M054ZBN Datasheet, PDF (2/68 Pages) List of Unclassifed Manufacturers – 32-BIT MICROCONTROLLER

NuMicro^™ M052/M054BN Data Sheet
TABLE OF CONTENTS
1 GENERAL DESCRIPTION ···················································································································6
2 FEATURES ············································································································································7
3 BLOCK DIAGRAM ······························································································································11
4 SELECTION TABLE ···························································································································12
5 PIN CONFIGURATION ·······················································································································13
5.1 QFN 33 pin ················································································································································13
5.2 LQFP 48 pin ··············································································································································14
5.3 Pin Description··········································································································································15
6 FUNCTIONAL DESCRIPTION ···········································································································19
6.1 ARM® Cortex™-M0 Core ·······················································································································19
6.2 System Manager ······································································································································21
6.2.1 Overview·······································································································································21
6.2.2 System Reset ······························································································································21
6.2.3 System Power Architecture ·······································································································22
6.2.4 Whole System Memory Map ·····································································································23
6.2.5 Whole System Memory Mapping Table···················································································25
6.2.6 System Timer (SysTick) ·············································································································25
6.2.7 Nested Vectored Interrupt Controller (NVIC) ··········································································27
6.3 Clock Controller ········································································································································28
6.3.1 Overview·······································································································································28
6.3.2 Clock Generator Block Diagram ·······························································································28
6.3.3 System Clock & SysTick Clock ·································································································30
6.3.4 AHB Clock Source Select ··········································································································31
6.3.5 Peripherals Clock Source Select ······························································································32
6.3.6 Power Down Mode (Deep Sleep Mode) Clock ·······································································33
6.3.7 Frequency Divider Output ··········································································································33
6.4 General Purpose I/O ································································································································35
6.4.1 Overview·······································································································································35
6.5 I²C Serial Interface Controller (Master/Slave) ······················································································37
6.5.1 Overview·······································································································································37
6.5.2 Features········································································································································38
6.6 PWM Generator and Capture Timer······································································································39
6.6.1 Overview·······································································································································39
6.6.2 Features········································································································································40
6.7 Serial Peripheral Interface (SPI) ············································································································41
6.7.1 Overview·······································································································································41
6.7.2 Features········································································································································41
6.8 Timer Controller ········································································································································42
6.8.1 Overview·······································································································································42
Publication Release Date: Mar. 19, 2012
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Revision V1.01