MINI55LDE Datasheet, PDF (2/74 Pages) List of Unclassifed Manufacturers – 32-bit Microcontroller

Mini55
Table of Contents
1 GENERAL DESCRIPTION .......................................................................7
2 FEATURES .........................................................................................8
3 ABBREVIATIONS ................................................................................ 11
4 PARTS INFORMATION LIST AND PIN CONFIGURATION .............................. 12
4.1 NuMicro^® Mini55 Series Naming Rule.............................................................12
4.2 NuMicro^® Mini55 Series Product Selection Guide ...............................................13
4.3 PIN CONFIGURATION ..............................................................................14
4.3.1 LQFP 48-pin ................................................................................................... 14
4.3.2 QFN 33-pin .................................................................................................... 15
4.4 Pin Description ........................................................................................16
5 BLOCK DIAGRAM ............................................................................... 20
5.1 NuMicro^® Mini55 Block Diagram ...................................................................20
6 Functional Description ........................................................................... 21
6.1 ARM^® Cortex^® -M0 Core..............................................................................21
6.1.1 Overview ....................................................................................................... 21
6.1.2 Features ........................................................................................................ 21
6.2 System Manager ......................................................................................23
6.2.1 Overview ....................................................................................................... 23
6.2.2 System Reset.................................................................................................. 23
6.2.3 Power Modes and Wake-up Sources...................................................................... 29
6.2.4 System Power Architecture ................................................................................. 31
6.2.5 System Memory Mapping ................................................................................... 32
6.2.6 Memory Organization ........................................................................................ 32
6.2.7 System Timer (SysTick) ..................................................................................... 34
6.2.8 Nested Vectored Interrupt Controller (NVIC) ............................................................. 35
6.2.9 System Control Registers (SCB) ........................................................................... 38
6.3 Clock Controller .......................................................................................39
6.3.1 Overview ....................................................................................................... 39
6.3.2 Auto-trim........................................................................................................ 41
6.3.3 System Clock and SysTick Clock .......................................................................... 41
6.3.4 Peripherals Clock Source Selection ....................................................................... 42
6.3.5 Power-down Mode Clock .................................................................................... 43
6.3.6 Frequency Divider Output ................................................................................... 43
Apr 18, 2017
Page 2 of 74
Rev.1.00