Transcription of NuMicro M051 Series Technical Reference Manual …
1 NuMicro M051 Series Technical Reference Manual ARM Cortex -M0 32-BIT MICROCONTROLLER Publication Release Date: August 25, 2010 - 1 - Revision NuMicro M051 Series Technical Reference Manual NuMicro M051 Series Technical Reference Manual Publication Release Date: August 25, 2010 - 2 - Revision Table of Contents 1 GENERAL DESCRIPTION 5 2 FEATURES 6 3 BLOCK DIAGRAM 9 4 SELECTION TABLE
2 10 5 PIN CONFIGURATION 11 QFN 32 pin 11 LQFP 48 pin 12 Pin Description 13 6 FUNCTIONAL DESCRIPTION 16 ARM Cortex -M0 Core 16
3 System Manager 18 Overview 18 System Reset 18 System Power Distribution 18 Whole System Memory Map 20 Whole System Memory Mapping Table 22 System Manager Controller Registers Map 22 System Timer (SysTick)
4 52 Nested Vectored Interrupt Controller (NVIC) 56 System Controller Registers Map 79 Clock Controller 85 Overview
5 85 Clock Generator Block Diagram 85 System Clock & SysTick Clock 86 AHB Clock Source Select 87 Peripherals Clock Source Select 88 Power Down Mode (Deep Sleep Mode)
6 Clock 89 Frequency Divider Output 90 Clock Controller Registers Map 91 Clock Controller Registers Description 92 General Purpose I/O 113 Overview 113 Port 0-4 Controller Registers Map 115 Port 0-4 Controller Registers Description
7 119 I2C Serial Interface Controller (Master/Slave) 132 Overview 132 I2C Protocol Registers 137 I2C Controller Registers Map
8 140 I2C Controller Registers Description 141 Modes of Operation 149 NuMicro M051 Series Technical Reference Manual Publication Release Date: August 25, 2010 - 3 - Revision Data Transfer Flow in Five Operating Modes 150 PWM Generator and Capture Timer 156 Overview 156 Features
9 157 PWM Block Diagram 158 PWM Function Description 162 PWM Controller Registers Map 169 PWM Controller Registers Description 172 Serial Peripheral Interface (SPI)
10 Controller 196 Overview 196 Features 196 SPI Block Diagram
