M052LDN Datasheet, PDF (2/86 Pages) List of Unclassifed Manufacturers – 32-bit Microcontroller

M051 DN/DE
Table of Contents
1 GENERAL DESCRIPTION····················································································································7
2 FEATURES ·············································································································································8
3 ABBREVIATIONS ································································································································12
3.1 List of Abbreviations ···················································································································12
4 PARTS INFORMATION AND PIN CONFIGURATION ·····································································14
4.1 NuMicro^® M051 Series M05xxDN Selection Guide ·······························································14
4.2 NuMicro^® M051 Series M05xxDE Selection Guide································································15
4.3 Pin Diagrams ·······························································································································17
4.3.1 QFN 33-pin···································································································································17
4.3.2 LQFP 48-pin·································································································································18
4.4 Pin Description ····························································································································19
5 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 Architecture ·······································································································26
6.2.4 System Memory Map··················································································································27
6.2.5 Whole System Memory Mapping ······························································································29
6.2.6 System Timer (SysTick) ·············································································································30
6.2.7 Nested Vectored Interrupt Controller (NVIC) ··········································································31
6.3 Clock Controller···························································································································34
6.3.1 Overview·······································································································································34
6.3.2 System Clock and SysTick Clock ·····························································································37
6.3.3 Power-down Mode Clock ···········································································································38
6.3.4 Frequency Divider Output ··········································································································38
6.4 Flash Memory Controller (FMC) ·······························································································40
6.4.1 Overview·······································································································································40
6.4.2 Features········································································································································40
6.5 External Bus Interface (EBI)······································································································41
6.5.1 Overview·······································································································································41
6.5.2 Features········································································································································41
6.6 General Purpose I/O (GPIO) ·····································································································42
6.6.1 Overview·······································································································································42
6.6.2 Features········································································································································42
6.7 Timer Controller (TMR) ··············································································································43
6.7.1 Overview·······································································································································43
6.7.2 Features········································································································································43
6.8 PWM Generator and Capture Timer (PWM)···········································································44
6.8.1 Overview·······································································································································44
6.8.2 Features········································································································································45
Oct. 05, 2015
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