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M051BN Datasheet

32-bit Microcontroller

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M051 BN/DN/DE
ARM® Cortex® -M0
32-bit Microcontroller
NuMicro® Family
M051 BN/DN/DE Series
Technical Reference Manual
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 NuMicro 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
Apr. 13, 2015
Page 1 of 431
Rev 1.03




nuvoTon

M051BN Datasheet Preview

M051BN Datasheet

32-bit Microcontroller

No Preview Available !

M051 BN/DN/DE
Table of Contents
1 GENERAL DESCRIPTION··················································································································11
2 FEATURES ···········································································································································12
3 ABBREVIATIONS ································································································································16
3.1 List of Abbreviations ···················································································································16
4 PARTS INFORMATION AND PIN CONFIGURATION ·····································································18
4.1 NuMicro® M051 Series M05xxBN Selection Guide································································18
4.2 NuMicro® M051 Series M05xxDN Selection Guide ·······························································19
4.3 NuMicro® M051 Series M05xxDE Selection Guide································································20
4.4 Pin Diagrams ·······························································································································22
4.4.1 QFN 33-pin···································································································································22
4.4.2 LQFP 48-pin·································································································································23
4.5 Pin Description ····························································································································24
5 BLOCK DIAGRAM·······························································································································27
6 FUNCTIONAL DESCRIPTION············································································································28
6.1 ARM® Cortex® -M0 Core ·············································································································28
6.2 System Manager ·························································································································30
6.2.1 Overview·······································································································································30
6.2.2 System Reset·······························································································································30
6.2.3 System Power Architecture ·······································································································31
6.2.4 System Memory Map··················································································································32
6.2.5 Whole System Memory Mapping ······························································································33
6.2.6 System Manager Controller Register Map ··············································································34
6.2.7 System Timer (SysTick) ·············································································································64
6.2.8 System Timer Control Register Map ························································································64
6.2.9 Nested Vectored Interrupt Controller (NVIC) ··········································································68
6.2.10 System Control Block (SCB) ·································································································109
6.2.11 Register Protection··················································································································117
6.3 Clock Controller·························································································································119
6.3.1 Overview·····································································································································119
6.3.2 System Clock and SysTick Clock ···························································································122
6.3.3 Power-down Mode Clock ·········································································································123
6.3.4 Frequency Divider Output ········································································································123
6.3.5 Register Map······························································································································125
6.3.6 Register Description··················································································································126
6.4 Flash Memory Controller (FMC) ·····························································································144
6.4.1 Overview·····································································································································144
6.4.2 Features······································································································································144
6.4.3 Block Diagram ···························································································································145
6.4.4 FMC Memory Organization······································································································146
6.4.5 Data Flash ··································································································································148
6.4.6 User Configuration ····················································································································149
6.4.7 Boot Selection····························································································································151
6.4.8 In-Application-Programming (IAP) ··························································································152
6.4.9 In-System-Programming (ISP) ································································································153
Apr. 13, 2015
Page 2 of 431
Rev 1.03


Part Number M051BN
Description 32-bit Microcontroller
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