3.3 M031/M032 Series Feature Comparison Table ...................................................... 32

4 PIN CONFIGURATION .................................................................................. 33

4.1 Pin Configuration ......................................................................................................... 33

4.1.1 M031 Series Pin Diagram .............................................................................................33

4.1.2 M031 Series Multi-function Pin Diagram ....................................................................39

4.1.3 M032 Series Pin Diagram ...........................................................................................101

4.1.4 M032 Series Multi-function Pin Diagram ..................................................................107

4.2 Pin Mapping ............................................................................................................... 156

4.3 Pin Function Description .......................................................................................... 161

5 BLOCK DIAGRAM....................................................................................... 167

6 FUNCTIONAL DESCRIPTION..................................................................... 168

6.1 Arm® Cortex®-M0 Core ............................................................................................. 168

6.2 Clock Controller ......................................................................................................... 170

6.2.1 Overview........................................................................................................................170

6.2.2 Clock Generator............................................................................................................172

6.2.3 System Clock and SysTick Clock...............................................................................174

6.2.4 Peripherals Clock .........................................................................................................176

6.2.5 Power-down Mode Clock ............................................................................................176

6.2.6 Clock Output .................................................................................................................177

6.2.7 USB Clock Source........................................................................................................177

6.3 System Manager ....................................................................................................... 179

6.3.1 Overview........................................................................................................................179

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